assignment

assignment
assignment

BIS

Introduce:

The model of the Five Competitive Forces was developed by Michael E. Porter in his book …Competitive Strategy: Techniques for Analyzing Industries and Competitors in 1980. Since that time it has become an important tool for analyzing an organizations industry structure in strategic processes. Porters’ model is based on the insight that a corporate strategy should meet the opportunities and threats in the organizations external environment. Especially, competitive strategy should base on and understanding of industry structures and the way they change.

Porter has identified five competitive forces that shape every industry and every market. These forces determine the intensity of competition and hence the profitability and attractiveness of an industry. The objective of corporate strategy should be to modify these competitive forces in a way that improves the position of the organization. Porter’s model supports analysis of the driving forces in an industry. Based on the information derived from the Five Forces Analysis, management

can decide how to influence or to exploit particular characteristics of their industry.

In essence, the job of the strategist is to understand and cope with competition. Often, however, managers define competition too narrowly, as it occurred only among today’s direct competitors, yet competition for profits goes beyond established industry rivals to include four other competitive forces as well: customers, suppliers, potential etchants, and substitute products, the rivalry that result from all five forces defines an industry’s structure and shapes the nature of competitive interaction within an industry.

2 The Five Competitive Forces

The Five Competitive Forces are typically described as follows:

2.1 Bargaining Power of Suppliers

The term 'suppliers' comprises all sources for inputs that are needed in order to provide goods or services. Powerful suppliers capture more of the value for themselves by charging higher prices, limiting quality or service, or shifting costs to industry participants. Powerful suppliers, including suppliers of labor, can squeeze profitability out of an industry that is unable to pass on cost increasing in its own prices. Microsoft, for instance, has contributed to the erosion of profitability among personal computer makers by raisin

prices on operating systems. PC makers, competing fiercely for

customers who can easily switch among them, have limited

freedom to raise their prices accordingly. And the supplier

group does not depend heavily on the industry for its revenues. Suppliers serving many industries will not hesitate. Supplier

bargaining power is likely to be high when:

1 The market is dominated by a few large suppliers rather than

a fragmented source of supply, there can reduce the unnecessary

cost which is often change the supplier. For large supplier,

most part product of raw material in company need large supplier

offer. There will cause lack of sources and Influence

Company’s running and cause huge loss as supplier stops supply

raw material to company suddenly,. Opposite, for fragmented

source of supply, company can choose the other one and do not

influence market share.The supplier’s customers are

fragmented, so their bargaining power is low, so that they can

accept a lot of customers from different place.

2 There are no substitutes for the particular input; the

company takes one product from specific supplier. However it

is also good to company. Because of the suppliers usually do

not change always, thus it provide stead environment for

industry. Once the company choose supplier, company usually make long time cooperation.

3 The switching costs from one supplier to another are high, Sustainable companies usually try to employ strategies that incur some sort of high cost in order to dissuade customers from switching to a competitor's product, brand or services. For example, many cellular phone carriers charge very high cancellation fees for canceling a contract. Cell phone carriers do this in hopes that the costs involved with switching to another carrier will be high enough to prevent their customers from doing so. So if company often changes suppliers easier to increasing the cost. And once the customers reliable one brand. Customers will used to use that brand. Therefore, company maybe loss the customers if company often changes suppliers.

4 There is the possibility of the supplier integrating forwards in order to obtain higher prices and margins. This threat is especially high Such as Food Street, Student Street and shopping center. There can bring quit profit and attract a lot of customers to buy. One threat is existed too. Because

of supplier integrating also bring competition of business. It

is very possible be loser and cause shop closed down or the product of company attract many customers and make big profit.

5 The buying industry has a higher profitability than the supplying industry, the buying industry hinders the supplying industry in their development (e.g. reluctance to accept new releases of products), and the buying industry has low barriers

to entry.

In such situations, the buying industry often faces a high pressure on margins from their suppliers. The relationship to powerful suppliers can potentially reduce strategic options

for the organization.

2.2 Bargaining Power of Customers

《Similarly, the bargaining power of customers determines how much customers can impose pressure on margins and volumes. The power of buyers is the impact that customers have on a producing industry. In general, when buyer power is strong, the relationship to the producing industry is near to what an economist terms a monophony - a market in which there are many suppliers and one buyer. Under such market conditions, the

buyer sets the price. In reality few pure monopolies exist, but frequently there is some asymmetry between a producing industry and buyers. The following tables outline some factors that determine buyer power. Powerful customers can capture more value by forcing down prices. As with suppliers, there may be distinct groups of customers who differ in bargaining power.

A customer group has negotiating leverage if: there are few buyers, or each one purchases in volumes that are large relative to the size of a single vendor. Large-volume buyers are particularly powerful in industries with high fixed costs, such as telecommunications equipment, offshore drilling, and bulk chemicals. High fixed costs and low marginal costs amplify the pressure on rivals to keep capacity filled through discounting》Customers bargaining power is likely to be high when

1They buy large volumes; there is a concentration of buyers, as it has large volumes or manufacturing can

reduce the cost and make profit. The supplying industry

comprises a large number of small operators. Every part

does its specific work in order to make bigger

efficiency.

2 The product is undifferentiated and can be replaces by substitutes, for example. Customers can choose the same goods however different price on the internet so as to buy the value goods.

