实验法

In this paper,acetanilide,adipic acid and potassium hydrogen phthalate were chosen as additives to advance polyvinyl chloride to crystallize. The effects of compress mold,annealing temperature and time,additive property and loading on the crystallization,microscopicmorphology and mechanical properties of PVC were studied by means of wide angle X-ray diffraction,differential scanning calorimetry,fourier transform infrared spectrophotometer,scanning electron microscopeand tensile test.

本文利用乙酰苯胺、己二酸和邻苯二甲酸氢钾作为聚氯乙烯结晶改性的添加剂，通过广角X-射线衍射法、差示扫描量热法、傅立叶转换红外光谱、扫瞄电镜和万能电子实验机研究了热压、热处理温度和时间、添加剂结构和质量分数对PVC结晶、微观形态和宏观机械性能的影响。

The main collagens in skin are type I and III. In this research, total collagens were separated from rat skin by enzymatic digest and acetum methods. The collagens were denatured at 60℃ and digested with trypsin. Characteristic peptides typical for collagen type I and III were identified with high performance liquid chromatography/mass spectrometry.

哺乳动物皮肤真皮中胶原蛋白含量约为70%，主要为是I型、III型胶原蛋白，本实验利用稀酸溶解和酶法提取了大鼠皮肤中的总胶原蛋白，将胶原蛋白粗提品在60℃变性后用胰蛋白酶进行降解，液相色谱/质谱联用法分析了两种胶原蛋白的特征多肽，利用特征多肽比较了不同生长期大鼠皮肤中I型和III型胶原蛋白相对含量。

From the experiment's data, before sampling I have analysed the shortage of the ACCUSTAR angle sensor, plot its error curve and established linear drawing up to match to correct it. Then I will adjust it to zero and set a mark before using it, and improve the examining environment.

本课题研究了此倾角传感器的具体特性，从实验数据着手，先是分析了传感器本身的物理缺陷，描绘出了它的非线性特征曲线，并制定了专门修正它的线性拟合修正法；其次是在使用前，在检测现场对传感器进行了调零和定标，并且对实验现场的环境进行了改善。

The adding of anatase nano-crystalline TiO_2 to the deposition solution accelerates the depositing of TiO_2 articles from the deposition solution on the silica glass fiber. A well-combined and durable TiO_2 thin film on silica glass fibers surface obtained by controlling the deposition temperature, deposition time, deposition cycles, concentration of the deposition solution, relative concentration of the deposition materials, pH value of the deposition solution. The effect of the deposition conditions, the drying conditions and the annealing treatment conditions on the surface morphology, section morphology, growth patterns, thickness of the deposited TiO_2 thin films were investigated. Growth rate and particle size of the thin films were controlled by the deposition conditions.

实验结果表明加入微量的锐钛矿型纳米TiO_2诱导晶可以使沉积液中析出的TiO_2粒子更大程度的以锐钛矿型纳米TiO_2粒子的形式析出；通过对沉积温度、沉积液中组分浓度及相对浓度、沉积溶液的pH值的调节与控制，从而控制沉积溶液中化学反应平衡的移动，研究了以上条件对沉积速率、沉积溶液中[Ti6]2–与—OH、[Ti6]2–之间的脱水聚合反应速率的影响，总结出了获得均匀致密质量较好的TiO_2薄膜的一系列实验参数，并对薄膜的生长模式进行了系统的分析研究；通过对沉积时间及沉积次数的分析，可以有效的控制TiO_2薄膜的厚度及质量；通过对薄膜的干燥条件及热处理条件的控制，可以使利用液相沉积法获得的TiO_2薄膜进一步晶化；并分析了对薄膜引起缺陷的主要原因。

Revised and improved in this work are, the apparatus used to measure the critical parameters, vapor pressure, saturated liquid and vapor density; the Burnett apparatus used to measure the PVT properties; the apparatus used to measure the surface tension and the sealed capillary viscometer.

研制了新的临界参数与饱和蒸气压测量装置、 Burnett 法测量 PVT 性质装置等；改造了现有的表面张力与粘度测量等实验装置；对二甲醚的热物理性质进行了详细的实验研究。

Based on the comprehensive researches on the related fields and two years elaborate preparation, the first modulation experiment of precise torsion balance was completed.

在全面调研历史上关于光子静止质量的各种实验检验和理论分析方法以及与光子静止质量相关理论的基础上，经过两年多的准备，作者于2002年首次采用精密扭秤调制法完成了光子静止质量的实验检验，数据分析结果给出光子静止质量的上限为1.2×10-51克。

Through the test on physical properties of snow and ice, the free-area ratio, the snow-melting velocity and the snow-melting time, the melting behavior of snow and ice under different weather conditions are obtained and compared with simulated results.

在此基础上，提出了一种有利于系统节能的折中加热方案。3道路融雪实验研究建立了一个小型道路融雪实验系统，采用基于径向热流的直接加热法获得了水泥混凝土路面的导热系数，并初步分析了含水率对路面传热过程的影响。

LabVIEW 7.0 Express-based program for determining second-order reaction rate constant by electric conductivity is designed. It can process the data with both equality and inequality of initial concentrations, avoiding complex process of manual processing data and personal error produced in data processing by handwork and improving veracity and repeatability of the experiment results.

研制了基于LabVIEw 7.0 Express的处理电导法测定二级反应速率常数实验数据程序，对反应物初始浓度相等和不等条件下均可处理，避免了人工处理数据的复杂繁琐过程及人工处理过程中的人为误差，提高了实验结果的准确性和重现性。

From electrolyte concentration, electrolyte temperature, voltage, timing, additive, the effect of anodizing oxidation on the quality of surface treatment are discussed, From hole sealing liquid composition, pH, timing, the effect of hole sealing on the quality of surface anodizing treatment are examined.

因铬酸盐氧化存在对环境不同程度的污染，所以在实验过程种又研究选用了一些无铬化学氧化法，通过实验对比了它们的优点和缺点。

This article describes in detail the principle of magneto-optical Kerr effect, magneto-optical Kerr measurements, as well as the law of experimental apparatus, but also introduced the instrument in the experimental device characteristics.

本文较详细的介绍了磁光克尔效应的原理，测量方法以及磁光克尔法的实验装置，也介绍了实验装置中的仪器的特点。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。