查询词典 conversion

A gas chromatographic method to determine the conversion of asymmetric hydrosilylation of acetophenone has been established.

建立了由气相色谱法测定苯乙酮不对称硅氢化反应转化率的定量方法，操作简便、迅速，重复性和精密度较好，多个样品各重复6次的变异系数均小于1％，且结果与1HNMR法测定结果一致。

Under the optimal conditions 1.5×10~(-3 mol/L of 22, 1.0 MPa of O_2, 120℃, 20 h, the conversion of ethylbenzene was 37.8%, and the selectivity for acetophenone and 1-phenylethynol was 82.5% and 13.5% respectively.

在22浓度为1.5×10~(-3)mol／L，氧气压力为1.0 MPa，120℃反应20 h，乙苯转化率为37.8％，苯乙酮的选择性为82.5％，1-苯基乙醇的选择性为13.5％，锰配合物23次之。

The effects of some factors, such as reaction temperature, reaction time, substrate concentration and yeast concentration, on the acetophenone conversion and- 1-phenylethanol enantioselectivity were investigated by orthogonal experiments.

研究了酵母细胞催化芳香酮的不对称还原反应，采用正交试验综合考察了反应温度、反应时间、底物浓度和酵母浓度等因素对底物苯乙酮转化率和产物1苯基乙醇对映选择性的影响。

Almost 100% selectivity to cyclohexene could be obtained when the molar ratio of acetic acid to cyclohexane was 12.9∶1 at 450 ℃, the conversion of cyclohexane was 6.9%.

反应温度为450 ℃，醋酸与环己烷的摩尔比为12.9∶1时，环己烷的转化率为6.9%，环己烯的选择性为100%。

The results showed that:(1) The relative weight gain, special growth rate, feed conversion rate, feed protein efficiency and protein deposition rate were improved significantly (P.05) by supplementing compound acidifier in common carp diet.(2) The protease activities in the liver pancreas, fore and middle intestines increased significantly (P.05) by supplementing 0.3% compound acidifier. The activities of amylase and lipase were improved after the supplementation, but not at significant level.(3) Supplementation of compound acidifier in common carp diet did not significantly affect the fish body protein, lipid, ash, moisture contents, coefficient of fatness and viscerosomatic index.

结果表明：1添加复合酸化剂显著(P.05)提高鲤鱼的相对增重率、特定生长率、饵料转化效率、饲料蛋白质效率以及饲料蛋白质沉积率等生长性能指标；2添加质量分数0.3%的复合酸化剂时，鲤鱼肝胰脏、前肠和中肠的蛋白酶活性显著提高(P.05)，酸化剂组的淀粉酶和脂肪酶活性有升高的趋势，但与对照组差异不显著；3鱼体的粗蛋白质、粗脂肪、粗灰分、水分、肥满度及内脏比等品质指标在各组间差异不显著。

Acidifier supplementation I could improve significantly average daily gain,feed conversion ratio,apparent digestibility. Acidifier supplementation II could reduce diarrhea rate. And the reason needed to be research further.

酸化剂产品Ⅰ提高羔羊的增重速度、饲料转化效率和饲料主要营养物质表观消化率的作用效果均优于酸化剂产品Ⅱ，但酸化剂产品Ⅱ降低腹泻率的效果优于酸化剂产品Ⅰ，这可能与不同产品中酸的种类、组成不同有关，其机理尚有待进一步研究。

This will improve your overall conversion ratio and lower your average customer acquisition cost.

这样做不但能够提高你的潜在客户的总体转化比例，同时还降低了平均客户取得成本。

Never stop testing different keywords and ads to improve your conversion ratio and lower your customer acquisition cost.

通过对不同版本内容的比较来改进和提高你的潜在客户的转化比例，进而降低你的客户取得成本。

A gas chromatographic analysis method was established in the study of the conversion of acrolein to 1,3-propanediol by hydration and hydrogenation.

建立丙烯醛水合加氢制1，3-丙二醇的气相色谱定性定量分析方法。

The results showed that the optimal conditions were as follows: H3PW12O40/Al2O3 exhibited high activity and selectivity at the optimal temperature 330℃ and the load content of heteropoly acid 40%, the glycerol conversion reached 100% with acrolein selectivity of 83.7%.

结果表明，由甘油制备丙烯醛的较优条件为：当催化剂为H3PW12O40/Al2O3，负载量为40%，反应温度为330℃时，丙烯醛的选择性可达83.7％，甘油的转化率为100％。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。