前后的

The acidity of each of these catalysts before and after calcination is determined respectively by several k...

每个催化剂在陪烧前后用几种已知的方法来测定酸性。

The effect of six chemical disinfectants of different quality concentrations, namely, povidone iodine、dibromohydantoin、formalin、trichloroisocyanuric acid、calcium hypochlorine and sodium hypochlorite, on the species and quantities of plankton in cultured water were studied.

采用不同质量浓度的聚维酮碘、二溴海因、福尔马林、富氯、漂粉精和次氯酸钠等6种化学消毒剂，对蓄水沉淀池养殖海水进行消毒处理，处理前后分别测定浮游生物种类和数量变化。

Objective To study the changes of the fatty components of Arteisia frigida before and after carbonization.

目的对阿给炒炭前后亲脂性成分的变化进行探讨。

Cardiac systolic and pumping function was measured before and after experiment with electromechanical cardiograph and impedance rheogram.

采用心电机械图法和阻抗法测量锻炼前后心脏的收缩功能与泵血功能。

Methods Ultrasonic cardiography and viodeotaping were used to measure cardiac functions of 68 healthy children before and after 2 different work load tests.

应用超声心动图及录像仪测定68例健康儿童在2种不同运动负荷前后心功能各项指标的变化。

The temperatures between 38℃～40℃were used for observing the change of ECG,vector cardiography and the QT dispersion before and after the treatment course.

用38℃～40℃浴温观察了疗程前后心电图、心向量图及Q-T离散度的变化。

Methods:In clinical study,100 bronchial asthma children in catabasis are randomly divided into 2 groups,treated with Fang Xiao Mixture and ketotifen.We observe the change of the children's spulmonary function and laboratory examination.

临床研究将100例哮喘缓解期儿童随机分为2组，分别给予防哮合剂及酮替芬口服，观察用药前后患儿肺功能及实验室检查的变化。

The analyses of XRD,Zeta potential,SEM,EDS and low voltage cathodoluminescence were conducted for investigating the crystal structure,potential,morphology and luminescence properties of coated and uncoated Y_2O_3∶Eu.

通过XRD，Zeta电位，SEM及低压光谱分析等检测手段分析了包膜前后Y2O3∶Eu的晶体结构、电位、形貌与发光性能，探索了包膜工艺。

Objective To investigate the changes of serum CEA,CA125 levels after operation in patients with ovarian cancer.

目的探讨了卵巢癌患者手术前后血清CEA、CA125水平的变化。

Shifters activate the front and rear derailleurs setting off the motion of the chain from one gear to the other.

转换器激活前后derailleurs掀起的议案获得通过链从一个设备到另一个。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。