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Roller sprockets have some special dentiform teeth.Depending upon the meshing which lies in between chain teeth and chain nodes,it can transfer the desired movement.

滚子链轮上制有特殊齿形的齿，依靠链轮轮齿与链节的啮合来传递运动和动力。

Consideration of display resin requirements led us to select for study the diallyl phthalate polymer thermosetting system, which had most of the performance properties desired, but was excessively brittle.

Consideration的要求使我们选择的研究烯丙基酯聚合物热系统，它最的性能理想，但过于脆弱。

A desired process must be chosen in the establishment of diammonium phosphate.

提出在建设磷铵装置时要重视选定合适的工艺。

The first asymmetric total synthesis of coumarinolignoids Daphneticin and it's enantiomer was accomplished starting from 7-hydroxycoumarin and 3, 4, 5-trimethoxybenzaldehyde, in which Sharpless asymmetric dihydroxy reaction was used to construct chiral center, and Mitsunobu reaction was used to obtain desired configuration.

并以7-羟基香豆素和3，4，5-三甲氧基苯甲醛为起始原料，用Sharpless不对称双羟化反应构筑手性中心，用Mitsunobu偶联反应作为关键步骤，合成了手性的香豆素木脂素Daphneticin及其异构体。

If a large, single, decorative flower is desired, disbud the plants early when the buds are small.

如果一个大型，单一的，装饰花是需要，disbud植物的花蕾初时小。

In the in-line predistorter of the present invention, the desired real and imaginary distortion terms may be synthesized by summing the distortino contributions from several different distorter elements.

在本发明的在线预失真器内，需要的实的和虚的失真项，可以把若干不同失真器单元产生的失真成分相加而合成。

The new process for preparing 4,4"-Diaminostilbene-2,2"-disulfonic acid was characterized by carrying out the catalytic hydrogenation of 4,4"-dinitrostilbene-2,2"-disulfonic acid or its alkali salts in presence of both Pd/C and OVN in water, the amount of OVN ranging from 0.1 to 0.2% by weight of 4,4"-dinitrostilbene-2,2"-disulfonic acid or its alkali salts, yielding 98.7% of desired product with 99.3% purity.

确定了氧化缩合反应的较佳工艺条件，DNS收率达95.2％，纯度达到了99.1％。而在本论文所确定的还原反应最佳条件下，DSD酸的收率可达98.7％，纯度高达99.5％。

The basic principle is the electriferous of ink－jetprinting fog point after eletrode pianzhuan, directly on the paper to form the desired font style.

其基本原理是带电的喷墨雾点经过电极偏转后，直接在纸上形成所需字形。

Other methyl nucleophiles includingMeMgBr, MeCeCl2, MeTiCl3, Me3Al, Me3ZnMgCl, MeMnClwere tried, but in all these cases no detectable amount of exo-C8-methylated product was obtained. Although protecting C3-carbonyl as 1,3-dioxolanes could be achieved, the serious enolization of C8-carbonyl was still problematic. Converting C9-furan ring to α,β-butenolide did depress the enolization, but desired C8-methylation was completely replaced by migration of the double bond of the butenolide.

在本论文的早期阶段，主要着眼于解决二环[3.2.1]-C8-羰基加成甲基所遇到的C9-呋喃环差向异构化和C3与C8两个羰基之间化学选择性的问题：通过引入不同金属降低甲基试剂的碱性并没有取得甲基化的成功；通过不同的方法将C3-羰基掩蔽，但是C8-羰基的烯醇化依然无法抑制；虽然通过将呋喃环转化为α，β-不饱和-γ-丁内酯可以抑制烯醇化，但内酯环上的双键迁移又成了新的竞争反应。

It is desired that we may get a full picture of the dynamics of the walking motion of a biped robot, and design a suitable control law therewith. Moreover, we hope the results might be useful in applications such as humanoids and exoskeletal robots.

希望藉由本计划执行的研究，可以深入了解二足步行的动态特性，并设计出一良好的控制法则，未来应用在实际的人形机器人或行动辅具上。

London based fashion photographer Matt Irwin might be is the next big thing in fashion photography.

总部位于伦敦的时装摄影师马特欧文可能会是下一件大事的时装摄影。

Based on IMC system,the response would be better if the model matched more satisfactorily.

由于系统基于内模控制设计，故模型匹配度越高，系统响应越好。