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  降水
    AN ANALYSIS OF THE INFLUENCE OF PRECIPITATION ON THE GROWTH OF BAMBOO FOREST
    降水对毛竹林生长的影响分析
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    Review on the Study of Forest Precipitation Chemistry
    森林降水化学研究综述
短句来源
    The objective of this paper was to determine the relationship s between the behaviors of stable isotope contents (δD) and the patte rns of water transportation in precipitation, spring water and soil water.
    根据2003年夏季测得的四川卧龙自然保护区亚高山暗针叶林地区3个不同群落的降水、土壤水、浅层地下水(泉水)氢稳定同位素含量(δD),分析土壤剖面各层次土壤水氢稳定同位素的变化规律及其与水分迁移的关系。
短句来源
    2) The distri bution pattern of δD for the soil profiles of the 3 communities reflected the change of δD for the precipitation.
    2)A、B、C群落土壤垂直剖面的土壤水δD空间分布形式反映了降水δD的时间变化特征。
短句来源
    The constant val ue of δD may suggest that shallow underground water represent the average conditions of precipitation over the years.
    4)浅层地下水δD受降水δD的直接影响不明显,变化幅度很小,浅层地下水δD的稳定性说明地下水代表了多年降水的平均状态。
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  沉淀
    Twelve proteins are isolated and purified from Beauveria bassiana by ammonium sulfate precipitation,preparative eletrophoresis and elution gel strip. Eight proteins are toxic to Monochamus alternatus by primary screening. The toxicity of proteins Bb36W C and Bb36N E is the highest,the medium are Bb36N A and Bb36N F,the lowest are Bb36W D,Bb36W E,Bb36N B and Bb36N D.
    通过硫铵沉淀浓缩和制备电泳洗脱的方法从白僵菌中提取纯化出了 12种蛋白 ,经初步筛选有 8种蛋白对松墨天牛表现出一定的毒性 ,其中蛋白Bb36W C和Bb36N E的毒性最高 ,Bb36N A和Bb36N F为中毒性 ,Bb36W D、Bb36W E、Bb36N B、Bb36N D为弱毒性。
短句来源
    The method of LiCI precipitation RNA was also improved in this research, and RNA could be precipitated completely in 10 minutes by this improved method. Differential display technique was empolyed to study the gene expression of T.
    对LiCl沉淀方法进行了重要改进,改进的方法可在10min内完全沉淀RNA。
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    Bioassay results of the PN1 toxin components after salting out indicated that the precipitation components as the saturation of (NH4)SO4 is 30% and 90% both probably contained proteinous toxins which were fatal to P. thunbergii single cells.
    对PN1毒素原液分级盐析及盐析后各组分的毒性测定结果表明PN1毒素原液在硫酸铵饱和度为30%和90%时的沉淀组分可能均含有可使黑松单细胞致死的毒素蛋白类物质。
短句来源
    Six extracellar total protein extracts are obtained by dialysis after ammonium sulfate precipitation. Six intracellar total proteins are extracted by grinding hyphae. Forty eight proteins, including 26 intracellar and 22 extracellar ones, are purified from 12 total protein extracts by preparative polyacrylamid gel electrophresis and eluticn gel strip.
    实验选取6株代有表性的虫生真菌,用硫酸铵沉淀浓缩、透析的方法提取了6种胞外全蛋白提取液,用研磨菌丝法提取了6种菌丝体内全蛋白提取液,再通过制备电泳和洗脱凝胶的方法从这12种全蛋白提取液中分离纯化出了48种单一蛋白,其中菌丝体内蛋白26种,胞外蛋白27种。
短句来源
    The enzyme purification steps included homogenization , (NH4)2SO4 precipitation and consective chromatography on DEAE-Sephadex A50 and CM-52. This protein is specific increased POD in diseased plantlet. The result of HPLC indicated that the content percent is more than 99. This protein was characterized having a specific activity of 371U/mg . A fragment of induced expression of POD gene was cloned from diseased paulownia plantlets.
    运用泡桐病健组培苗进行酶蛋白的抽提,酶的纯化过程包括匀浆、(NH_4)_2SO_4沉淀、阴离子DEAE—sephadex A50和阳离子CM-52交换层析,纯化和鉴定了一种在病苗中表达量特异性升高的POD,对该酶进行高效液相色谱分析可知,该酶的纯度已达到99%以上,比活力达到371U/mg。
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  降水量
    Based on the data of the annual mean precipitation at 68 stations in Fujian Province from 1961 to 1990,a universal model of spatial simulation(UMSS) for the precipitation was established.
    应用福建省68个站点1961-1990年30 a平均降水量,建立降水空间模拟通用模型。
短句来源
    The results showed that the meteorological factors closely related to the insect pest occurrence area were the yearly accumulated temperature of ≥10℃, yearly precipitation and dryness, with the Pearson coefficient being 0.701, -0.814 and 0.937, respectively.
    结果表明:与虫害发生面积密切相关的因子有年积温(≥10℃)、年降水量和干燥度; 虫害发生面积同三者的Pearson相关系数分别为0.701、-0.814和0.937;
短句来源
    Impacts of forest and precipitation on runoff and sediment in Tianshui watershed and GM models.
    渫水流域森林和降水量的变化对径流及泥沙影响分析和GM模型
短句来源
    The average humidity in spring is above 37%, annual average humidity is above 39.4%, and the annual precipitation is above 130.4mm.
    春季均湿为37%以上,年均湿为39.4%以上,年降水量在130.4mm以上。
短句来源
    Annual average temperature of it is 13.6℃, mean annual relative humidity is 87%, and average annual precipitation amount is 1611.8mm.
    年均气温13.6℃,年均相对湿度87%,年均降水量1611.8 mm。
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  precipitation
The water-soluble glucan was obtained from Pleurotus florida fruit bodies by hot water extraction, ethanol precipitation, DEAE cellulose dialysis and Sephadex G-75 gel filtration.
      
Preparation and characterization of nanocrystalline ZnO by direct precipitation method
      
Nanocrystalline ZnO was prepared with ZnCl2·2H2O and (NH4)2CO3 as raw materials by direct precipitation method.
      
The ion-exchanger LiAlTiO4 of spinel type was prepared by the common precipitation/hydrothermal crystallization method, and was acid-modified.
      
The precursors of Fe2O3-SiO2 mixed oxides prepared through co-precipitation method were modified by microwave hydrothermal treatment for the first time.
      
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