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The influence of acetone concentraion and temperature on the metastability has been investigated.

实验考察了丙酮浓度和温度对溶析结晶介稳态的影响。

The influence of PEG and acetone on the photochemical synthesis of Pd nanoparticles was investigated, respectively.

研究了各种组分的影响，探讨了体系中Pd的快速光化学还原和纳米Pd粒子的稳定性机理。

Influence of active components in the catalyst and acetonitrile hydrogenation condition on behaviors of the catalyst and stability of the catalyst were investigated.

研究了催化剂活性组分和乙腈催化加氢工艺条件对催化剂性能的影响，并考察了该催化剂的稳定性。

A new way of synthesis 2-methoxy-4'-trifluoromethyl acetophenone by the method of crossed ester condensation was investigated in the overall yield of higher than 85%.

本文提出了一种新的方法——交叉酯缩合法合成2-甲氧基-4'-三氟甲基苯乙酮。

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。

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。

Adsorption and desorption of acetylene on HZSM-5 and NaZSM-5 zeolites were investigated in the presence of trace water.

在80℃下，NaZSM-5上乙炔的饱和吸附量约为HZSM-5上的5倍。

Methods In our research, sixteen patients diagnosed as achalasia of the cardia were investigated after local annular injection.

方法对16例贲门失弛缓症的病人进行窥镜下肉毒毒素环形点注后临床观察。

Using the OMA optical multi-channel spectrometry , CCD(1152×1242) camera detect equipment and achromatic aberration camera lens for spatial distinguishing, we carried out the experiments to measure the one- dimension fine structure spectrum of 20 harmonics,and then investigated primarily the measurement system of scattering light.

实验采用OMA光学多道分析谱仪(谱分辨0.1nm )加CCD1152(1242相机探测设备，用消色差的相机镜头作为空间分辨，测量20谐波的一维精细结构谱，对利用散射光测量系统进行了初步探索研究。

The effect of ratio of hydroxyl acid, amount of catalyst and reaction time to the yield of sioamyl propionate were investigated.

探讨了醇酸物质的量比、催化剂用量、反应时间对丙酸异戊酯产品收率的影响。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了