dry-land cultivation是什么意思

网络释义

用法例句

Metal-DLC film is an effective way to reduce the stress and improve the mechanical properties of DLC films.

述评了金属-类金刚石薄膜的制备工艺、不同金属粒子对DLC薄膜形态、键结构、力学及摩擦磨损性能、物理化学性能等的影响,指出在金属粒子对DLC膜的力学及摩擦学性能的影响方面还有很多待确定的因素。

The structure and tribological properties of TiNx/DLC films was investigated.

采用等离子体基离子注入技术在30CrMnSi钢上制备了TiNx/DLC多层膜,通过X射线光电子谱和激光喇曼光谱测试分析了膜的结构特征,TiNx/DLC膜大气下的摩擦性能在球盘式摩擦磨损试验机上进行。

The composition, structure and properties of DLC films were investigated by spectroscopic ellipsometer, Raman spectroscopy, X–ray photoelectron spectroscopy(XPS), powder X–ray diffraction(XRD), spectrophotometer, nanoindenter, ball-on-disk tribometer, Rockwell apparatus and optical microscope.

硅片上的薄膜厚度均为37nm左右,75V、100V偏压下制得的薄膜具有最高的sp3键含量,薄膜具有典型的DLC膜Raman光谱特征。

dryland(s) farming

"旱地耕作法,见 dry farming"

Freezing-Thawing Condition of Main Dryland Farming Soil Areas in Northeast China

东北主要旱地耕作土壤冻融环境分析

dry farming; dryland farming: A system of producing crops in arid and semiarid regions without the use of irrigation.

旱地耕作法:指一种在干旱或半干旱土地上不使用灌溉方法生产作物的耕作制度。

Substantial amounts of land may have to be converted from irrigated to dryland farming systems.

大量土地可能不得不从灌溉转为旱地耕作。

SOIL'S ENZYME ACTIVITY IN DIFFERENT CONSERVATION TILLAGE IN SLOPING LAND

旱作坡耕地保护性耕作土壤酶活性研究

The Technology Study of Mechanical Conservation Tillage for the Red Hillside Fields in YUNNAN;

云南红壤旱耕地机械化保护性耕作技术研究

The Improved Effect of Conservation Tillage for Low Yield Dry Farm with Purple Sand-soil

低产紫沙土旱耕地保护性耕作改良效应

Benefit Research of Dryland Mechanization Conservation Tillage Technology in SHANXI;

山西旱地机械化保护性耕作技术效益研究

Analysis on Effects of Conservation Tillage on Soil Properties and Wheat Development on the Dry Sloping Farmland in Western Henan;

豫西旱坡地小麦保护性耕作的效应分析

The Effect on Soil Organic Nitrogen under the Different Tillage in Dryland;

不同耕作方式对旱地土壤有机氮的影响

Study of the Mechanically Protecting Tillage System for Wheat in Weibei Dryland Region;

渭北旱地小麦机械化保护性耕作体系研究

Conservation Tillage Related with Yield Formation of Potato in Rainfed Farming System;

保护性耕作对旱地马铃薯产量形成的初步研究

Analysis of Efficient Farming Technique in Arid Area of West China;

我国西北干旱地区耕作高效综合利用技术分析

Effects of different tillage measures on upland soil respiration in Loess Plateau

不同耕作措施对黄土高原旱地土壤呼吸的影响

Study on soil fertility evolvement of farmland in Daxing'an rainfed farming hilly regions

大兴安岭旱作丘陵区耕地肥力演变研究

Effects of conservation tillage on soil enzymatic activities in rainfed wheat field

保护性耕作对旱地麦田土壤酶活性的影响

The land ploughs hard after the drought.

大旱之后土地难耕。

Conservation Tillage Effects on Water Use of 2 Phases Rotation Systems with Spring Wheat and Field Pea in Dryland;

保护性耕作对旱地麦—豆双序列轮作水分利用的影响