助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   major ecological factor 的翻译结果: 查询用时:0.158秒
图标索引 在分类学科中查询
所有学科
更多类别查询

图标索引 历史查询
 

major ecological factor
相关语句
  主导生态因子
     The Influence of Major Ecological Factor on the Growong of Young Hawthorn Trees in Spring
     主导生态因子对山楂幼树春季生长的影响
短句来源
  “major ecological factor”译为未确定词的双语例句
     Temperature is the major ecological factor affecting maize seed development and filling.
     从籽粒灌浆动态分析,温度是影响玉米籽粒形成与灌浆的重要环境条件。
短句来源
     The results showed that:(1) Caragana davazameii growing in different habitats possessed different mode of physiological regulation,but the plants which grew in the similar habitats possessed a similarity response to their environment. (2)The activities of protective enzyme of wild plants were better than that of the plants transplanted in Hohhot Arboretum,indicating that water is the major ecological factor affecting physiological regulation and its metabolism
     结果表明:(1)生境差异明显的中间锦鸡儿生理调节方式也有明显差异,生境相近体内生理调节方式表现出趋同(2)野生中间锦鸡儿植株的POD活性均高于树木园移栽植株,进一步说明水分是影响中间锦鸡儿体内生理调节与代谢的主要生态因子.
短句来源
     Soil water stress is the major ecological factor limiting grain quality formation of wheat,while elucidating the physiological mechanism and regulation principles of this formation is of important significance for understanding grain quality physiology and guiding wheat cultural management.
     土壤水分逆境是限制小麦籽粒品质形成的重要生态因子,明确土壤水分逆境下小麦籽粒品质形成的生理机制及调优技术途径,对于深化小麦品质生理生态研究和指导小麦调优栽培具有重要的理论意义和应用前景。
短句来源
  相似匹配句对
     Ecological environment has been a major element to urban development.
     城市生态环境已经成为影响城市发展的重要因子。
短句来源
     Study on Major Ecological Environment Problems and Its Survey Method
     山东省主要生态环境地质问题与调查方法探讨
短句来源
     Major Affecting Ecological Factors on Growth of Taxus spp.
     影响红豆杉生长的主要生态因子
短句来源
     On Ecological Conscience
     论生态良知
短句来源
     On Ecological Security
     论生态安全
短句来源
查询“major ecological factor”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
  major ecological factor
The major ecological factor dividing the two groups appears to be the moisture content of the samples.
      
A major ecological factor that influ ences patchiness is species sensitivity or niche width.
      


The primary production by phytoplankton was determined during 1982—1984 for fish ponds with the black carp as the major species for culture. Investigations were made on the vertical and seasonal changes in primary p:oduction in relation to major ecological factors, overall fish yield and yields from the silver carp and big-head. During the growing season (April—November), the depth for photosynthetic compensation varied from 70—140 cm (mean:105cm) at 10:00 and from 90—160 cm(mean: 135cm) at 14:00...

The primary production by phytoplankton was determined during 1982—1984 for fish ponds with the black carp as the major species for culture. Investigations were made on the vertical and seasonal changes in primary p:oduction in relation to major ecological factors, overall fish yield and yields from the silver carp and big-head. During the growing season (April—November), the depth for photosynthetic compensation varied from 70—140 cm (mean:105cm) at 10:00 and from 90—160 cm(mean: 135cm) at 14:00 O_2 production from the water column in the upper 1m accounted for over 90% of the total production. The mean daily O_2 prodution ranged from 5.00—17.04mg O_2m~(-2)day~(-1) The daily gross oxygen production usually exceeded oxygen respiration. The annual oxygen production was 2063—2814g O_2·m~(-2). year~(-1). Monthly primary production showed only one peak whilh usually occured in July -August. The relationship between primary productivity (Y, gO_2.m~(-2).day~(-1)) and solar radiation (X,Kcal·m~(-2). day~(-1)) was: y=5.5509e~(1.2998×10~(-14)X) The relationship between primary productivity (Y,gO_2·m~(-2).day~(-1)) and temperature(X, ℃) was: Y=0.2527X+3.2078 The relationship between primary productivity (Y,gO_2.m~(-2).day~(-1))and concentration of inorganic nitrogen (X, mg.1~(-1)) was. Y=0.7650X+7.1650 The average phosphorus concentration was 0.01mg.1~(-1) and the N/P ratio ranged form 102—722, indicating that phosphorus was the limiting factor for primary production. The relationship between production (Y,gO_2.m~(-2)day~(-1)) and biomass (X, mg.1~(-1)) in phytoplankton was: Y=11.5842e~(-5.7850×10~(-3)X Net phytoplankton production in wet weight was 100674.4, 118560, and 128197.6kg·ha~(-1)·year~(-1) respectively in black carp ponds with net fish yields of 7500, 11250 and 15000 kg·ha~(-1)·year~(-1) In ponds with both black carp and grass as carp the major species for cuture and with a yield of 1500 kg·ha~(-1) year~(-1), the net phytoplankton production in wet weight was 137323.2 kg·ha~(-1)·year~(-1).Primary productivity (Y,gO_2·m~(-2)·day~(-1)) increased with increased yield from silver carp and big-head(X,g fish m~(-2)·day~(-1))in the form:Y=3.2599X+5.2568. During the growing season (April-November), the efficiency of converting solar radiation to gross primary production ranged from 0.81—1.11%. The efficiency of converting net phyto-plankton production to yield of silver carp and big-head ranged from 3.49—5.13% the ecological efficiency of converting solar radiation to fish yield was 0.028—0.055%.

