long term field experiment是什么意思

用法例句

Rationality analysis of field test method for evaluation of geological condition of deposit;

矿床水文地质野外试验方法的合理性分析

in the paper, following an example of the pebble river bed,the determination of the incipient velocities of nonuniform sands is represented,the effect of the shapes (kurtosis)of pebbles on the incipient velocities is analysed,and then,the field test results on the incipient motion law of nonuniform sands are introduced and compared with those of the theoretical analysis.

分析了卵石形状（扁度）对起动流速的影响，介绍了非均匀卵石起动规律的野外试验结果及其与理论的对比。

Based on the chief drawbacks of present field test methods for hydrodynamic dispersion coefficient, an improvement for the slug injection test in radial flow and a hydrodynamic dispersion test in two-dimen-sional flow are presented.

针对现有弥散系数野外试验方法存在的缺点,提出了一种改进的径向流瞬时注入弥散试验和一种二维流场弥散试验的方法。

Based on the field experiment, a theoretical analysis of time-lapse explode method is proposed in the paper.

本文以野外试验数据为基础,对时延爆炸法原理进行了分析。

Based on field experiment,the effects of the seabuckthorn flexible dam on water flow resistance are studied,and the effects of different planting parameters of the seabuckthorn flexible dam on water level and flow velocity in gully channel are discussed.

本文通过野外试验,研究了沙棘柔性坝对水流的阻滞作用,探讨了沙棘柔性坝各种植参数对沟道水流水位及流速分布的影响。

METHODS According to the principles referring to the drug stability in the CHP and the standard of its quality,we carried out the stress testing,accelerated testing and long-term testing.

方法根据《中国药典》药物稳定性指导原则及乙酰谷酰胺氯化钠注射液的质量标准,对本品进行了影响因素试验、加速试验及长期试验。

Study on long-term experiment of crop rotation and fertilization in the loess plateau Ⅱ. Relationship between soil enzyme activities and soil fertility;

本文分析了长期试验土壤酶活性与土壤有机C、全N、有效P含量、主要微生物类群之间的关系。

Method for field test of natural durability of wood

GB/T13942.2-1992木材天然耐久性试验方法木材天然耐久性野外试验方法

A Study of the Information Sharing System of the National Key Field Observation Stations;

国家重点野外试验站网络信息共享系统研究

Study on the Experiment of Portable Emergency Relay Communications System

便携式应急移动中继通信系统的野外试验研究

Field experiment on the effects of the seabuckthorn flexible dam on water flow

沙棘柔性坝对水流影响的野外试验研究

In 1996, two groups did field tests of genetically modified mites and worms.

1996年有两组科学家对转基因的螨虫和蠕虫做了野外试验。

Simulation Analysis for Water Transforming Based on Field Test for GSPAC System in Dune-Meadow-Dune Area in Horqin Sand;

科尔沁沙地坨甸相间地区GSPAC系统水分运移野外试验模拟与分析

Field Test on Change Law of Sandy Soil Condensation Water in Different Lands

不同利用方式下沙地土壤凝结水变化规律野外试验分析

The results of the field survey and model test are coincide.

野外实测和模型试验的结果相互吻合.

The Analysis Of The Acquirement Of Techniques From Field Living Training On College Students;

试析大学生野外生存实验的技能获得情况

Field Test Result and Analysis on Induced-polarization Spectrum of Oil-gas Reservoirs

油气藏上方激电谱的野外观测试验结果及分析

Field experimental study on development of mountain streambed structures

山区河流床面结构发育野外现场试验研究

Experimental Study on Law of Runoff-Erosion-Sediment Yield under Field Simulated Rainfall Condition

野外模拟降雨条件下径流侵蚀产沙试验研究

The Compression and Extrapolation of Load Spectrum for a Heavy Off-road Vehicle Obtained from Proving Ground Testing

某型越野车试验场载荷谱的压缩与外推

The Research on a Flight Test of a Generations of Artificial Feeding Crested Ibis

人工饲养朱鹮繁殖后代野外放飞试验研究

Field Spectral Features and Constructive Species Classification of Vegetation in Modern Yellow River Delta Using Landsat TM

现代黄河三角洲植被主要建群种野外光谱特征及TM分类试验

TEST AND APPLICATION ON FIELD WORK METHOD OF SEISMIC IMAGING IN ENGINEERING SURVEYING

地震映像在工程探测中的野外工作方法试验及应用

Field test

外场试验(现场试验)

Pot experiments and fields investigation were conducted to study crops( wheat, lettuce, tomato and cabbage) effects and mechanisms under Cd-Zn compound pollution in purple soil.

采用盆栽试验结合野外调查，研究紫色土锌镉复合污染对莴笋、茄、兰、麦等的作物效应与原因。