链

This research which extends the new product supply chain model of Bulter et al. considers issues on global logistics from a more integrated view. First of all, it solves the global logistic settings problem in new product development by means of mixed-integer linear programming. Secondly, it uses the scenario-based robust optimization to lower the risk in the supply chain design. Then it adds the reliability calculation to make up for the gap between the plan and the real operation. At last it calculates and analyzes the quantitative model on the basis of the case data.

本研究延伸Butler等人之新产品供应链模式，考量更完整之全球运筹相关议题，透过混合整数线性规划描述新产品发展时全球运筹配置问题，并利用情境为基础的稳健最佳化以取得低风险的供应链配置，此外加入可靠度的影响，以弥补供应链规划与实际操作的差距，并加入缺货之惩罚成本，最后以范例资料进行计算与分析此数量模式，经由模式计算结果发现本研究规划之结果，相较於原Butler等人之模式有较低的缺货的发生可能性，且所求得之配置整体可靠度皆有所提升。

The experiments showed that polypeptides were formed by self-assembly of N, O- bis amino acids with the assistance of o-phenylene phosphoro- chloridate. Three steps were involved in the self organization reactions, i.

侧链无官能团的N，O-二-α-氨基酸在O，O-亚苯基磷酰氯辅助下能自组装得到系列2～n聚寡肽，其自组装成肽过程大致分为三步：氨基酸的活化、肽链的延长和链反应终止。

The study on polygonal or chordal action, the associated impact between rollers and sprockets and dynamic loading in the system is carried out with different motion laws.An experimental apparatus is set up to investigate dynamic behavior of intermittent chain drive system thoroughly.

为拾取链节在运动中的振动信号，设计了一套特殊的反凸轮——滑块机构，可实现测试信号线与链节保持同步运动，从而避免了信号线与链节发生缠绕的问题。

The circinal cavities were found in calcium alginate beads and the cylinder holes were observed in zinc alginate beads from the SEM,which indicated that the volume of fraction of zinc alginate polymer was relatively bigger and the zinc alginate polymer chain was more rigid than that of calcium alginate .

凝胶的SEM照片可见，海藻酸钙的冷冻干燥颗粒内为较大的圆孔，海藻酸锌凝胶内为较小的长孔，表明海藻酸锌高分子链在凝胶颗粒中的体积分率相对较大同时刚性较强；卵清蛋白从海藻酸凝胶颗粒中释放的试验结果表明，由于上述海藻酸锌凝胶的特性，导致海藻酸锌对卵清蛋白扩散阻滞作用相对较强；根据试验数据计算得卵清蛋白在海藻酸钙、海藻酸锌凝胶颗粒中的扩散系数分别为1.19×10-7、0.07×10-7cm2/s，利用阻滞模型计算得海藻酸锌高分子链在凝胶颗粒中体积分率约为海藻酸钙高分子链在凝胶颗粒中体积分率的1.7倍。

The present invention relates to a method for preparing long-chain dibasic acid diester by using long-chain dibasic acid produced by fermentation process.

本发明涉及一种长链二元酸双酯的制备方法，尤其是一种用发酵法生产的长链二元酸制备长链二元酸双酯的方法。

But only one diquaternary compound whose spacer group was -(CH2)2O(CH2)2-, N,N"-dimethyl-N,N,N",N-tetradodecyl-3-oxa- pentane diammonium diiodide, was obtained under the same reaction conditions, because of the effect of spacer.

但由于间隔链中氧原子的影响，使得用相同方法合成和后处理不同疏水链的间隔链为-(CH2)2O(CH2)2-双子型季铵盐所得结果不一样。

When these station PR the value is achieved 2 or 3 later, they can delete the friendship that exchanges before to link secretly (have pity on us to some of dish bird stationmaster inquires exterior link circumstance scarcely, still making dotal) to other all the time, vacate the position to search PR to be worth tall website to have a link, borrow machine is farther promotion PR value.

当这些站PR值达到2或者3以后，它们便会偷偷删除以前交换的友情链接(可怜我们有些菜鸟站长几乎不查询外部链接情况，一直还在给他人作嫁妆)，腾出位置寻找PR值高的网站进行链接，借机进一步提升PR值。

In this research work, the technology of microbial conversion was studied in order to establish an environment friendly method for the production of doxorubicin. A doxA gene encoding Daunorubicin C-14 hydroxylase was cloned from a daunorubicin-producing strain Streptomyces coeruleorubidus SIPI 1482. Some plasmids for the expression of doxA gene were constructed and transformed into S.

本研究对微生物转化法替代现有工艺生产阿霉素进行了探索，从柔红霉素产生菌天蓝淡红链霉菌SIPI 1482中克隆了柔红霉素C-14羟化酶基因，构建了doxA基因的链霉菌表达质粒，导入变铅青链霉菌TK24中获得了柔红霉素转化基因工程菌，并研究了doxA基因在工程菌中的表达，最后还对工程菌转化柔红霉素生成阿霉素的发酵工艺进行了初步研究。

FT-IR spectra shows that the polyaniline is present primarily in the emeraldine salt form, and the polymeric chains interact with inorganic framework, most likely via V=O…HN hydrogen bonding. XRD,TG and DSC indicate that the lamellar structure of the V_2O_5 is preserved, PAn chains eliminate water form the interlamellar region and are partially inserted between the layers, and exist with extended-chain conformation owing to the confined environment.Electrochemical investigation in the range of 1.8~3.8V vs.

红外光谱表明复合物中PAn主要以导电聚苯胺盐的形式存在，PAn链与V_2O_5晶格之间可能形成了V=O…HN氢键。X射线衍射、热重和差示扫描量热证实了PAn/V_2O_5复合物保持了较规整的层间排列结构，PAn取代了V_2O_5干凝胶中的层间水而部分嵌入其片层间，由于受空间的限制，PAn分子链以比较伸展的链构象存在。

Aim at twelve-bar kinematic chain with single joints,it combines topological graphs analysis with structure principle of mechanisms and method of innovative synthesis of epicyclic gear trains.

在将单铰运动链用于周转轮系创新综合方法的过程中，针对十二杆单铰运动链，将拓扑图分析和周转轮系创新综合的结构学原理及方法结合，得到了由十二杆单铰运动链生成的新型周转轮系的结构原型。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。