方法研究

The dehydration technology of bischofite by butanol complexation distillation was studied by such methods as X-ray diffraction and elementary analysis.

摘 要：采用X射线衍射及元素分析方法研究了水氯镁石的丁醇络合蒸馏脱水工艺。

It is studied further that the dissolubility of the bismuthous sulfide in the solutions of the non-oxidative strong acid through the experiment by means of chemical thermodynamics.

运用化学热力学基础理论和方法研究了硫化铋在无氧化性强酸和可溶性碱金属卤化物溶液中的溶解性。

The effects of ESPS before and after degradation on crystal growth of calcium oxalate were investigated in vitro. The size and number of CaOxa crystals induced by degraded ESPS were much smaller than those of the undegraded polysaccharide, and the edges and angles of the former were much rounder and blunter.

同时，用体外模拟方法研究了降解前后ESPS对草酸钙晶体生长的抑制作用，降解后的ESPS明显优于未降解多糖，其诱导生成的一水草酸钙晶体尺寸进一步减小，晶体数量减少，且棱角更为圆钝。

Polymorphisms of major surface proteins of Borrelia burgdorferi.

清除莱姆病螺旋体培养物中杂菌的方法研究。

By Using SDS-PAGE gel electrophoresis inorder to study the expression of crystalline in lens regeneration of Bufo Raddei Strauch Tadpole.

用SDS-PAGE电泳方法研究再生过程中晶状体蛋白的表达。

The role played by organic templates such as butylamine, 1, 6-hexanediamine and ethylenediamine in the synthesis of zeolites was investigated by means of molecular dynamic and Monte Carlo simulation.

利用分子力学，蒙特卡罗模拟以及密度函数理论等方法研究了模板剂在分子筛合成过程中的作用及其对沸石性质的影响。

The effect of organic acids on the transformation of phosphorus in calcic fluvo-aquic soil was studied under incubation and pot culture condition.

采用室内培养和化学分析的方法研究了几种有机酸对石灰性潮土无机磷形态转化的影响。

The effect of thermal history on the melting behaviors of nylon 1212 has been studied by differential scanning calorimetry.

利用DSC方法研究了不同热历史条件对尼龙 1212熔融行为的影响。

Polarizing microscopy and differential scanning calorimetry were used to study the effect of carbon fiber on the crystallization of polypropylene.

本文用偏光显微镜和示差扫描量热计方法研究了碛纤维对聚丙烯结晶行为的影响。

The biological and ecological characteristics of Carex pseudocuraica ramets in Sanjiang plain were studied with the methods of artificial simulation in natural wetland.

采用自然湿地人工模拟的方法研究了三江平原沼泽湿地漂筏苔草的生物生态学特性。

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。