本文论述了主养青鱼高产池塘浮游植物初级生产力的测定结果,揭示了其垂直、季节变化及其与主要生态因子、鱼产量水平、鲢、鳙鱼产量的关系,分析了D/B、P_G/R_W、N/P的作用。研究查明:1米以上水柱的光合产氧量占水柱总产氧量的90%以上。水柱日毛产氧量变动在5.00—17.04克氧/平方米·日之间,水柱年产氧量达2063—2814克氧/平方米·年。初级生产量全年只有一个高峰,常出现在7—8月。主养青鱼型年净产鱼量7500、11250、15000公斤/公顷级池塘的浮游植物鲜重净产量分别为100 674.4、118 560、128 197.6公斤/公顷·年,青鱼、草鱼并重型年净产鱼量15000公斤/公顷级池塘的浮游植物鲜重净产量为137 323.2公斤/公顷·年。 4—11月,毛初级生产力对太阳辐射能的利用率为0.81—1.11%;鲢、鳙产量对浮游植物净产量的直接利用率为3.49—5.13%;太阳能转移为鱼产量的生态学效率为0.028—0.055%。

This paper makes an approach to the planning of urban land use in a new way, i, e. the analysis of ecological suitability of land use. On the basis of systematic analysis of urban land use types and their relationships to the major ecological factors, quantitative reserach was carried out on the ecolog- ical suitability of the main urban land use types, Using the methods of index quantification and clus- ter analysis, planning, which showed great success in the study of land use ecological...

This paper makes an approach to the planning of urban land use in a new way, i, e. the analysis of ecological suitability of land use. On the basis of systematic analysis of urban land use types and their relationships to the major ecological factors, quantitative reserach was carried out on the ecolog- ical suitability of the main urban land use types, Using the methods of index quantification and clus- ter analysis, planning, which showed great success in the study of land use ecological suitability and land use development in the city proper of chengde.

本文探索了一种城市土地利用规划的新方法。即土地利用生态适宜性分析方法。该方法在系统分析城市用地类型与主要生态因子关系的基础上,采用指标数量化及规划聚类法对城市主要用地类型的生态适宜性进行了定量化研究。该方法在承德市辖建成区的用地生态适宜性分析及用地发展方向的研究中,取得了良好的效果。

In two growing stages, under the condition of controlling light intensity, temperature, relative humidity respectively or both, the diurnal changes of photosynthettic rate of barlyleaves were studied. The results are that the diurnal changesof photosyntheticrate was a adaptive reflection of the ecological condition. Major ecological factors which caused midday depressing in photosynthetic rrate of barley leaves were low atmospheric humidity and high temperature at midday.

田间条件下对大麦在不同生育时间和不同光照、湿度、温度条件下叶片光合速率的日变化进行了观测。结果表明,光合速率日变化有时呈单峰曲线,有时呈双峰曲线。光合速率午间下降是由于午间空气温度过高及空气相对湿度过低引起的。

 
<< 更多相关文摘    
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关major ecological factor的内容
在知识搜索中查有关major ecological factor的内容
在数字搜索中查有关major ecological factor的内容
在概念知识元中查有关major ecological factor的内容
在学术趋势中查有关major ecological factor的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社