Cryoscopy is obtained by classical chemical methods.
冰点是由经典的化学方法获得的。
The advantages and disadvantages of typical chemical methods were analyzed.
阐述了常用的化学方法改性的优缺点。
Vector control is implemented using environmental management and chemical methods.
媒介控制可通过环境治理和化学方法来实现。
The physical and chemical methods are relatively mature but they have some shortcomings.
物理和化学方法的工艺技术都比较成熟，但也存在着一定的不足。
The boasted batch agglomerations with resistance furnace are analyzed with chemical methods.
在电阻炉中焙烧烧结小饼，采用化学方法对烧结饼进行分析。
The preparation methods of metal nanocatalysts include chemical methods and physical methods.
纳米金属催化剂的制备方法包括化学法和物理法。
The combining measures of physical and chemical methods can be adopted for control the disease.
采取物理方法和化学方法相结合可有效控制该病的发生。
Humic acid was extracted from paddy soil, and was characterized by physical and chemical methods.
从土壤中提取腐殖酸样品，并用物理和化学等方法对其进行了表征。
Method: Density investigation: stick catch; Chemical methods: applying high effect cockroach bait.
方法：密度调查采用粘捕法，化学防制采用高效灭蟑毒饵。
An additive for matt pure tin electroplating was developed by electrochemical and chemical methods.
运用电化学和化学方法开发了一种亚光纯锡电镀添加剂。
A comprehensive analysis on the oil dose is conducted through chemical methods and IR spectroscopy.
运用化学法和红外光谱法(IR)等手段对该油剂进行了全面的剖析。
The series equipment is used in physical and chemical methods to separate metallic and non metallic.
该系列设备是用物理和化学的方法把金属和非金属分离开来。
Alcohol dehydration of citrate solutions is one of the chemical methods for praparingceramic powders.
柠檬酸盐溶液酒精脱水法是化学制备陶瓷粉料的一种方法。
One way of identifying a substance without resorting to fiddly chemical methods is to determine its density.
其中一种不用高精度的化学方法验证物质的办法就是确定它的密度。
Several specific geophysical, geological, and chemical methods are presently used for earthquake prediction.
目前我们一般用地球物理学、地质学和化学方法进行地震预测。
One way to identify a substance without resorting to fiddly chemical methods is to determine its density.
要分辨一种物质，可以用密度测量法。而无须借助费事繁琐的化学分析法。
Hair removed from the raw hide through the process of Unhairing can be resolve into protein by chemical methods.
在皮革工业过程中，从原料皮上脱下来的毛发可以用化学方法把它们分解成角蛋白。
This article talks about the New Curriculum observation and evaluation of teaching some of the chemical methods.
本文主要谈新课程背景下化学讲评课教学的一些方法。
Research is needed on chemical methods to accelerate the natural weathering process by which minerals form carbonates.
需要就化学方法加快矿物转化为碳酸盐的自然风化过程进行研究。
Many physical and chemical methods could be used to study the effects of soil fauna on litter decomposition in forests.
可以通过物理的或化学的方法研究土壤动物对凋落物分解的影响。
The advantages and disadvantages of ammonia removal by biological, chemical and physical chemical methods are analyzed.
简要分析了生物、化学、物理化学三类除氨方法的优缺点；
The most commonly used gene delivery methods include: physical method, chemical methods, fusion method and gene gun etc.
目前基因转运方法有许多种，其中包括物理方法、化学方法，融合法，基因枪等。
Using enclosure ecosystem bags, the control of algal overgrowth with chemical methods is studied in eutrophic Chaohu Lake.
本文报道了在湖泊现场用围隔生态系统对藻类进行化学控制的研究。
The direct means include physical and chemical methods, but biological method means to apply vegetation for algae control.
物理法和化学法是除藻技术的直接手段，而生物法是通过生物对藻类的控制来达到控藻的目的。
Biodegradable polyesters are polymer materials, they can be synthesized by chemical methods, enzymatic-catalysis and ferment.
生物可降解聚酯是一种新型高分子聚合材料，可通过发酵、化学方法和酶催化来合成。
Methods: Chemical Methods Maitong particles quality control and stability studies and the control method to clinical observation.
方法：以化学方法对脉通颗粒进行质量控制和稳定性研究，并以对照法进行临床疗效观察。
This indicates that NIRS is comparable to chemical methods in both accuracy and prediction and is reliable in practical application.
由此可见，用近红外光谱法测定棉籽粉的油分具有与化学法相近的准确性和精确性，可以在实践中应用。
This indicates that NIRS is comparable to chemical methods in both accuracy and prediction and is reliable in practical application.
由此可见，用近红外光谱法测定棉籽粉的油分具有与化学法相近的准确性和精确性，可以在实践中应用。
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