查询词典 yield gap

Teflubenzuron was synthesized from 2,4-difluoronitrobenzene and 2,6-dichlobenil as starting reagent through six-step reaction with the yield of 75.3%.3,5-Dichloro-2,4-difluoroaniline was synthesized by chlorination,reduction reaction from 2,4-difluoronitrobenzene,the yield was 84.5%;2,6-difluorobenzamide with the yield of 87.7% was synthesized by fluoridation and hydrolysis from 2,6-dichlobenil.

以2，4-二氟硝基苯和2，6-二氯苯腈为起始原料，经过6步反应合成伏虫隆，总收率为75.3%。以2，4-二氟硝基苯为原料，经过氯化、还原反应合成3，5-二氯-2，4-二氟苯胺，产率为84.5%；以2，6-二氯苯腈为原料，经过氟化和水解，制得2，6-二氟苯甲酰胺，产率为87.7%；将Ⅱ与二碳酸酯酰化，合成2，6-二氟苯甲酰异氰酸酯，产率为91.3%；Ⅲ与Ⅰ加成，得到杀虫剂伏虫隆，产率为95%。

We believe that it is extremely difficult for export volume to account for 10% of domestic gross yield, and almost impossible to reach 20%, let alone the estimation from foreign experts that Chinese apple yield may reach 34 million t in 2010. According to the calculation, 10% yield accounts for 55% of world export.

我们认为，出口量达到国内总产量的10%是极其困难的，达到总产量20%几乎不可能发生，更何况国外专家估计，2010年中国苹果产量可能达到3400万 t[1]，以此计算，10%的产量已占世界出口量的55%。

About structure system without obvious yield point, we determine its ductile coefficient by adopting the method of simulation yield process, at the same time, parameter p, parameter εand imaginary yield point elongation are present and applied into resistant earthquake engineering design.

提出了对于没有明显屈服点△y的结构体系，可以采用模拟屈服过程法确定其延性系数和p、ε假想"屈服平台"的概念，并且尝试应用于工程设计中。

The ethanol yield after steam pretreatment of the lespedeza stalks at 210 ℃ was 59.3 %,72.8 % and 62.2 % of theoretical yield when the residence time was 2, 4 and 6 min, respectively, whereas the highest yields from α cellulose were 92.7 % of theoretical yield.

其乙醇的产率分别是理论产率的59.3 %，72.8 %和62.2 %(未爆破处理的胡枝子茎杆乙醇产率为理论产率的16.4 %)。

It showed the 200g planting density had better agronomic traits and higher yield than others. Resides comparison of cropping yield in three different transplant quantities, in first-crop paddy rice, the highest yield is Three, second-crop is Multeity.

结果显示四种播种密度之稻谷产量，以200g播种密度之稻谷产量显著高於其他三者，一、二期作皆然；不同移植本数之稻谷产量，一期作以三本植处理之稻谷产量为最高，二期作则以多本植之稻谷产量为最高。

The results show that the organic-inorganic specialty fertilizer 〔16-6-8-20 〕is favorite to the yield increase and nitrate content decrease against tumorous stem mustard, and the inorganic fertilizer type Ⅱ(19-7-9) follows. Single superphosphate is better than monoammonium phosphate in increasing the yield whilst poorer in decreasing its nitrate content,sulfate of potash is better than muriate of potash in increasing the yield while weaker in decreasing its nitrate content,and fused calcium magnesium phosphate shows little desired effects.

结果表明：有机无机型专用肥〔16-6-8-20〕对茎瘤芥增产和降低其硝酸盐含量的作用最佳，其次为无机型专用肥Ⅱ(19-7-9)，过磷酸钙对茎瘤芥增产效果优于磷酸一铵，但降低其硝酸盐含量不及磷酸一铵，硫酸钾的增产作用优于氯化钾，但氯化钾降低硝酸盐含量的效果较好，钙镁磷肥对其增产和降低硝酸盐含量的效果均差。

Weather fresh onion or onionskin dry powder, the yield of polysaccharides obtained by microwave-assisted freeze thawing was the most, and the content of polysaccharicle obtained by utrasonic wave was the most. The yield of polysacchalides obtained by microwave-assisted freeze thaucing in onionskin was 3.58%(the content of polysaccharides was 63.9%); and its yield in fleshy parts was 3.15%(the content of polysaccharides was 62.0%).

不管是新鲜洋葱肉质部分还是洋葱皮干粉，微波辅助冻融法提取的多糖的得率最高，超声波法提取的多糖的含量最高，其中微波辅助冻融法提取洋葱皮中多糖得率为3.58%(含量为63.9%)；肉质部分多糖得率为3.15%（含量为62.0%）。

We use MorningStar style to classify a method tectonic to field of Chinese A stock market style invests combination, and with respect to Shanghai deep the yield feature that two city inspected each style to invest combination respectively, discovery is on Chinese market, value yield prep above grows the phenomenon of a yield is opposite only Shanghai city pannikin remarkable; and pannikin above quota Shanghai city value stock and deep market price are worth accrual consist in model, mix model stock.

我们采用MorningStar风格分类方法对中国A股市场构造风格投资组合，并就沪深两市分别考察了各风格投资组合的收益率特征，发现在中国市场上，价值股收益率高于成长股收益率的现象仅对沪市小盘股显著；而小盘股超额收益存在于沪市价值型股票和深市价值型、混合型股票。

The results showed that the Saccharopolyspora spinosa SP06081 protoplast yield was the highest under these conditions: the collected mycelium from SP06081 grown in Tryptic Soy Broth medium with 0.2% glycin for 48 h was treated by 0.1 mg/mL lysozyme at 28oC for 20 min, then plated on the R2YE medium with sucrose as osmotic stabilizer, the number of regeneration protoplast was up to 108/mL. The protoplast-regenerated strains exhibited changes in morphology and antibiotic production, 29.3% protoplast-regenerated strains was characterized by loose mycelium and abundant broken branches as did their parent. Among them, 58.2% strains presented the trend to positive variation in spinosad yield, with the highest spinosad yield of up to 582.0 mg/L, 85.6% higher than that of their parent.

结果表明：菌体在添加0.2%的甘氨酸的TSB培养基中培养48 h收集， 0.1 mg/mL 溶菌酶， 28oC作用20 min制备原生质体，将原生质体涂布于以蔗糖为渗透压稳定剂的R2YE培养基中，原生质体再生数目最多，达108个/mL以上；原生质体再生菌株在形态和抗生素产量上产生分化， 29.3%的再生菌株形态上保持与亲本菌株一致，具有菌丝松散，断裂分枝多的特点，其中53.2%的再生菌株多杀菌素产量变异向正方向移动，最高产量达到582.0 mg/L，比亲本菌株提高85.6%。

At first, starting point and hypothesis used to establish yield criterion of powder metals have been comprehensively and profoundly investigated and then the stress at the location of porosity has been supplementarily defined, Moreover, on the basis of Mises's yield criterion, author proves that yield surface of powder metals is a rotative ellipsoid surface in principal stress.

因此，关于粉末体塑性加工理论问题的研究，引起了人们极大的关注。本文在分析国内外大量文献基础上，着重对粉末体塑性理论中的屈服准则和流动应力进行了理论分析和实验研究。

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。