反应率

In addition, there was an activity evaluation on TiOa thin film using HA as handle objects. The results showed that TiO2 thin film had a good effect on degradation of HA, and the degradation rate could attain to 52.9% in three hours which was 18.2% higher than that of direct photolysis, but when compared to the TiO2 aqueous suspensions, the degradation rate of TiOa thin film was a little lower.

并以腐殖酸为处理对象，对TiO_2膜进行了活性评价，发现该固定TiO_2膜光催化体系对降解腐殖酸有良好的效果，反应3h，腐殖酸的降解率达52.9％，比直接光解法降解腐殖酸的效率提高了18.2％，但与悬浮态TiO_2光催化氧化系统相比，其降解效率略有降低。

The GeneFeX has little side effect and low abscission rate,and it is the best avoiding pregnancy effect.

吉妮环是三种含铜IUD中副反应小、脱落率低且避孕效果最理想的一种节育器，值得推广使用。

In comparison to three IUD containing the copper.The GeneFeX has little side effect and low abscission rate,and it is the best avoiding pregnancy effect.

吉妮环是三种含铜IUD中副反应小、脱落率低且避孕效果最理想的一种节育器，值得推广使用。

Acenaphthenone was prepared by the oxidation of acenaphthene in the presence of chromic anhydride , acetic acid and polyethylene glycol as a phase transfer catalyst under mild reaction conditions with high yields.

研究了在铬酸酐、冰醋酸和相转移催化剂聚乙二醇存在下苊的氧化反应，较温和的条件可高产率地得到苊酮。

The effect of different calcium chloride concentration, reaction time and neutralized acid on yield of tagatose was investigated by single factor tests. Results showed that the condition, such as calcium chloride (0.01～0.03 mol/L), reaction time(20～40 min), acetum, carbon dioxide, phosphate acid to synthesize tagatose was suitable.

通过单因素实验，确定了以D-半乳糖为原料进行化学法合成D-塔格糖的工艺条件为：CaCl2的添加量在0.01～0.03 mol/L，反应时间在20～40 min，并用醋酸、CO2、磷酸中和时D-塔格糖产率较高。

Thermodynamic analysis is carried out for the compound reaction system of diethyl ether and methanol from synthesis gas. The equilibrium composition and the selectivities in equilibrium are calculated for different initial compositions, temperature and pressure.

确定了合成气直接合成二甲醚与甲醇的复合反应体系独立方程数，并进行了热力学计算与分析，计算了不同初始组成、温度、压力下复合反应体系的平衡组成及平衡条件下二甲醚与甲醇的选择率。

The preparation mechanism of the product was explored through the formation of primary nuclei, the processing of autocatalytic reaction, the low atomic diffusion rate, low heat fluctuation and the spatial isotropy in reaction solution.

从初核的形成、自催化反应的持续、低温下原子的低扩散率和热涨落以及反应溶液中空间各向同性等角度对低温法形成均匀球状Ni-P纳米金属玻璃的机制进行了探讨。

The effects of solvent type,concentration of the aqueous ammonia on the yields of target compounds were studied. The different results between 2,6-diamino-3,5-dinitropyridine (and 2,6-diamino-3,5-dinitropyridine-1-oxide) and 3-nitropyridien were analyzed.

探讨了溶剂类型、氨水浓度等反应条件对目标化合物产率影响，并讨论了2，6-二氨基-3，5-二硝基吡啶(2，6-二氨基-3，5-二硝基吡啶-1-氧化物)氧化胺化反应结果与3-硝基吡啶不同的原因。

The different initiation systems affecting the graft of lignosulfonate with acrylic acid was studied in this paper.

研究了三种常用引发体系对木质素磺酸盐接枝丙烯酸反应的影响；通过比较三种接枝共聚产物的接枝率和阻垢性能，得出选用Fe2+-H2O2为该合成反应的引发体系较优的结论。

Under above mentioned conditions, the initial reaction rate and enantiomeric ratio of the reaction are 5.88 mmolL^(-1)h^(-1) and 83. After reaction time of 6h, the yield and the product e.e.

在上述条件下，反应初速度和对映体选择比分别为5.88mmolL^(-1)h^(-1)和83，反应6h，产率为47.6%，产物e.e。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！