3 Switching to an alternative product is relatively simple and is not related to high costs, Customers can accord income, life-cycle style etc. to changing product easily. Consumer can choose product which is whatever consumers want. One major reason is there is not related to high cost and convenience and easy to satisfaction people’s value. People’s propensity direct influence people choose. Consumer will choose the alternative all the time when consumer don not like this kind of product any more, and choose the product which is different from before maybe influenced by peer group as well

4 The product is not of strategically importance for the customer.For example, when people buy shampoo and soap, they will buy directly and quickly or choose closed place to purchasing rather than to know the detail information.

5 The customer knows about the production costs of the product. People can easy know the how much the price about

between luxury and inferior. Customers have low margins and are price-sensitive.

6 There is the possibility for the customer integrating backwards.

.

《The industry’s products’ are standardized or undifferentiated. If buyers believe they can always find an equivalent product, they trend to play one vendor against another.

Buyers face few switching costs in changing vendors

Buyers can credibly threaten to integrate backward and the industry’s them elves if vendors are too profitable. Producers of soft drinks and beer have long controlled the power of packaging manufactures by threatening to make, and times actually making, packaging materials themselves.

A buyer group is price sensitive if: the product if purchases from the industry represent a significant fraction of its cost structure or procurement budget, here buyers are likely to shop

around and bargain hard, as consumers do for home mortgages. Where product sold by an industry is a small fraction of buy’s costs or expenditures, buyers are usually less price sensitive The buyers group earns low profits, is strapped for cash, or is otherwise under pressure to trim its purchasing costs. Highly profitable or cash-rich customers, in contrast, are generally less price sensitive.

The quality of buyers’products or services is little affected by the industry’s product. Where quality is very much affected by the industry’s product, buyers are generally less price sensitive. When purchasing or renting production quality cameras, for instance, makers of major motion pictures opt for highly reliable equipment with the latest features, they pay limited attention to price.

The industry’s product has little effect on the buyer’s other costs. Here buyer’s focus on price. They though improving or reducing labor, material, or other costs, buyers are usually more interested in quality than in price. Examples include services like tax accounting or well logging that can save or even make the buyer money. Similarly, buyers tend to not to be

price sensitive in services such as investment banking, where poor performance can be costly and embarrassing.》

2.3 Threat of New Entrants

《The competition in an industry will be the higher; the easier it is for other companies to enter this industry. In such a situation, new entrants could change major determinants of the market environment (e.g. market shares, prices, customer loyalty) at any time. There is always a latent pressure for reaction and adjustment for existing players in this industry. The threat of new entries will depend on the extent to which there are barriers to entry. These are typically》

1 Economies of scale (minimum size requirements for profitable operations), for example: different country has different laws. As an industry, company must know at local is weather allowed to do. At the same time, company should pay more attention how much the government attention to industry. How much government support to this industry. So that chooses good industry to development.

2 High initial investments and fixed costs, as set

up a new company need a lot of capital to running the

company and quite part of cash to buy equipment and

facilities.

3Brand loyalty of customers

Some customer will quick believe the product they used before or depend on mass customer like. Features, quality, performances of product are also influences loyalty of customers. For example, people will pay more money buy touch screen of Iphone4 rather than to buy touch screen of Nokia.

5 Protected intellectual property like patents,

licenses etc, similarly, people will buy famous brand such as Nokia, iphone and so on but not buying Novae or high copy iphone.

6 Scarcity of important resources, e.g. qualified expert staff. The company cannot predict future accurately so that Causes Company does wrongly. Therefore, Access to raw materials and distribution channels are controlled by existing players,

7 High switching costs for customers. Because company needs training new employer skill or new customers cannot do job very fast that because no efficiency and influence normal produce. In the other word, use more money, do the worse job. It is bed for company.

8 Legislation and government action. For new industry, law in local is a major reason to how to raining company. The company must know what the company can do or not.For example: the most important legislative acts on taxation to be enacted 《in 2011 were publicized. They will not introduce any significant changes for business but some positive effect will be achieved for sure: many provisions will reduce the tax burden on businesses.With the growth and expansion of towns and cities the local government and state governments have generated a proliferation of new rules, laws, and regulations of their own. All of this must be taken into consideration when choosing a plant or business location. Tariff and government are deep influence the business can be a threat of entrant. For example, t he United Steelworkers union [in Canada] wants provincial governments to lobby Ottawa to protect the country's steel industry now that federal officials have decided against penalizing low-cost imports A spokesperson for Finance

Minister John Manley confirmed yesterday that the government had decided against imposing tariffs on steel imports" 》

2.4 Threat of Substitutes

《In Porter's model, substitute products refer to products in other industries. To the economist, a threat of substitutes exists when a product's demand is affected by the price change of a substitute product. A product's price elasticity is affected by substitute products - as more substitutes become available, the demand becomes more elastic since customers have more alternatives. A close substitute product constrains the ability of firms in an industry to raise prices. Threat from substitutes exists if there are alternative products with lower prices of better performance parameters for the same purpose. They could potentially attract a significant proportion of market volume and hence reduce the potential sales volume for existing players. This category also relates to complementary products.The competition engendered by a Threat of Substitute comes from products outside the industry. The price of aluminum beverage cans is constrained by the price of glass bottles, steel cans, and plastic containers. These containers are

substitutes, yet they are not rivals in the aluminum can industry. To the manufacturer of automobile tires, tire retreads are a substitute》

Similarly to the threat of new entrants, the threat of substitutes is determined by factors like

1 Brand loyalty of customers,Brand Loyalty refers to the consumer's conscious,consumer will used to use a kink of brand. However, in today's highly competitive environments, improving consumers' loyalty to brands permits marketers to maintain a comfortable and lasting position in the multimarket. Consumers will influenced by peer group to change the product which is used to use. Thus, there will be threat of substitutes.

