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
共[21]条 当前为第1条到20条
 

相关语句
the effect
    THE EFFECT OF FERTILIZER APPLICATION ON EUCALYPTUS CAMALDULENSIS AND EUCALYPTUS 12ABL YOUNG PLANTATION
    赤桉、刚果12号桉施肥效应的研究
    THE EFFECT OF FERTILIZATION IN POPULUS EURAMERICANA CV. Ⅰ-214 FOREST LAND
    意大利214杨林地施肥效应研究
    Study on the Effect of Fertilization on the Growth of P.×euramericana in Reclaimed Area by Coal Ash
    粉煤灰复田立地欧美杨施肥效应研究
    The effect of diposition method of seedlings density
    苗木密度配置方式的效应
    According to the locating observation resultofforesthydrologic properties from1 991 to2 0 0 0 ,the characteristics of the runoff and sediment yield of artificial runoff plot scale( 1 0 0 m2 ) and natural sloping scale( 0 .9hm2 ) were analyzed deeply by taking the method of contrasting experiment. Based on these,the effect of forest cover of headwater on erosion control was primarily analyzed.
    根据 1 991~ 2 0 0 0年的森林水文定位观测成果 ,主要采用对比试验的方法 ,对人工径流小区尺度 (1 0 0 m2 )和对比自然坡面尺度 (0 .9hm2 )水源林的产流产沙特征进行了深入分析 ,在此基础上初步分析了水源保护林对侵蚀控制的空间尺度效应
    STUDY ON THE EFFECT OF UNDERGROUND STRUCTURE ON THE YIELD OF BAMBOO SHOOTS
    毛竹林地下结构与笋竹产量效应研究
    A BP Model Predicting the Effect of Varied Bamboo Stand Densities
    毛竹密度效应新模型的研究
    The effect of solid water on seedlings
    固体水对苗木作用效应的研究
    The Effect of Snow-melting in the Watershed of Xigou Reservoir
    西沟水库流域融雪效应
    A study on the effect of soil moisture of different vegetations in Loess Hilly Region
    黄土丘陵区植被的土壤水文效应
    The Effect of Exogenous Active Oxygen Scavenger on Seedling Growth and Drought Resistance of Chinese Pine
    外源活性氧清除剂对油松幼苗的抗旱性效应
    Study on Improving the Effect of Crop Microclimate by Protection Forest Belt of Casuarina equisetifolia
    木麻黄防护林带对改善农田小气候效应的研究
    Study on the effect of formulated fertilization of plywood timber for Poplar Zhonglin-46
    中林46杨胶合板用材林配方施肥效应研究
    And the aimed area possesses relatively stronger homogeneity in the interiors of patches at the 10km XI Okm, 40km X 40km, 80km X 80km and 60km XI 60km scales, namely, relative to next scale level that contains the scale, the effect of the ecological function of the soil and water conservation is relatively consistent witch all patches of landscape exert.
    在10km×10km、40km×40km、80km×80km和160km×160km尺度水平时,研究区景观具有相对很强的缀块内均质性,即相对于包含该尺度的下一尺度水平,景观各缀块发挥出水源涵养的生态功能的效应相对一致。
    The effect sequence of auxin was 2,4-D > NAA > IBA and the optimum hormone combination was 2,4-D1.0mg/L+0.5~BA3.0mg/L.
    (2)以幼嫩的叶片为外植体时,虽然诱导率可达100%,但只是在切口处长小米粒大小的愈伤组织,生长素的诱导效应大小为2,4一D>NAA>1 BA,最佳激素组合为2,4一D 1 .omg/L+BAO. 5~3.omg/L:
    e. M=a 1H b 1 N α-a 2H b 2 N β,then the productive elasticity and marginal yield of density and dominant height were analyzed. In addition, based on the effect model of the stand site and density,the stand volume effected by stand density,stand age and site index were also studied.
    建立了林分蓄积与林分密度及优势木平均高的收获模型 M=a1Hb1 Nα- a2 Hb2 Nβ,通过生产弹性、边际产量分析 ,研究了密度效应及优势高效应 ,并根据立地及密度效应模型研究了林分密度、林龄、立地指数对林分蓄积的影响
    PTIO,a specific NO scavenger,had the effect of alleviating the role of NO and ABA on the leaf stomatal closure.
    NO清除剂(C -PTIO)能显著抑制NO和ABA对气孔关闭的诱导效应
    Although the induction rate could reach 100%, the callus was very small and induced only from the cut when tender leaf was taken as explants. The effect sequence of auxin was 2,4-D>NAA> IBA and the optimum hormone combination was 1.0mg/L 2,4-D+0.5~3.0mg/L BA.
    以幼嫩的叶片为外植体时,虽然诱导率可达100%,但只是在切口处长小米粒大小的愈伤组织,生长素的诱导效应大小为2, 4-D>NAA>IBA,最佳激素组合为2, 4-D1. 0mg/L+BA0. 5 ~3. 0mg/L。
    The results showed the effect of high-intensity thinning on dbh and single- tree volume growth was optimal; the stocking was maximum after low-intensity thinning;
    通过对福建省永春大荣国有林场16年生福建柏人工林进行间伐强度效应试验,结果表明:强度间伐对胸径和单株材积生长效应最佳,弱度间伐后的蓄积量最大;
    The effect of vertical structure,acreage and shape of urban green land on heat island reduction was studied in Taiyuan City.
    在太原市选取典型绿地,研究绿地的垂直结构、面积、形状对减弱热岛效应的影响,得出绿地结构在减弱热岛效应的程度大小为,树林>复合绿地>草地。
 

首页上一页12下一页尾页 

 
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