Objective:To study the chemical components in the leaves of carya cathayensis and Carya illinoёnsis nsis by preliminary test.
方法:采用化学成分系统预试法,分别对山核桃叶和美国山核桃叶的水提取液、乙醇提取液和石油醚提取液进行研究,通过多种指示剂和显色剂的颜色反应或沉淀反应,初步推断两种植物叶中可能含有的化学成分。
The pretesting result indicates that the toxic dosage of pollen polysaccharides is between 2.
预试结果反映花粉多糖的急性毒性剂量介于 2 5～ 5g kg之间。
Objective To explore the active constituents in different parts from the root,stem and leaf of Zantedeshia aethiopica by pre-experiment.
目的通过预试验,研究马蹄莲根、茎、叶三个部位可能的化学成分,以寻找有效成分的主要存在部位。
Analysis the actuality and teaching reforming contents of pre-experiment in traditional Chinese medicine chemistry course, on the base of the traditional pre-experiment mode, some experiences which deserve popularized are explored.
分析中药化学预试验教学的大致现状和改革后的内容,在中药化学预试验的传统教学模式上,探索了一点值得推广的经验。
Objective:To explore the active constituents in different parts from the root,stem and leaf of Zantedeshia aethiopica by pre-experiment.
目的通过预试验,研究马蹄莲根、茎、叶三个部位可能的化学成分,以寻找有效成分的主要存在部位。
In this article, the installation and pre-commissioning procedure as well as control points for the key package extrude system, which serving in the pellet forming and extrusion downstream section within 600,000 T/ y polyethylene plant, were mainly introduced.
主要描述了年产600kt聚乙烯装置的后工段粒料成形及挤出的核心机组挤出机系统的安装及预试车过程和控制要点。
The EMC Pretest Technology is Forecast to Guarantee the Quality of the Product is Indispensable
EMC的预测试技术是保证产品质量不可少的手段
The characteristic of EMC certification test and EMC pretest were analyzed and the advantages of EMC pretest were summarized.
阐述了电磁兼容性(EMC)和电磁兼容测量的基本概念,通过分析EMC认证测试与EMC预测试的特点,总结了EMC预测试的优点。
Filed Pre-Test Method of TEMP-500IU CVT
TEMP-500IU型CVT现场预试方法
Analysis of six years intervention trail to prevent cerebral vascular accident
预防脑血管意外六年干预试验结果分析
Modal test of white vehicle based on pre-test body
基于预试验(Pre-test)的车身动态性能模态试验方法
Experiment and Analysis on ASR Braking Interference Function for ABS/ASR System
ABS/ASR集成系统中ASR制动干预试验测试分析
a preliminary examination
初试,预考(( (口语))prelim)
To subject to or conduct a pretest.
预先测试参加或主持预先测试
I expect he' ll pass the examination.
我预料他会通过考试。
Typical Glow Plug Tester
典型的预热塞测试装置
reentry observable prediction and experiments
再入观察预报与试验
preparation for college entrance examinations
大学入学考试预备班
Try to anticipate your horse's reactions to the unpredictable.
试图预料你的马对于不可预测事物的反应。
The ensemble forecasting study for short term climate prediction
短期气候预测的预报集成方法试验研究
The Research on Precracked Concrete Beams Strengthened with Prestressed Carbon Fiber Reinforced Plastic;
预应力碳纤维布加固混凝土预裂梁试验研究
Experimental Research on Seismic Capacity of Precast Prestressed Short Pier Shear Wall Structure;
预制预应力短肢剪力墙结构抗震能力试验研究
A Study of Prevention-Oriented Crisis Intervention in Institutions of Higher Learning;
试论以预防为重点开展高校危机干预工作
A Tentative Discussion on Rational Anticipated Theory and Consuming Anticipated Improvement in China;
试论理性预期理论与我国消费预期的改善
STUDY ON PREDICATION OF EFFECTIVE PRESTRESS FOR PC BEAM BASED ON STATIC PERFORMANCE
基于竖向位移测试的PC梁有效预应力预测研究
The static loading test and analysis of a pre-stressed concrete hollow slab beam
某预制预应力混凝土空心板梁静载试验与分析