2 Switching costs for customers, customer may pay a lot of money more to change normal used product as people use a new product, for example:a people used to use DIOR, when people want change to use CHANEL. Consumers need buy liquid makeup and sun screen one times.

3 The relative price for performance of substitutes, substitute is goods which are can be used with the same functions compare to goods of substitute. When consumer thinks

the product with the same function, consumer will compare price of substitute and choose the chapter one. So once the company does not do enough research, company will lose of consumers when substitute goods existing.

4 Current trends. Nowadays, people trend to buy the product which is convenience or nearly of home. So, some consumer would buy more expensive goods rather than buy cheaper goods because of distance. However, some customers may used to buy specific product consistency, even if the products have substitute. But part of people will choose others products when people find out the product consumers choose is not good. This is also trend. People like choose better goods as the goods have similarly price and performance.

Conclusion:

Porter five forces are defined as bargaining power of customers, bargaining power of suppliers, threat of substitute products, threat of new entrants and competitive rivalry within an industry. Porter five forces refer to micro-environment and macro-environment in business. Analysis relationship between suppliers and customers and how to deal with the threat of substitute product and threat of new entrants so as to let

company running usefully.

Recommendation:

Firstly, in order to better analysis industries and Competitors. As the company cooperates with suppliers, the company must provide good service and product to set up a good brand. Secondly, do some researches in the market in order to know how much government pay attention to industry and law in local to make sure require supporting of government so that reduce potential threat. Company had better to know the environment of scale and substitute. Then the company can local a good position to attract customers and avoid threat that substitute may bring.

Summary:

父亲高原阅读答案

篇一:父亲高原阅读答案 篇二:父亲高原阅读答案 然而,我爱父亲。每次一进村,老远就看见他噙着烟锅蹲在门前。我对父亲的爱和敬意是无法说出来的,只能深深地叫一声“爸”。父亲的脸略露出一丝笑意,算是回答。 父亲把希望全凝注在我身上。每当他看见儿子背着书包,摸着课本回来,那满是皱纹的脸上便挂满了笑意。 我的眼睛湿润了,知道这钱来之不易。 父亲似乎要笑,却又掏出烟锅“吧嗒”了几下说:“穿上吧,娃。 父亲常来学校。 父亲望着儿子,似乎要说许多话,最后仅仅说:“爸又来了。”他解开纽扣,从口袋深处摸出一个粗布缝的钱包,从里面翻出几张纸币递给我。 放假后,我一进门,父亲拿起我的奖状左看右看,喜滋滋地吸着烟锅。父亲已经很久不再喝茶了。回家的时候,我特意称了一包茶叶,却惹他生了那么大的气。 我吓坏了,连忙解释:“爸,这钱是您给我的,我没有舍得花,省了一点才……” 父亲忽然怔住了,嘴角抽动了好几下,眼睛呆滞地盯着我。 父亲老了,由于过度的劳累和负担,他的脸上长满了胡子,背也明显地弯了,每次下地回来就咳嗽个不停。自从我上了高三,父亲便不让我回家。 ________ 2.文中两次写父亲“蹲在门前,目光凝视着远方……”写法上有什么不同?从这目光中你看到了什么? ________ ________ 4.文中写父亲给我试衣服一处属什么描写?表明父亲怎样的心理?这时为什么我却没吐出一个字? ________

________ 6.做儿女的给父母买点东西,一般来讲,父母都很高兴,夸孩子懂事,孝敬老人,可当“我”把一包茶叶带给父亲时,为什么惹他生了很大的气,脸上蒙上了失望和悲伤? ________ 7.父亲是怎样的一个人?(归纳人物的性格特点) ________ 8.本文的思想内容及表现手法和我们学过的哪篇文章类似? ________ 1.这是欲扬先抑的写法。 2.前者是实写,后者是虚写。从父亲凝视的目光中看到父亲丰富的内心世界和希望。他爱儿子,希望儿子学业有成。 3.因为父亲把希望全倾注在我身上,虽然肩负沉重的生活重担,却含辛茹苦地供“我”读书,希望我有出息,他把作业看成辛勤劳动的成果,因此当成作品一样地细细鉴赏。 4.此处是细节描写。写出父亲爱儿子,怕到城里被人瞧不起,以防孩子心灵受伤害,影响学习的复杂心理。 5.①“穿上吧,娃……要好好地学习哟!”写父亲担心别人笑 话“我”穷;怕我嫌衣服不好;勉励我用心读书。②“爸又来了”。话虽简单,却似千言万语,饱含父亲对儿子的无限思念与挂牵。③“瞎闹,这娃从城里耍坏了,不知道珍惜钱。 7.父亲是一个淳朴的农民,极普通而又不平凡,他望子成龙,竭力相助而又背负生活的重担。 8.《背影》 来源:2011-2012学年山西省太原市毕业班综合测试语文试卷(一)(解析版) 题型:现代文阅读 阅读小说.完成小题. 迟到的善果 张鸣跃 这天.老根出门拾满了一袋子饮料瓶回家.天已经黑了.走进胡同口.听见里面有女孩哭喊救命.他折身就走出胡同.绕道回家.他觉得这条胡同简直就是他的灾根.20年前就是这里面一声救命让他一头扎入灾难! 回到家.老根发现儿子不在家里.早就放学了.怎么回事?等了好久.有电话打来:“你是老根吗?你儿子小三受伤了.现在二院-- 老根呼地站起.说该来始终于来了.就往二院跑. 到二院.进病房.儿子还在打点滴.身上缠着绷带.伤得不轻.儿子看见他.挣扎着说:“爹.你别着急.没事-- 老根问医生咋回事.医生说:“警察送来的.您老先回家拿住院费吧.先拿五千-- 老根心里一紧.问儿子:“打架?

