查询词典 yield results

The results showed that: the zinc powder could be used to reductively dechlorinate pentachloropyridine to tetrachloropyridine with its yield about 20%. Under the catalytic effect of silver, the dechlorination efficiency of pentachloropyridine was greatly improved.

实验结果表明：反应温度为60 ℃时，单一锌粉能够对五氯吡啶进行还原脱氯生成四氯吡啶，但是收率不高，只有20%左右，在银的催化作用下，四氯吡啶收率得到了很大提高。

The results demonstrated that watergathering of plastic ridging and furrow drilling was effective, senescence of winter wheat was prevented in some extent, had a obvious effect of yield increase and economic increase, and WUE of it was higher than that of conventional flat planting wheat and ridging and furrow drilling wheat.

研究结果表明，与传统平作和起垄沟播相比，起垄覆膜沟播具有较好的聚水保墒效果，一定程度上延缓了小麦的衰老进程，具有明显的增产增收效果；而且水分利用效率明显高于传统平作小麦和起垄沟播。

ResultThe results of laboratory identification and rural productive test in Jiangsu Province show that it has excellent feeding habit, strong stress resistance, high yield, excellent silk quality and excellent fecundity. The new silkworm variety "Yesanyuan" had been approved by Silkworm Variety Evaluation Commission of Jiangsu Province in 2008, it is suitable to rear in Yangtze River catchment for Spring and Autumn, North sericultural area for all-year.

结果］经江苏省家蚕新品种实验室鉴定和农村生产试验表明，具有食性优、抗逆性强、产量高、茧丝质优良、繁育性能优的特点，并定名为&野三元&。2008年通过江苏省家蚕品种审定，适宜长江流域春、秋季及北方蚕区全年饲养。

The results show high selectivity when the temperature is controlled at 50 CC , and the nitrated reaction time is 90 mm, toluene is nitrated by using 95% nitric acid as nitrating reagent at the presence of acetic anhydride, 1.0g silicotungstic acid catalyst is calcinated at 300℃ for 1.5h. The o/p (ratio of ortho to paro isomer of toluene nitration) ratio is 0.89 in product distribution of toluene nitration, lower than 1.67 using sulfonitric acid as catalyst. The yield of products is 91.6%.

结果表明，在醋酐存在条件下，以CCl4为溶剂，以质量分数为95%的硝酸为硝化剂，反应温度控制在50℃，反应60 min， 1.0g经300℃焙烧1.5h后的硅钨酸催化剂，对甲苯表现出强的区城选择性，甲苯硝化产物o/p值（甲苯硝化产物邻位和对位异构体的质量比）达0.89，较硝硫混酸的1.67显著降低，产物收率达到91.6%。

The yield, chemical components and relative contents of essential oil extracted from Eupatorium adenophorum Spreng by Soxhlet extraction and steam distillation were compared. The volatile chemical constituents of essential soil extracted were analyzed by Gas Chromatography-Mass Spetrometry. The results showed that the constituents of the volatile from the same plant and the relative contents were significantly different due to different extraction methods.

采用索氏提取器及水蒸气蒸馏两种方法对采于不同时间、不同产地的紫茎泽兰Eupatorium adenophorum Spreng挥发性成分进行了提取，比较了两种方法的得油率、化学组成及其相对含量；采用GC-MS联用技术对其中的挥发性成分进行了分析。

Experimental results show that resistance strain relationship of TiNi superelastic wire was linear in constant temperature and TiNi superelastic wire has higher yield stress during restrained recovery.

结果表明，在恒温拉伸过程中TiNi超弹丝的电阻变化率与温度呈近似线性关系，在卸载过程中TiNi超弹丝表现出较大的屈服应力。

The results showed that adding the external tannase can improve the micro-filtration efficiency and the yield rate of micro-filtrated liquor,and the micro-filtration process is benefi...

结果表明：外源单宁酶的加入能有效提高微滤工效和微滤液的生化得率，微滤过程有利于单宁酶酶促反应朝产物方向进行。

Comparing Ce /Ce with Mn/Mn oxidative medias, we learned that:①A better results could be achieved using Ce than using Mn as oxidant to prepare benzaldehyde and tolualdehyde from toluene or xylene with the product\'s yield 10%～15% higher;②Mechanisms of the two electrooxidation reaction were different from each other.

二者的电解氧化反应机理有所不同，Ce由Ce直接电氧化得到，而Mn则是由Mn间接电氧化获得，且前者电解氧化所需的硫酸浓度仅为后者的十分之一。

Dixon transamination of oligopeptides and insulin results in the formation of a fluorescent derivative having emission maximum about 398-408nm with 0.02-0.03 quantum yield by the excitation at 3l2-333nm depending on the nature and length of the peptide.

短肽及胰岛素的N-末端经Dixpn转氨后具有荧光发色性质，其激发与发射波长随肽链氨基酸残基的种类和数量的不同而有差异，其范围大约为Ex 312—333nm；Em 398—408nm；量子产率为0.020—0.03。

The results also show that as the hardening coefficient decreases, the transitionally zone becomes larger and the distribution of the stress in the yield zone becomes more plat.

本文的结果还表明，硬化系数越小，过渡区(弹塑性奇异应力场支配区到屈服边界)越大，屈服区域应力分布变得平坦。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。