查询词典 reaction rate

In comparison with acetyl acetate method we found that in the reaction process the concentration of enol-like compound had some effect on the reaction rate.

通过与乙酰丙酮法的比较，认为在反应过程中，成环物质的烯醇型的化合物含量对反应速度有影响，烯醇型的化合物含量越高，反应温度越低。

After comparison of 30 and 50℃ treatments, AQDS were added into 3 kinds of microorganism biocoenosis from Jiling, Tianjin and Sichuan paddy soil, and it showed that AQDS could accelerate the reduction of Fe 10%-288%, meanwhile, temperature could accelerate the reduction of Fe 6%-17%. In axenic culture treatment of 6 kinds of bacterial strains from Sichuan and Jiangxi paddy soil, the maximum accumulation amount of Fe reduction rate was constant, the maximum reaction rate and ferric reduction rate of ferric strain JX-a08 all increased as temperature rose, which showed that bacterial strain JX-a08 were suitable to 50℃.

在30和50℃培养温度下，来源于吉林、天津和四川的3种水稻土微生物群落添加AQDS可使Fe还原的反应速率常数增加10%~288%，而温度变化的增加幅度仅为6%~17%；对分离自四川和江西水稻土中的6株铁还原菌的纯培养试验发现，菌株JX-a08的Fe最大累积量、还原速率常数、最大反应速率及铁还原率均随培养温度的升高明显增加，表明菌株JX-a08更适于在50℃下生长。

RESULTS: The total excellent response rate was 83.0%. The total effect rate on pustule and papule was 96.1%and 80.7%respectively. The adverse reaction rate was 1.9%.

结果：复方克林霉素搽剂治疗寻常痤疮，4 wk总显效率达83.0%，对脓疱和丘疹的总有效率分别为96.1%和80.7%，不良反应率为1.9%。

There are exponential functions between the reaction rate constants and electrode potential, NaCl concentration respectively, while the rate constant and initial dye concentration are related with the reciprocal function. Furthermore, the decoloration rate was reduced obviously by high temperature.

脱色反应符合一级动力学，反应速率常数分别与阳极电位、氯化钠浓度存在指数函数关系，与染料初始浓度存在倒数函数关系；高温明显降低脱色降解反应速率。

The rotating disc of Cu has been used to study the kinetics of Ag cementation on metallic Cu in ammoniacal solution. Two stages of reaction rate were found in this cementation process, i.e., an initial slow rate and a second enhanced rate.

用Cu的旋转圆盘研究了氨性溶液中Cu置换Ag的动力学，观察到有两段反应速率，即初始段反应速率慢和第二段反应速率增快。

The metabolic confuse sth with sth else of the shift that will not balance and rate rises, if think chemistry balances Xiang Zheng to should move instead, so reacting rate greatens, the view of decrescent of reverse reaction rate is wrong.

不要将平衡的移动和速率的变化混同起来，假如认为化学平衡向正反应移动，那么正反应速率变大，逆反应速率变小的说法是错误的。

Study the first phase of this experiment by kinetic method, it shows this reaction isfirst-degree reaction. At 32℃,34℃,36℃and 38℃, each constant of reaction rate is 0.0042,0.0052, 0.0098 and 0.0146, and the constant of dynamics is pyramided by the hoist oftemperature.

第一阶段化学反应为一级反应，在32℃、34℃、36℃和38℃的化学反应速度常数分别为0.0042、0.0052、0.0098、0.0146，随着温度的升高，化学动力学常数逐渐增大。

Experimental results show that the reaction between hydrochloric acid and sludge under airtight condition is an equilibrium reaction, the reaction rate decreases exponentially with the increase of the initial pressure, the system gelling time increases with the decrease of the pH value, and the plugging performance of the waterglassgel enhanced foam system is superior to that of ordinary foam system due to the small foam diameter and high interfacial film strength.

实验结果表明：盐酸与污泥的反应在密闭条件下是一个平衡反应，且其反应速度随初始压力的增加呈指数降低；体系的胶凝时间随着pH值的降低而增加。由于体系的泡径小，界面膜的强度高，因而水玻璃凝胶增强泡沫体系的封堵效果明显优于普通泡沫体系。

The reaction between ammonia and carbon disulfide is a parallel one. Solvent affects the reaction mechanism and reaction rate.

不同溶剂条件下产物的定量分析证实了二硫化碳和氨反应中的溶剂效应。

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。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。