chapter3-assignment

第三章 线性分组码 习题 1.证明[n ,k ]线性分组码的最大距离为n -k +1。 2.设一个[7,4]码的生成矩阵为 1000111010010100100110 00111 0G ????? ?=?????? (1)求出该码的全部码矢; (2)求出该码的一致校验矩阵; (3)作出该码的标准阵译码表。 3.证明定理3.1.3。 4.一个[8,4]系统码,它的一致校验方程为: c 0=m 1+m 2+m 3c 1=m 0+m 1+m 2c 2=m 0+m 1+m 2c 3=m 0+m 2+m 3 式中,m 0,m 1,m 2,m 3是信息位,c 0,c 1,c 2,c 3是校验位。找出该码的G 和H ,并证明该码的最小距离为4。 5.构造第4题中码的对偶码。 6.设H 1是[n ,k ]线性分组码C 1的校验矩阵,且有奇数最小距离为d 。作一个新的码C 2,它的校 验矩阵为 12000111 1H H ?? ????? ?=???????? M L (1)证明C 2是一个(n +1,k )分组码; (2)证明C 2中每一码字的重量为偶数; (3)证明C 2码的最小重量为d +1。 7.设C 1是一个有最小距离为d 1的[n 1,k ]线性系统码,生成矩阵为G 1=[P 1I k ]。C 2是一个有最小距离为d 2的[n ,k ]线性系统码,它的生成矩阵G 2=[P 2I k ]。对满足下述一致校验矩阵 212T k n n k T p H I P I ???? ? ?=??????

的[n 1+n 2,k]线性码,证明它有最小距离至少为d 1+d 2。 8.设一个二进制[n ,k ]码C 的G 矩阵不含全零列,将C 的所有码字排成2k ×n 的阵。 证明: (a )阵中不含有全零列; (b )阵中的每一列由2k -1个零和2k -1个1组成; (c )在一特定分量上为0的所有码字构成C 的一个子空间,问该子空间的维数是多少? 9.令是所有二进制[n ,k ]线性系统码的集合。证明非零二进制n 重V 或者恰巧含于的 ΓΓ(1)()2k n k ??个码中,或者不在的任一码中。 Γ10.证明二进制[23,12,7]Golay 码和三进制的[11,6,5]Golay 码是完备码。 11.若d 是码C 的最小重量,且为偶数,(1)/2t d =????? 。证明有两个重量均为t +1的矢量必在C 码的同一陪集中。 12.求出d =3,至多只有3个校验元的二进制码的码长n ;和d =5,至多只有8个校验元的二进 制码的码长n 。 13.计算二进制[24,12,8]扩张Golay 码的覆盖半径,及[8,4]RM 码的覆盖半径。 14.证明定理3.9.3。 15.构造三个二进制的[10,3,5]LUEP 码,其分离矢量分别为(8,2,2),(7,4,4), (6,4,4)。写出它们标准形式的G 和系统码形式的G 。 16.证明定理3.10.3。 17.构造一个具有最高码率的k =10,t =2的2-EC/AUED 码。 18.证明定理3.10.6。

五大工程塑料之PBT材料的用途

五大工程塑料之PBT材料的用途 PBT,工程塑料 PBT是五大通用工程塑料之一,由于PBT具有耐热性、耐候性、耐药品性,电气特性佳,吸水性小,光泽良好,通过改性满足不同塑料制品的要求,广泛应用于电子电器、汽车零件、机械、家用品等领域,用途非常广。 一、连接器 二、 三、连接器是信号间的桥梁,是传递电子讯号及电源连接所不可或缺组件,PBT均衡的物性与价格正符合连接器的需要。PBT通常添加30%玻璃纤维掺混作为连接器,PBT因机械性质、耐溶剂性、成形加工性佳且价格低而广泛被采用。 二、散热风扇 PBT的第二大用途是使用在散热风扇,散热风扇是置于机器内长时间旋转以帮助散热,对塑料物性要求有耐热、难燃、绝缘性及机械强度,PBT通常以加纤30%的形式应用作为散热风扇之外框及扇叶线圈轴。 三、线圈轴 PBT的第三用途是作为变压器、继电器内的线圈轴,一般以PBT加纤30%射出成形。线圈轴要求的物性包括绝缘性、耐热性、耐焊钖性、流动性、强度等,适用材料有酚醛树脂、PBT、PA6、PET。酚醛树脂的性质都不错,但其成型性不及PBT,因此尺寸小,形状复杂的产品都采用PBT树脂,虽PBT焊钖耐热性差,但其环保意识较高的欧美日等国,有增加采用可回收PBT之趋势。 四、汽车部件 PBT还广泛应用于汽车领域,通常和PC共混形成合金用于汽车部件,汽车保险杠就常用PC/PBT。此外,PBT亦可用于车窗马达外壳,机车马达零件,汽车传动器齿轮盒等。 聚赛龙PBT材料应用一览表:

