Based on the prepared experiments, the plastic greenhouse cleaning device structure was designed, the size was determinated, and the cleaning prototype was tested.
在预备试验的基础上，对塑料大棚清洗装置进行了结构设计和尺寸确定，并对样机进行了试验。
Ultrasoinic extraction method was used for extracting the Aloin in the A. arborescens Mill and the Aloin in the A. arborescens Mill was determinated by HPLC methods.
采用超声提取方法，对木立芦荟中芦荟苷进行了提取，并用液相色谱（ HPLC）法测定了木立芦荟中芦荟苷的含量。
Results: The three isomers of irone was speculated according to the MS _ splitting _decomposition law. Irone in two passel of Iris tectorum material was determinated.
结果：依据质谱裂解规律初步鉴定三种鸢尾酮的异构体，测定了两批原料中鸢尾酮的含量。
By the experiment, it was found that treating tomato paste with ethanol contributed to extracting Lycopene. In the meantime, the best conditions of extraction was determinated.
通过实验，发现用乙醇处理番茄酱，有助于番茄红素的提取，并确定了番茄红素最佳的提取条件。
The solubility parameter of phenolphthalein poly (ether sulfone) (PES-C) was determinated by using turbidity titration method, and estimated by using group contribution method.
采用浊度滴定法测定和基团贡献法估算了酚酞基聚醚砜的溶解度参数。
Methods Alendronate sodium was determinated by colorimetry and ninhydrin ethanolic solution was used as chromogenic agent in alakaline condition and detection wavelength was at 568.
方法在碱性条件下，以（水合）茚三酮乙醇溶液为显色剂，采用比色法测定，检测波长为568。
The regression analysis method of non stochastic process and movable control over the target area was used to assess seeding effect. The target area was determinated by diffusion equation.
利用催化剂线源扩散模式确定人工增雨作业后的目标区，并采用非随机活动对比区和目标区分层历史回归的方法估算作业效果。
METHODS The content of phillyrin in forsythia was determinated by using Soxhlet extractor with methanol, separation and purification with the neutral aluminum oxide column and HPLC method.
方法采用甲醇索氏提取，中性氧化铝柱层析分离纯化、高效液相色谱法测定连翘中连翘苷含量。
METHODS:Using microwave technique, polysaccharides of Snakegourd root were obtained by hotwater extraction and ethanol precipitation, and content was determinated with phenol-vitriolic colorimetry.
方法：运用微波技术用水提醇沉法提取天花粉多糖，用酚-硫酸比色法测定多糖含量。
METHODS:Using microwave technique, polysaccharides of Snakegourd root were obtained by hotwater extraction and ethanol precipitation, and content was determinated with phenol-vitriolic colorimetry.
方法：运用微波技术用水提醇沉法提取天花粉多糖，用酚-硫酸比色法测定多糖含量。
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