转化效率

日粮中添加柠檬酸和复合酸则可显著提高饲料转化效率11－15%（P＜0.05）；

Addition of citric acid and acid blend to the diet improved the feed conversion efficiency 11 ￣ 15 % ( P < 0.05 ) .

燃料电池（Fuelcell，FC）作为可再生清洁能源的一种重要形式，具有能量转化效率高、无污染等优点。

As an important renewable clean energy source , fuel cell ( FC ) exhibits many advantages such as high energy conversion efficiency and near-zero emission .

受体细胞经20μg／ml氨苄青霉素处理1h，可以提高转化效率200倍。

Treatment of the recipient Lactobacilli with ampicillin improved electrotransformation efficiencies up to 200 fold .

比较其转化效率，结果基因组DNA转化率大于基因两个片段的共转化率，更大于不加携带者DNA的共转化率。

These phage DNAs are in pairwise combinations and divided into two groups-with or without carrier DNA during the process of cotransfection .

DSC光电转化效率受阳极材料，染料，电解液，对电极以及封装工艺等诸多因素的影响。

The photovoltaic efficiency of DSC is affected by anode , electrolyte and cathode .

经方差分析ADG各组间无显著差异（P＞0.05），饲料转化效率各组也较一致。

There was no significant difference ( P0.05 ) in ADG and feed conversion among groups .

本文通过把W掺杂到TiO2中，改良TiO2的光电性能，从而使DSSC的能量转化效率提高。

In this thesis , photovoltaic performances of DSSCs are improved when W is doped into TiO2 .

主要是各种限制性内切酶的酶切效率、PCR产物的克隆效率、转化效率。

This mainly includes the digestion efficiencies of the vector by restriction enzymes , the cloning efficiency of the PCR products and the transformation efficiency .

空燃比特性结果显示该催化剂对CO的转化效率较高，都保持在90%以上。

The results of air-fuel ratio characteristics show that the conversion rate of CO is high , and the conversion rate maintains at above 90 % .

流感病毒RNA聚合酶PA亚基重组质粒pQE32-PA-2转化效率的实验研究

The Experimental Investigation of the Transformative Efficiency on Recombining the Molecule of Genes of the RNA Polymerase PA Subunit in Influenza Virus

催化器对乙醛、乙醇和MTBE的转化效率相对较低。

The catalytic conversion efficiency to acetaldehyde , ethanol and MTBE are lower .

日粮添加22.5mg／Kgbw的半胱胺显著降低绵羊的采食量（P＜0.05），对饲料转化效率没有显著影响。

22.5 mg CS / kg BW significantly decreased daily feed intake ( P < 0.05 ), but had no influence on feed conversion rate .

而采食量，饲料转化效率，皮肤的宽度和血清生化指标在我们的试验过程中并没有受到显著影响（P0.05）。

However , the feed intake , feed efficiency , skin width and serum biochemical parameters were not affected in our study ( P0.05 ) .

同时UV-B辐射植株叶片有较低的光能转化效率，其较对照低39.1%，叶片亦含有较低的叶绿素含量。

The UV B treated plants also had lower efficiency of light energy conversion and chlorophyll content .

饲料转化效率（F/G）随着环颈雉周龄的增长而降低，在适宜饲粮蛋白质水平下随着CP的提高而提高。

Feed conversion ratio ( F / G ) was lower with increased weeks of age and was raised with increased cp level .

本试验研究了半胱胺（CS）对绵羊增重、饲料转化效率的影响。

The experiment was conducted to examine the effects of cysteamine ( CS ) on body weight gain and feed conversion rate in sheep .

刺参初始体重与其后继生长、摄食率和食物转化效率具有密切的正相关性（P0.05）。

The final body weight , food intake and food conversion efficiency for each sea cucumber were generally positively correlated with their initial body weight ( P0.05 ) .

在方案（1）的基础上，本部分实验还考虑了NO、SO2对彼此转化效率的影响，并将其结果与方案（1）的结果进行了比较。

On the basis of experiment ( 1 ), the influence relations between NO and SO2 on conversion efficiencies were also investigated .

对感受态细胞的存储时间及其与转化效率之间的关系也进行了研究，结果显示感受态细胞可以在-20℃存储7d，在-70℃存储15d。

The storage time of competent cells and its correlation to transformation efficiency were studied .

一种改进大肠杆菌DH5α转化效率的方法

A Method to Improve the Transformation Efficiency of E.coli DH5 α

整个海区100m以上水体的次级生产力平均为72.9mgC·m-2·d-1。同时计算了初级生产力与浮游动物的次级生产力的营养传递的效率，平均转化效率为18%。

The average transformation efficiency estimated from primary productivity and second productivity was 18 % .

研究金刚石车削参数主要是为了提高KDP晶体的频率转化效率。

Study on parameters of the diamond cutting major raise the frequency of KDP crystal to change efficiency .

利用PCR反应得到了26个水稻蛋白激酶的编码序列；为了提高同源重组的效率，降低引物合成的成本，试验采用两次PCR方法使重组位点达到50bp，明显提高了转化效率；

And 26 encoding sequences of these kinases were obtained through two rounds of PCR , enhancing the efficiency of transformation ;

H2的转化效率强烈依赖于预混气的当量比，选择合适的当量比是提高转化效率的关键。

H2 conversion efficiency is strongly dependent on the equivalence ratio , when suitable equivalence ratio is the key to improve conversion efficiency .

研究了PEMFC的电极过程特性以及对电池能量转化效率和热源的影响。

The characteristics of the electrode process and its effects on energy transfer efficiency and the heat sources of PEMFC were studied .

草鱼胰蛋白酶有高的生理转化效率Vmax/Km，有低的Arrhenius活化能值（Ea）。

Trypsins from Grass carp have high physiological efficiency of Vmax / Km and low Arrhenius activation energy ( Ea ) .

但是目前EHD等离子体发生器的能量转化效率仍然很低。

However , until now the converting efficiency of EHD plasma actuator is quite low .

实验结果表明，提高脉冲峰压、脉冲频率、增加放电电极数目、停留时间可以显著提高NO、SO2转化效率，提高烟气湿度可以大大提高SO2的转化效率，但对NO的转化具有抑制作用。

The results indicate that NO and SO2 conversion efficiencies increase with increasing pulse peak voltage , pulse frequency , electrode number and residence time .

将硫化物及复合材料分别用于DSC对电极材料，获得了较高的能量转化效率，同时也降低了DSC电池的制作成本。

Sulfides and their composite materials are used as counter electrode materials of DSC . We have obtained higher energy conversion efficiency , reducing the costs of DSC .

基于TiO2的染料敏化太阳能电池，因其制作简单、成本低廉和高的理论转化效率而引起研究人员的广泛关注。

The dye-sensitized solar cell ( DSSC ) based on TiO2 have been attracted much attention because of easily fabrication , low cost , and high theoretical conversion efficiency .