品名典型牌号特性应用 增强 PBT SR3112B35%玻纤耐水解汽车接插件产品 PBT115015%玻纤 家电产品配件、工业产品零件、建材PBT130030%玻纤 PBT140040%玻纤 阻燃 PBT PBTFG430-H15高流动,15%玻纤,阻燃级有阻燃要求的家用电器产品,电子及电器产品 等 PBTFG430-H30高流动,30%玻纤,阻燃级 PBT-FG72525%玻纤,红磷阻燃级用于连接器、变压器骨架等 PBT-FG73535%玻纤,红磷阻燃级用于接插件、线圈骨架及结构件产品 PBT-FG41515%玻纤,阻燃级 连接器、冷却风扇、插座、电视机零件、线圈 轴、开关等。 PBTFG43030%玻纤,阻燃级 PBTFG430-SGC 30%玻纤,阻燃V0,GWIT:750℃, GWFI:960℃,CTI:350V PBTFG431-SGC15 15%玻纤,阻燃V0,GWIT:750℃, GWFI:960℃,CTI:350V PBT-GW3300 30%玻纤,阻燃V0,5VA,GWIT: 750℃,GWFI:960℃ PBT-FR2300G1515%玻纤,无卤阻燃V0 PBT-FR2300G3030%玻纤,无卤阻燃V0

父爱昼夜无眠阅读答案修订稿

父爱昼夜无眠阅读答案集团文件发布号:(9816-UATWW-MWUB-WUNN-INNUL-DQQTY-

父爱昼夜无眠阅读答案 父爱昼夜无眠 父亲最近总是萎靡不振,大白天躺在床上鼾声如雷,新买的房子如音箱一般把他的声音“扩”得气壮山河,很是影响我的睡眠——我是一名昼伏夜“出”的自由撰稿人,并且患有神经衰弱的职业病。我提出要带父亲去医院看看,他这个年龄嗜睡,没准就是老年痴呆症的前兆。父亲不肯,说他没病。再三动员失败后,我有点恼火地说,那你能不能不打鼾,我多少天没睡过安稳觉了!一言既出,顿觉野蛮和“忤逆”,我怎么能用这种口气跟父亲说话?父亲的脸在那一刻像遭了寒霜的柿子,红得即将崩(kuì),但他终于什么话也没说。 第二天,我睡到下午4点才醒来,难得如此“一气呵成”。突然想起父亲的鼾声,推开他的房门,原来他不在。不定到哪儿玩麻将去了,我一直鼓励他出去多交朋友。看来,虽然我的话冲撞了父亲,但他还是理解我的,这就对了。父亲在农村穷了一辈子,我把他接到城里来和我一起生活,没让他为柴米油盐操过一点心。为买房子,我欠了一屁股债。这不都得靠我拼死拼活写文章挣稿费慢慢还吗?我还不到30岁,头发就开始“落英缤纷”,这都是用脑过度、睡眠不足造成的。我容易吗?作为儿子,我唯一的要求就是让他给我一个安静的白天,养精蓄(ruì)。我觉得这并不过分。 父亲每天按时回来给我做饭,吃完后让我好好睡,就出去了。有一天,我随口问父亲,最近在干啥呢?父亲一愣,支吾着说,没,没干啥。我突然发现父亲的皮肤比原先白了,人却瘦了许多。我夹些肉放进父亲碗里,让他注意加强营养。父亲说,他是“贴骨膘”,身体棒着呢。 转眼到了年底,我应邀为一个朋友所领导的厂子写专访,对方请我吃晚饭。由于该厂离我的住处较远,他们用车来接我。饭毕,他们又送我一套“三枪”内衣,并让我随他们

国际会计准则第36号

国际会计准则第号资产减值 国际会计准则第号 目的 本准则的目的是,规定企业用以确保其资产以不超过可收回价值()的金额进行计量的程序。如果资产的帐面价值超过通过使用或销售而收回的价值,该资产就是按超过其可收回价值计量的,如果是这样,该资产应视为已经减值,本准则要求企业确认资产减值损失。本准则也规定了企业何时应冲回资产减值损失,以及减值资产的有关披露内容。 范围 .本准则适用于除下述资产以外的所有资产减值的会计核算: ()存货(参见《国际会计准则第号存货》); ()建造合同形成的资产(参见《国际会计准则第号建造合同》); ()递延所得税资产(参见《国际会计准则第号所得税》); ()雇员福利形成的资产(参见《国际会计准则第号雇员福利》); ()包括在《国际会计准则第号金融工具:披蹲和列报》范围内的金融资产。 .本准则不适用于存货、建造合同形成的资产、递延所得税资产或雇员福利形成的资产,因为适用于这些资产的现行国际会计准则已经包含了有关其确认和计量的特定要求。 .包括在《国际会计准则第号金融工具:披落和列报》范围内的金融资产,其减值损失的会计核算取决于国际会计准则委员会有关金融工具项目的结果。以下投资属于金融资产,但《国际会计准则第号金融工具:披露和列报》没有包括,因而本准则也适用于这些金融资产: ()《国际会计准则第号合并财务报表和对子公司投资的会计》中定义的子公司; ()《国际会计准则第号对联营企业投资的会计》中定义的联营企业; ()《国际会计准则第号合营中权益的财务报告》中定义的合营企业。 .根据其他国际会计准则,以重估价值(公允价值)计量的资产,如按《国际会计准则第号固定资产》以重估价值作为允许选用的方法计量的资产,本准则也适用。但是,认定某项重估资产是否已经减值,取决于用以确定其公允价值的基础: ()如果资产的公允价值是其市场价值,则资产的公允价值与其销售净价之间的唯一差额是处置该资产的直接增量费用:

