方法研究

And the electroreduction process of nitrobenzene on WC powder electrode in basic solution is investigated by cyclic voltammetry, linear potential sweep and chronoamperometry. In the process of electroreduction of nitrobenzene on WC powder electrode, liquid phase mass transferring may be the control step.

并且也用循环伏安、线性扫描和恒电位阶跃等测试方法研究了碳化钨粉末电极在碱性介质中析氢和还原硝基苯的电化学特性，发现碳化钨在电催化还原硝基苯过程中，可能主要受反应物的液相传质控制。

In order to understand the effect of the different nitrogen sources on Cu uptake, accumulation and growth of Elsholtzia splendens, nutrient solution culture experiment was conducted to compare two nitrogen sources NH4NO3 and (NH42SO4 on growth of E.splendens at three different Cu levels (Control, 50, and 200 uM).

采用营养液培养的方法研究两种氮源（NH4NO3与(NH4)2SO4）对海州香薷生长及体内铜吸收和积累的影响。

The degradation kinetics of acetamiprid,including 20% water soluble powder and 3% emulsifiable concentrate,in cotton and soil was studied under field conditions.

应用GC-ECD测定，采用田间试验方法研究了20%啶虫脒可溶性粉剂和3%啶虫脒乳油在棉花和土壤中的残留消解动态，并对其在棉花上使用的安全性提出了建议。

In the present study, the ependymal tanycytes of the third ventricle in preoptic region of rat were investigated using NADPH-diaphorasehistochemistry.

应用NADPH-d组织化学方法研究了大鼠第三脑室视前区室管膜的伸展细胞。

Based on the determination of macroscopic epicentral location, the distributive characteristics of landslides with differnt scale were researched by using maximum epicenter distance method and a linear distribution rule are obtained.

在确定宏观震中位置的基础上，采用最大地震滑坡震中距方法研究了不同规模滑坡的分布特点，并得到了线性分布的规律。

In order to study the physiological basis of dormancy relieving with low temperature in Fritillaria thunbergii,isoperoxidase changes of bud,adaxial epiderm and inner tissues in scale were assayed by means of electrophoresis over the course of dormancy relieving.

中文摘要：为了探讨浙贝母低温解除休眠的生理机制，利用电泳方法研究了芽、鳞片近轴面表皮与鳞片内部组织3个部位在休眠解除过程中过氧化物酶同工酶的变化。

Using ethyne as source gas, CNTs were successfully synthesized by CVD method. By comparing different synthesis technics, the influences of parameter to the grow of CNTs, such as catalysts, growth time, reaction temperature and ratio of all kinds of carrier gases were investigated. The results showed that the influence of carrier gas, reaction temperature, and the growth time on synthesis of CNTs was significant. In conclusion, a better condition for carbon nanotube growth was obtained. Through analyzing Raman Spectrum of samples, GM and SWNTs' characteristic peak-RBM was indicated.

采用乙炔为碳源、氢气和氩气为载气，利用气相催化热解法在AAO模板上成功的制备出了纳米碳管，用TEM，SEM，EDS，Raman等表征方法研究了生长温度、裂解时间、载气含量和不同催化剂对碳纳米管的石墨化程度、产物形态的影响，指出了单壁碳纳米管的特征振动模式—径向呼吸振动模以及拉伸振动模式G模，缺陷导致的D模，并采用蒸金后的样品进行了场发射的测试，得到了F-N曲线，与理论符合较好。

The results of DSC show that drastic exothermal reactions take place during the course of heating, which indicates that some new phases are formed.

运用热分析方法研究了一定量的钛粉、碳化硼粉与碳粉的混合粉末在加热过程中的反应情况。

The motive of developing multi-parameters tomography combining velocity and attenuation is to improve explorational resolution to expect efficacious utilize of crosswell seismic data and fully exert the technological capability.

开展波速、衰减因子等多参量成像方法研究，以最大可能提高勘探分辨率为目标，以期更加有效地利用井间地震资料，充分发挥该技术的能动性。

The characteristics of the acoustic response of AⅠneurons to the frequency of pure tone were investigated with extracellularly recording.

使用微电极在体胞外记录方法研究了SD大鼠AⅠ区神经元对纯音频率的反应特征。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。