covering device是什么意思

网络释义

用法例句

The results showed that N_2O emission from sanitary landfill decreased dramatically with increasing MSW landfill age after soil cover and its average value,18.

研究发现:卫生填埋场覆土后N2O释放通量(以N2O-N计)随垃圾填埋龄的增加而大幅降低,其均值(18。

The results show that:all bacteria population and biochemical activity,genus of actinomyces and fungi,and soil nutrients on covered area with soil were better than those on coal gangue hills without soil cover.

通过对矿区煤矸石风化物上几种不同复垦措施的复垦区 ,进行一系列土壤微生物及其生化特性的分析研究 ,结果表明 :各类微生物菌群、数量以及生物活性强度、放线菌和真菌的优势种属、土壤养分等均以覆土种植区大于不覆土区 ,豆科区大于禾本科区 ;而覆土厚度 ( 1 0～ 2 0 cm范围 )对土壤养分、生理群微生物及其活性等影响较小。

Physical and chemical properties of three industrial or agricultural wastes and their influence on growth of the mushroom(Agaricus bisporus) as casing soil;

三种工农业废料的理化性状及作为蘑菇覆土材料的研究

Physical and chemical properties,culturable bacterial population and phospholipid fatty acid(PLFA)profile of different casing soils at different mushroom(Agaricus bisporus)cropping stages were investigated.

在双孢蘑菇(Agaricus bisporus)栽培中,以传统蘑菇砻糠田泥覆土为对照,研究了不同泥炭比例覆土配方的理化性状、细菌生长量、双孢蘑菇菌丝生物量及其产量。

appraised and analysized the productive properties of three kinds of Agaricus bisporus by its cultivated property,yield and nutritional components of fruitbodies,analysized the effects of the XSJ fermentation on the cultivated property and yield in Agaricus bisporus ,and studied the pattern of casing soil using Fus.

试验以玉米秸秆为原料，对双孢蘑菇的栽培技术进行了研究，首先获得了玉米秸秆培养料的高产配方；经对菌丝生长特性、菇体产量及其营养成分的测定，对3个双孢蘑菇菌株的生产性能作了评价分析；分析了酵素菌发酵对双孢蘑菇生育的影响；并且运用正交设计Fuzzy分析法进行了覆土模式的研究；在此基础上，对双孢蘑菇各生育期间的营养利用规律及胞外酶活性变化规律进行了初步研究。

Experimental study on anti-impact properties of a partially prestressed concrete beam with covering soil;

带覆土预应力混凝土梁抗冲击试验

The mesh spot pattern is used for sampling covering soil at ecological environment recovering test field, which is reclamation area filled by coal mining wastes for cropland in the north of Jingtian coal mine, Laohutai, Fushun.

利用网格布点取样法采集抚顺矿区老虎台井田煤矿北部矸石回填复垦还田生态重建试验区不同覆土类型、不同土壤深度、不同覆土年龄的土壤样品 ,对矿山复垦土壤的重金属元素的时空变化进行了研究。

Thickness and Material of Covering Soil on Land Reclamation

土地复垦的覆土厚度及覆土基质确定

earth-mounded station building

以土墩覆盖的车站大楼

To fill, cover, or coat with loam.

充满,覆盖或包有粘砂土

Plants cover the soil.

植物覆盖和保护着土壤。

Earth up the roots of a newly-planted tree

壅土覆盖新栽树的根部

place in the earth and cover with soil.

放于地面并用土覆盖。

Study on the Change of Land Use/Land Cover of Bashang District;

坝上地区土地利用/土地覆被变化研究

Studies on Land Use and Land Cover Change Based on GIS;

基于GIS的土地利用/土地覆被变化研究

Land Use and Land Cover Change Of Qujing City;

曲靖市土地利用与土地覆被变化研究

The Reseach of Land Use/Land Cover Change Using Remote Sensing Monitoring;

土地利用/土地覆被变化遥感监测研究

Study on the Progress of Land Use/Land Cover Change;

土地利用/土地覆盖变化研究进展综述

Land-use/land-cover changes in the Yellow River basin;

黄河流域的土地利用和土地覆盖变化

Discussion of the Research Method on Land Use/Land Cover Change;

土地利用/土地覆盖变化的研究方法

A Study of Driving Forces of Land Use and Land Cover Change;

论土地利用/土地覆盖变化驱动力研究

Summarization of the Study of Land Use/Land Cover Change in China;

中国土地利用/土地覆盖变化研究综述

ANALYSIS ON THE LAND-USE AND COVER CHANGE OF DAQING REGION IN HEILONGJIANG PROVINCE;

大庆地区土地利用/土地覆被变化分析

Method for Land Use/Land Cover Classification in the Western Sichuan Plateau

川西高原土地利用/土地覆盖分类方法

Gravely soil with clay-limestone subsoil.

以黏土与石灰岩为基土上覆厚实土壤层。