solutions for assignment3

Chapter 3 Assignments P13.Consider a reliable data transfer protocol that uses only negative acknowledgments. Suppose the sender sends data infrequently. Would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to-end connection experiences few losses. In this second case, would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Answer: In a NAK only protocol, the loss of packet x is only detected by the receiver when packet x+1 is received. That is, the receivers receives x-1 and then x+1, only when x+1 is received does the receiver realize that x was missed. If there is a long delay between the transmission of x and the transmission of x+1, then it will be a long time until x can be recovered, under a NAK only protocol. On the other hand, if data is being sent often, then recovery under a NAK-only scheme could happen quickly. Moreover, if errors are infrequent, then NAKs are only occasionally sent (when needed), and ACK are never sent – a significant reduction in feedback in the NAK-only case over the ACK-only case. P23. We have said that an application may choose UDP for a transport protocol because UDP offers finer application control (than TCP) of what data is sent in a segment and when. a. Why does an application have more control of what data is sent in a segment? b. Why does an application have more control on when the segment is sent? Answer: a) Consider sending an application message over a transport protocol. With TCP, the application writes data to the connection send buffer and TCP will grab bytes without necessarily putting a single message in the TCP segment; TCP may put more or less than a singe message in a segment. UDP, on the other hand, encapsulates in a segment whatever the application gives it; so that, if the application gives UDP an application message, this message will be the payload of the UDP segment. Thus, with UDP, an application has more control of what data is sent in a segment. b) With TCP, due to flow control and congestion control, there may be significant delay from the time when an application writes data to its send buffer until when the data is given to the network layer. UDP does not have delays due to flow control and congestion control.

塑料件结构设计要点说明

产品开发的结构设计原则: a、结构设计要合理:装配间隙合理,所有插入式的结构均应预留间隙;保证有足够的强度和刚度(安规测试),并适当设计合理的安全系数。 b、塑件的结构设计应综合考虑模具的可制造性,尽量简化模具的制造。 c、塑件的结构要考虑其可塑性,即零件注塑生产效率要高,尽量降低注塑的报废率。 d、考虑便于装配生产(尤其和装配不能冲突)。 e、塑件的结构尽可能采用标准、成熟的结构,所谓模块化设计。 f、能通用/公用的,尽量使用已有的零件,不新开模具。 g、兼顾成本 大略的汇总下结构中常见的问题注意点,期抛砖引玉,共同提高。 1、关于塑料零件的脱模斜度: 一般来说,对模塑产品的任何一个侧面,都需有一定量的脱模斜度,以便产品从模具中顺利脱出。脱模斜度的大小一般以0.5度至1度间居多。具体选择脱模斜度注意以下几点: a、塑件表面是光面的,尺寸精度要求高的,收缩率小的,应选用较小的脱模斜度,如0.5°。 b、较高、较大的尺寸,根据实际计算取较小的脱模斜度,比如双筒洗衣机大桶的筋板,计算后取0.15°~0.2°。 c、塑件的收缩率大的,应选用较大的斜度值。 d、塑件壁厚较厚时,会使成型收缩增大,脱模斜度应采用较大的数值。 e、透明件脱模斜度应加大,以免引起划伤。一般情况下,PS料脱模斜度应不少于2.5°~3°,ABS及PC料脱模斜度应不小于1.5°~2°。 f、带皮纹、喷砂等外观处理的塑件侧壁应根据具体情况取2°~5°的脱模斜度,视具体的皮纹深度而定。皮纹深度越深,脱模斜度应越大。 g、结构设计成对插时,插穿面斜度一般为1°~3°(见后面的图示意)。 2、关于塑件的壁厚确定以及壁厚处理: 合理的确定塑件的壁厚是很重要的。塑件的壁厚首先决定于塑件的使用要求:包括零件的强度、质量成本、电气性能、尺寸稳定性以及装配等各项要求,一般壁厚都有经验值,参考类似即可确定(如熨斗一般壁厚2mm,吸尘器大体为2.5mm),其中注意点如下:

