查询词典 yield results

The results show that the optimum conditions are: the mole ratio of malonic acid to benzaldehyde 1.0:0.9, the dosage of proline 4.0% of the weight of malonic acid and the reaction time 4h, the yield of cinuamic acid is 99.0% under the optimum conditions.

实验结果表明，合成肉桂酸的最合适条件：原料比为1.0：0.9，L-脯氨酸用量为丙二酸质量的4.0%，反应时间4h，在此最佳条件下，肉桂酸的收率达到99.0%。

The results showed that in the presence of ,the monobromination had many advantages,such as rapid reaction speed,easy to operation and separation,high yield and selectivity,and so on.

实验结果表明，在离子液体[Br3]存在下，溴化反应不仅速度较快、温度缓和、操作简便，而且产物的产率高，易分离，对环境更友好。

The experiment results show that the yield of hexane catalyzed by the nano-fibrous catalyst was 4.7 times higher than that of PdCl_2/γ-Al_2O_3 catalyst. The hydrogenation ofα-tetradecylene, cyclohexene, nitrobenzol and styrene by the nano-fibrous catalyst was also studied, the selectivity to primary products of the hydrogenation of cyclohexene, nitrobenzol and styrene was 100%.

苯乙烯-丙烯腈共聚物负载纳米钯超细纤维形态催化剂在常温，氢气压力101.3Pa下催化α-己烯加氢时表现出很高的活性，催化剂PSAN-Pd10催化氢化α-己烯选择生成正己烷的产率在150 min就达到87%以上，与无机物负载的催化剂相比，加氢效果有显著提高，并且催化剂的重复使用性较好。

The same methods were used to study toluene dinitration, and the results indicated that the thermal runaway risks of these reactions were low too; prolonging dosing duration was helpful to the conversion of all nitrotoluene; decreasing the molar ratio of nitric acid to mononitrotoluene would make an insufficient conversion; among the given temperatures, rising reaction temperature couldn\'t markedly change the yield coefficient, but lead more heat generation and higher thermal runaway risk.

采用同样的方法对二段硝化反应进行研究，结果表明：二段硝化反应的热失控危险性也较低；延长加料时间，有利于反应完全；而随着硝酸与一硝基甲苯摩尔比的减小，硝化难以进行完全；在选定温度范围内升高温度，产物得率无显著变化，反而易导致放热加剧，增加体系的热失控危险。

Background: Nonoperative treatment of posterolateral knee injuries tends to yield poor results.

背景：膝关节后外侧损伤的非手术治疗疗效差。

Based on the experimental behavior and results of nonrectangular column-slab connections in present thesis, the calculating formulas for flexural strengths of reinforced concrete slab-column connection with cross-shaped column, T-shaped column and L-shaped column are derived by yield-line theory.

4在研究考察三种典型异形柱－板柱连接的冲切试验现象和结果的基础上，应用屈服线理论，对十字形柱、T形柱和L形柱下的板柱连接抗弯承载力进行了研究，提出了上述三种柱型的板柱连接抗弯承载力计算公式。

Compared with theoretical values 49.0%C,7.8%H,17.1%N the elemental analysis results of YXA2.3 that was 45.1%C,4.7%H and 11.1%N showed that oxycellulose chloride were aminated only partially in about 45%yield because of their huge molecular volume.

对YXA2.3进行有机元素分析结果为：C 45.1，H 4.7，N 11.1(理论值为：C 49.0，H 7.8，N 17.1)，其中11.1＜17.1，4.7＜7.8，这是由于大分子的特性，氧化纤维素的氯化物只部分发生的胺化。

The results showed that the yield and soluble sugar content of pakchoi were increased drastically through applying right amount organic fertilizer.

结果表明，施用适量的有机肥显著提高了蔬菜产量与可溶性糖含量。

Results showed these varieties were characterized by late matured, high plant height and panical neck length, low spikeletes density and yield per plant.

结果表明，晚熟、株高和穗颈长偏高、着粒密度和产量偏低为太湖流域糯稻地方品种的主要特征。

The false smut balls grow parasitically on panicle of rice plant, results in less yield, polluted rice and worse quality, and most important, produces toxins poisoning to human beings and domestic animals.

稻曲病不仅危害水稻穗部形成稻曲球，造成减产并污染水稻，影响水稻品质，更重要的含有对人畜有害的毒素。

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。