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The optimal molar ratio of aniline to oxidant is determined to obtain maximum yield.

优化苯胺和氧化物的摩尔比可以获得最大产率。

The more active catalyst and the more suitable carrier should be selected further not only to heighten the yield of MPC and DPC,but to avoid the production of anisole at above 250℃.

由此可以知道，要想使得MPC、DPC产率增加需选择更适合的催化剂，而对于高温下气固相反应应该选择更适合的能有效抑制苯甲醚副反应发生的催化剂载体。

Finally, a two-mask process was attempted to extend the same concept of the chip process. Here the mask of the contact aperture was replaced by the mask of the LED pad. After etching the SiO2 and ITO in the aperture region, a lateral etch of SiO2 was made to increase the ITO contact area. Although the forward voltage of the GaN LED shows a normal value, the process yield is still low and requires further study.

二道光罩制程延伸了三道光制程的理念，只是因为透明导电层的圆孔图形，是用电极的光罩去开的，所以蚀刻完二氧化矽膜及氧化铟锡膜后，必须再做二氧化矽膜的回蚀刻，让二氧化矽再内缩进去，以增加氧化铟锡和电极的接触面积，不会造成发光二极体的顺向电压提高，但因制程良率太低，所以还须要继续研究改善。

Studies on genes related to embryo and endosperm development are leading us to an extensive understanding of the mechanisms of seed development and apomixis at the molecular level, which will benefits the research for yield and quality improvement of plant seeds via genetic engineering.

对胚和胚乳发育相关基因的研究，可使人们在分子水平上解析种子发育和无融合生殖的分子机制，更有效地开展植物种子产量和品质改良的基因工程。

We discussed that the production project of making use of heavy oil to yield asphaltum andSurfactants and probe into the heavy oilof Daqing Peripheral Oilfields, whether or not it suit to produce theasphaltum and Surfactants, we studied the production technology of the asphaltum and Surfactan...

对利用稠油生产沥青、表面活性剂等产品的方案进行探讨，探讨大庆外围油田稠油是否适合生产沥青和表面活性剂，并对其生产工艺进行了研究。

The result indicated, the CIMMYT forage characteristics of the overgrowth, strong tillerity and high yield could inherit to the offspring ,and the inherit ability was higher. It was obviously difference of seedling, plant, and its grow habit, flower apparatus and seed between CIMMYT forage and common maize. The hybrid offspring of CIMMYT forage and common maize keep the strong trait of growing and development, but the flower and seed character were look like common maize. The backcross offspring were not different to common maize besides with some tillers, distinct multi-ear and atavism.

结果表明，CIMMYT牧草能将其生长繁茂、分蘖力强、生物产量高的特性遗传给杂交后代，并有较强的世代传递能力；该牧草幼苗、植株及其生长习性、花器官、种子特征等与普通玉米差异明显，其与普通玉米的杂交后代基本保持了它的生长发育特性，但花器官和种子特征更偏向于普通玉米；回交后代除保持了一定的分蘖特性、明显的多穗和返祖现象外，其余特征特性与普通玉米基本没有区别。

Many a brave soul did it send hurrying down to Hades, and many a hero did it yield a prey to dogs and vultures,on which the son of Atreus, king of men, and great Achilles, first fell out with one another.

将许多豪杰强健的魂魄打入了哀地斯，而把他们的躯体，作为美食，扔给了狗和兀鸟，从而实践了宙斯的意志，从初时的一场争执开始，当事的双方是阿特柔斯之子、民众的王者阿伽门农和卓越的阿基琉斯。

To study the expression, purification and bioactivity of human augmenter of liver regeneration in Pichia Pastoris, the expression plasmid pPICZαA- ALR was constructed and transformed into P. Pastoris by the method of electroporation transformation. Induced with 0.5% methanol, the 30 kD protein in the culture supernatant of recombinant P. Pastoris was confirmed to be rhALR by SDS-PAGE and Western blot. Quantitative analysis showed that the target protein was in a level of 66% of the total protein of the culture supernatant, with a yield of 40mg/L.we had performed DEAE anion exchange chromatography two times with excessive and regular adsorption quantity consecutively, and then the rhALR above 95% purity and 52% protein recovery could be obtained by G75 molecular sieve chromatography at last step. The bioactivity assay of the purified product showed that rhALR could stimulate the proliferation of HepG2, SMMC-7721 and NIH-3T3 in vitro.

为在毕赤酵母中分泌表达人肝再生增强因子，以色谱法分离纯化后进行体外活性研究，构建表达载体pPICZαA- ALR，经电穿孔转入毕赤酵母中，用0.5％甲醇诱导表达；重组酵母培养上清经SDS-PAGE电泳和western blot鉴定后表明， rhALR以分子量为30kD的二聚体为主；定量分析结果表明，重组酵母培养上清中rhALR约占总蛋白的66％，表达量约为40mg/L；经DEAE柱和G75柱纯化后，获得的rhALR纯度大于95％，得率为52％；体外生物学活性实验表明，rhALR能明显促进HepG2、SMMC-7721和NIH-3T3细胞的增殖。

In contrast, European economic strength, particularly in Germany, added to the upward pressure on interest rates and accordingly bond prices fell back, with the yield on the ten-year German bond rising to 4.15% over the month.

不同的是，欧洲，尤其是德国的经济增长势头进一步提升了加息压力，从而使得债券价格回落，德国10年期债券收益率在4月份升至4.15%。

Back 'down; US back 'off give up a claim to sth; yield 放弃对某事物的要求;屈服: He proved that he was right and his critics had to back down.

他证明了他是正确的，而那些非难他的人不得不收起他们那一套。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！