父爱昼夜无眠阅读答案

父爱昼夜无眠阅读答案 父亲最近总是萎靡不振,大白天躺在床上鼾声如雷,新买的房子如音箱一般把他的声音“扩”得气壮山河,很是影响我的睡眠——我是一名昼伏夜“出”的自由撰稿人,并且患有神经衰弱的职业病。我提出要带父亲去医院看看,他这个年龄嗜睡,没准就是老年痴呆症的前兆。父亲不肯,说他没病。再三动员失败后,我有点恼火地说,那你能不能不打鼾,我多少天没睡过安稳觉了!一言既出,顿觉野蛮和“忤逆”,我怎么能用这种口气跟父亲说话?父亲的脸在那一刻像遭了寒霜的柿子,红得即将崩(kuì),但他终于什么话也没说。 第二天,我睡到下午4点才醒来,难得如此“一气呵成”。突然想起父亲的鼾声,推开他的房门,原来他不在。不定到哪儿玩麻将去了,我一直鼓励他出去多交朋友。看来,虽然我的话冲撞了父亲,但他还是理解我的,这就对了。父亲在农村穷了一辈子,我把他接到城里来和我一起生活,没让他为柴米油盐操过一点心。为买房子,我欠了一屁股债。这不都得靠我拼死拼活写文章挣稿费慢慢还吗?我还不到30岁,头发就开始“落英缤纷”,这都是用脑过度、睡眠不足造成的。我容易吗?作为儿子,我唯一的要求就是让他给我一个安静的白天,养精蓄(ruì)。我觉得这并不过分。 父亲每天按时回来给我做饭,吃完后让我好好睡,就出去了。有一天,我随口问父亲,最近在干啥呢?父亲一愣,支吾着说,没,没干啥。我突然发现父亲的皮肤比原先白了,人却瘦了许多。我夹些肉放进父亲碗里,让他注意加强营养。父亲说,他是“贴骨膘”,身体棒着呢。 转眼到了年底,我应邀为一个朋友所领导的厂子写专访,对方请我吃晚饭。由于该厂离我的住处较远,他们用车来接我。饭毕,他们又送我一套“三枪”内衣,并让我随他们到附近的浴室洗澡。雾气(liáo)绕的浴池边,一个擦背工正在一肥硕的躯体上刚柔并济地运作。与雪域高原般的浴客相比,擦背工更像一只瘦弱的虾米。就在他结束了所有程序,转过身来随那名浴客去更衣室领取报(choú)时,我们的目光相遇了。“爸爸!”我失声叫了出来,惊得所有浴客把目光投向我们父子,包括我的朋友。父亲的脸被热气蒸得浮肿而失真,他红着脸嗫嚅道,原想跑远点儿,不会让你碰见丢你的脸,哪料到这么巧…… 朋友惊讶地问,这真是你的父亲吗? 我说是。我回答得那样响亮,因为我没有一刻比现在更理解父亲,感激父亲,敬重父亲并抱愧于父亲。我明白了父亲为何在白天睡觉了,他与我一样昼伏夜出。可我深夜沉迷写作,竟从未留意父亲的房间没有鼾声! 我随父亲来到更衣室。父亲从那个浴客手里接过三块钱,喜滋滋地告诉我,这里是闹市区,浴室整夜开放,生意很好,他已攒了1000多元了,“我想帮你早点儿把房债还上。” 在一旁递毛巾的老大爷对我说,你就是小尤啊?你爸为让你写好文章睡好觉,白天就在这客座上躺一躺,唉,都是为儿为女哟…… 我心情沉重地回到浴池。父亲撇下老李头,不放心地追了进来。父亲问,孩子,想啥呢?我说,我想,让我为您擦一次背……话未说完,就已鼻酸眼热,湿湿的液体借着水蒸气的掩护蒙上眼睛。 好吧,咱爷俩互相擦擦。你小时候经常帮我擦背呢。” 父亲以享受的表情躺了下来。我的双手朝圣般拂过父亲条条隆起的胸骨,犹如走过一道道爱的山冈。 1、看拼音写汉字4分 崩kuì()liáo()绕养精蓄ruì()报choú() 2、解释下列词在文中的含义2分

assignment写作浅谈

在百度问答中留学论文宝老师发现,很多学生都会进行网上交流,比如学生会问到,留学论文宝在哪里?留学论文宝好不好?留学论文宝是不是跟网上说的一样好?我是澳洲的学生,某某学科的论文作业能不能辅导?很多这样的问题等到第二天再看的时候发现百度问题已经被接受过留学论文宝老师辅导的学生给刷屏了。感谢各位留学生对留学论文宝的信赖、支持和宣传。 既然还是有很多学生抱着怀疑得态度,那么留学论文宝老师就来介绍一下自己吧。留学论文宝是2009年成立在英国本地的一家正规论文辅导机构,在十多年的竞争中我们成功地走到了今天并且快速地发展着,直至今日,我们已经成功解决了超过30000留学生的论文课业负担。 留学论文宝的核心力量是辅导老师,作为专业的英文写作辅导老师都是从国外的知名大学毕业的研究生和博士生,因此我们的绝对优势在于: 1、辅导老师资质过硬,不仅师资力量雄厚,而且专业无敌,老师遍布各大高校,因此任何一个留学生都能找到对口的院校专业辅导老师,在英文表达上是绝对没有问题的,在写作技巧上也是非常娴熟的。 2、在辅导水平。在学历上可以分别是本科预科、本科、硕士预科、硕士,有关博士的我们可以提供专业的Proposal指导;在辅导学科上可以是文理科、工科、商科、医学、艺术等;在辅导范围上,可以是平常的期中期末作业、毕业生的Dissertation,留学文书(包括PS个人陈述、CV个人简历、Recommendation 推荐信、成绩单毕业证学位证等各种材料的翻译),还可以是学生的演讲稿、PPT 和调查问卷的制作等。 3、服务态度。辅导老师会根据学生提供的学校学历专业、论文要求、导师上课的课件和风格,学生掌握的知识程度,先列出一份写作大纲,学生满意后方动笔,最后在规定的时间内上交全稿。如果在中间过程学生有不满意的要及时提出来以便修正。最后的全稿会通过客服老师进行专业评估和使用专业的Turn it in检测系统检测抄袭率,保证在5%以下,有不少都是100%原创。所有学生的文章一律过关,还有不少取得了不错的分数呢! 在留学文书方面,留学论文宝老师因为都是出过国的,所以在对各大学的地理位置、办学特色,甚至对某一个具体知名的导师都是很熟悉的,再加上自己也制作过留学文书,因此事绝对没有问题的。凡是接受过留学论文宝辅导老师的文书制作服务的,都写出了非常满意的PS、CV和推荐信,最后也都拿到了自己梦想大学的offer,留学成功。 如果您想更多地了解留学论文宝,想知道Essay和Dissertation的写作方

