查询词典 laboratory experiment

This study selected the ephemerals which grow in the Gurbantunggut Desert Area as the object of the study, which is based on the field sampling and the bourgeoning experiment in laboratory, The distributing , bourgeoning status,density, diversity of the soil seed banks and its relationship with vegetation showed in this area sand dunes were studied.

采用野外定点取样和室内萌发相结合的试验方法，研究了短命植物在沙丘不同部位的空间分布、萌发状况、密度、物种多样性及土壤种子库生物多样性与地上植物多样性的关系。

In this thesis, downstream energy dissipation and erosion control problem of Yingping power station is studied in the concrete, building the unitary hydraulic model in the laboratory. The scale of this model is 1:40. The energy dissipation effect of this layout in preliminary design is validated and optimized by model experiment. During the test, setting assistant energy dissipation training frusta is put forward and the energy dissipation problem of the project is well settled.

本文以阴坪水电站消能防冲问题为具体研究对象，在实验室建立几何比尺为1：40 的正态水工整体模型，对其初步设计的消能布置方案的消能效果进行模型试验验证与优化研究，提出了设置辅助消能工导流墩的方案，很好地解决了该工程的消能防冲实际问题。

It introduces the cross correlation speed measurement, gravity-fed flow experiment device and the gas-solid flow laboratory equipment, to do systemic experimental research on the characters of the gas-solid flow measurement.

分别采用了相关速度测量法、自由落体实验平台法、气固两相流综合实验平台法，对气固两相流的静电法测量特性作了系统的实验性研究。

This paper gives the search of mathematical model for experiment in 1—4 parallel-counter flow heat exchanger in our chemical engineering laboratory.

本文讨论了我院化工原理实验室1～4程列管换热器的数学模型。

The 1 kg crucible experiment was carried out in laboratory. The shape, size and composition of inclusions in medium-carbon high-sulphur structural steel were investigated.

在实验室进行了1kg坩埚实验，研究了中碳高硫结构钢钙处理前后夹杂物的形态、尺寸及组成。

In order to find the soil nutrients limiting-factors of the Rice spike develop abnormality in Jianghuai Hilly Land ,the soil nutrients limiting factors in those areas were studied with a systematic approach technique on soil nutrient status through laboratory analysis,absorption study, pot experiment and using sorghum as indicator plant in Feidong,Changfeng and Yingshang in Anhui province.

为了摸清安徽省江淮丘陵地区水稻&颖壳不闭&土壤养分限制因子，采用土壤养分状况系统研究法，通过化学分析、吸附试验及盆栽试验，以高粱为指示作物，对安徽省江淮之间的肥东县、长丰县和颍上县水稻&颖壳不闭&土壤的养分限制因子进行系统研究。

Recently, the propagation characteristics of electromagnetic waves in chirowaveguides have been deeply investigated by Pennsylvania University, US Navy laboratory and so on.Some units inlands are also working at theory and experiment on chiral medium.

近年来，以美国的宾夕法尼亚大学、美国海军实验室和芬兰的赫尔辛基技术大学为代表的一些研究机构开展了对旋波媒质以及它和电磁波场之间相互作用及其应用方面的研究工作，国内某些单位也正在进行有关方面的理论研究和实验探索。

As the shortages of the laboratory apparatus existing in our college,a new experimental platform for excitation control system which applies to teaching experiment is designed.

针对我校现有实验装置存在的不足，研制了一种新的适用于教学实验的发电机励磁控制实验平台。

If you dream of being a chemist in a laboratory and your experiment should fail it denotes failure in a present venture.

如果您的梦想，作为一个化学家在实验室里和您的实验失败，它是指在一个失败的，目前合资。

The paper researchs on standardized management of experiment course,laboratory opening,teaching method reform,information system.

本文研究了实验课程的规范化管理、实验室开放、教学法改革和信息化体系的建设

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。