不结果的

In this paper, a thermal simulation model of a LED driver was established. The thermal field and thermal stress analysis of the driver was done by using the software EFD Pro 8.2, and the temperature rise from various parts and the temperature field distribution of the PCB were obtained. By analyzing the reasons leading to overheating and unideal heat distribution, corresponding thermal simulation using an improved model was carried out. Finally, the comparison and analysis of experimental measurement results and simulation results were given.

本文基于计算流体力学中的有限体积法，建立了该变换器的热仿真模型，利用EFD Pro 8.2软件，对驱动电源内部进行了热场及热应力分析，得到了各部分的温升情况和整个电源温度场的分布情况，分析导致PCB局部过热的原因，然后针对热仿真得出的不理想的热分布情况提出了改进的方法，进行了模型改进，对PCB板上的各部分进行合理的重新布局，并再次进行了热仿真，最终得到了较为理想的结果，最后给出了实验测量结果与仿真结果的对比及分析。

The security evaluation of eco-geological environment in Zhujiangyuan by this means indicated that the eco-geological environment of Zhujiangyuan is unsafety.

用此方法对珠江源区生态地质环境安全进行评估，结果表明其生态地质环境是不安全的，属于复合型不安全。

The reason turned out to be a sales person, because it packs made of cardboard cartons that belong to the heterotype, products'packing do not know how to the use of packaging, quality is good for this House to the cartons to customers, products'packing do not follow the packing and then let the quality of production of cardboard in the detection of a problem in the process of denychildren, which will ultimately be taken out in qualified provider and a carton sales staff to do much better, he handed the cartons are delivered to customers, and customers together with packaging, testing, careful to products'packing explaining the wrapper method, listen to their views; because the product originally weight heavier, the customer has done a real test, a sales person in the patient when stacking to products'packing staff analysis of these issues, and ultimately makes this easy by his business to his hand.

来因公然是采购职员的事，因为其纸箱属于异型纸箱，不销物包拆职员不懂得怎么搁置包拆，度度好的这一家只是把纸箱送到客户那里，不销物包拆职员不不合的包拆，结果让这家度度好的企业出不销的纸箱在检测功程洋不入现题目而不等外，首先被排泄在等外供应商之列；而另外一家纸箱企业的采购职员不离怠工的好众了，他把纸箱送到客户那里后，和客户一路包拆、一路检测，澈底的给不销物包拆职员诠释包拆办法，听取他们的不败见；因为不销物原来不沉度较轻，客户怠工了模型测验，采购职员在堆码时耐性的给不销物包拆职员阐发这些题目，首先使得这个交易被他不沉松的拿到了手。

Would also like to note that once as a result of close combat troops will not be able to exit, it depends on the number of enemy troops to attack, not all the result of a team of soldiers to play抽不出身outflanking by the enemy.

还要注意，由于部队一旦进入近身战就无法抽身，所以要看敌人进攻的部队数量，不要所有兵去打一队结果抽不出身被敌人包抄。

Results The main causes of nonunion of humerus fracture were mistreatment and unconsummated materials of internal immobilization.Of32cases,31cases were healing;the average healing duration was6months.

结果 肱骨骨折不愈合的原因主要治疗方法错误及内固定材料因素及固定不完善。32例中，愈合31例，占96.9%，愈合时间4～10 月（平均6个月）；未愈合1例，占2.2%。

Results The main causes of nonunion of humerus fracture were mistreatment and unconsummated materials of internal immobilization.Of32cases,31cases were healing;the average healing duration was6months.

结果 肱骨骨折不愈合的原因主要为治疗方法错误及内固定材料因素及固定不完善。32例中，愈合31例，占96.9%，愈合时间4～10个月（平均6个月）；未愈合1例，占2.2%。

An unworkmanlike result; an unworkmanlike tool.

不熟练的结果；工具不熟练。

Wing effect: The result of out-of-square guillotining of a book: when the book is opened the edges look like a pair of butterfly wings rather than being parallel along the tops and bottoms.

蝶形效果：书本裁切不正方的结果。当打开书本时，上下书边不平行，像一对蝴蝶翅膀似的。

Wing effect: The result of out-of-square guillotining of a book: when the book is opened the edges look like a pair of butterfly wing s rather than being parallel along the tops and bottoms.

蝶形效果：书本裁切不正方的结果。当打开书本时，上下书边不平行，像一对蝴蝶翅膀似的。

The mechanism of instability wrinkling in the process based on minimum energy principle is revealed, uniform mathematic description of the wrinkling wave on the strip of in-plane bending is established, the internal and external energy is deduced by energy method, and a uniform criteria of internal and external wrinkling is established; then how to combine the criteria with the FEM simulation system to make the numerical prediction of wrinkling into reality is also resolved in the paper. The effects of the forming parameters on the deforming result are analyzed by the uniform predict criteria. The results show as follows: as the compress width increase, external wrinkling first come into being, then internal winkling do, and finally in-plane bend occur; the loading wedge angle increase, internal winkling first come into being, thenin-plane bend do, and finally external wrinkling occur; in-plane bend is possible to occur with a increase of the strain-hardening exponent and the strength coefficient; and the effect of the friction factor may be ignored.

2揭示了板带不均匀压下面内弯曲成形过程基于能量原理的失稳起皱机理，提出了统一的描述内外缘起皱波形的函数，采用变分法推导了服从该波形函数的内外缘起皱能，建立了统一的起皱预测准则；将新建立的统一的起皱预测准则引入到数值模拟系统IBS中，数值预测结果与实验结果的吻合较好；分析了成形过程各参数对起皱的影响规律：随着接触变形区宽度的逐渐增大，先是发生外缘起皱，然后发生内缘起皱，进而才出现稳定成形；随着实际加载楔角的增大，先是发生内缘起皱，然后发生稳定成形，进而出现外缘起皱；硬化指数和强化系数增大，易于稳定成形；摩擦因子对起皱的影响不明显；而且接触变形区宽度对起皱的影响最大。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。