五大工程塑料要点

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父爱昼夜无眠阅读答案

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征询意见 理事会将特别欢迎对下列问题的回答。意见中最好能指明有关的准则段落,包含明晰的基本原理,并在合适的地方提出备选措辞的建议。 问题1 您是否同意会计政策自愿变更和差错更正的允许选用的处理方法应当被删除,即这些变更和更正应当用追溯调整法处理,如同新的会计政策一直在运用或该差错从未发生那样(参见第20段、21段、32段和33段)? 问题2 您是否同意删除重大差错和其他重要差错的区别(参见第32段和33段)? 主要改动摘要 主要的改动建议有: ●通过下列方式修改本准则的范围: ?包含《国际会计准则第1号——会计报表的列报》的第20至22段,该 段详细说明了会计政策选择的标准; ?删除IAS8第7至18段涉及到收益表项目列报的要求。这些要求,包括 所作的修改,将转入IAS1。 因此,本准则的名称该为《会计政策、会计估计变更和差错》。 ●删除重大差错和其他重要差错的区别,并在建议的第3段增加差错的定 义。重大差错的概念被删除 ●删除IAS8第38至40段所列的差错更正允许选用的处理方法。因此,某个 实体不再被允许: ?将差错更正的金额包含在当期损益中;

Assignment3经原

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五大工程塑料对比分析知识交流

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(4)保险公司与保单持有人之间签订的合同所产生的无形资产。 2.如果其他国际会计准则涉及了特定类型的无形资产,那么企业应运用该项准则而不是本准则。例如,本准则不适用于以下各项无形资产: (1)企业在正常经营过程中为出售而持有的无形资产(见《国际会计准则第2号存货》和《国际会计准则第11号建造合同》); (2)递延所得税资产(见《国际会计准则第12号所得税》); (3)属于《国际会计准则第17号租赁》范围内的租赁; (4)雇员福利所形成的资产(见《国际会计准则第19号雇员福利》); (5)企业合并中形成的商誉(见《国际会计准则第22号企业合并》); (6)《国际会计准则第32号金融工具:披露和列报》中定义的金融资产。金融资产的确认和计量由以下准则规范:《国际会计准则第27号合并财务报表和对于公司投资的会计》、《国际会计准则第28号在联营企业投资的会计》、《国际会计准则第31号合营中权益的

财务报告》和《国际会计准则第39号金融工具:确认和计量》。 3.一些无形资产可能会以实物为载体,例如磁盘(对计算机软件而言)、法律文件(对许可证或专利权而言)或胶片式确定一项包含无形和有形要素的资产应按《国际会计准则第历号一固定资产》核算,还是作为一项无形资产而按本准则核算,需要进行判断,以评价哪个要素更重要。例如,一台计算机控制的机械工具没有特定计算机软件就不能正常运行时,则说明该软件构成相关硬件不可缺少的组成部分,从而该软件应作为固定资产核算。同样的原则适用于计算机控作系统。如计算机软件不是相关硬件不可缺少的组成部分,则该软件应作为无形资产核算。 4.本准则还适用于广告、培训、开办活动、研究与开发活动支出等。研究与开发活动的目标是开发知识。因此,虽然这些活动可能会产生有实物形态的资产(例如,样品),但该资产的实物要素次于其无形要素(即含在实物要素中的知识)。 5.就融资租赁而言,标的资产可能是有形的,也可能是无形的。初始确认后,承租人应按本准则的规定核算因融资租赁而持有的无形资产。电影、录相、戏剧、手稿、专利权和版权等项目的许可证协议中的权利不在《国际会计准则第对号一租赁》范围之内,而在本准则范围之内。 6.如果某些活动或交易特殊,可能需要用其他方式进行会计处理,那么该活动或交易可能会被排除出某项国际会计准则的范围。采掘业中因石油、天然气和矿产的勘探或开发和采

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1.Topic: Global Business Situation and Opportunity Analysis 2.Essay or Report格式: 3.Outline(请说说您的想法和要求,以免写出来不是您想要的内容): An opportunity analysis is used to leverage the marketing strategy and action plan. It is the first part of any marketing plan. The market opportunity identified through this situation and opportunity analysis will become the stated objective of the Global Marketing Plan (Assessment no. 4). Instructions: Choose a business that you find interesting and narrow it to one product or product line. Conduct an analysis of the current internal and external situation of the product/ product line. Internal should include: ? A brief summary of the company structure and its overall capabilities and resources ? Current products/ product line ? Current market/s, including customer behaviour issues, demand and trends, plus sales information (if available) ? Distribution and Supply External should include: ? Competitive environment- a global perspective but stay on the product offering ? Industry situation in particular global markets ? Consider the economic, technological, political, socio-cultural and natural imperatives Conduct a SWOT analysis. Synthesize and summarize the strengths, weakness, opportunities and threats associated with the product/ product line Carefully evaluate the strategic fit of the market opportunity to the company’s capabilities Select one market opportunity that you believe is worth pursuing and justify. This is the stated objective of Global Marketing Strategy Plan (Assessment no. 4) Conclusion

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