CLAY COMPOSITION AND FERTILIZER CONSERVATION PRDPERITITY OF RED SOIN AND YELOW SOILS IN THE SOUTHWEST;
西南红、黄壤粘粒组成及土壤保肥性能的研究
Comparison of clay mineral content variations in clay-size portions and bulky completely decomposed granite;
全风化花岗岩全岩和粘粒中粘土矿物含量变化对比
Enrichment factors were calculated to analyze the PAHs enrichment trend at different depths of soil, and the influences of soil total organic carbon (TOC) and clay contents on vertical distribution of PAHs in soils in Tianjin area were discussed.
研究了天津地区土壤中有机碳(TOC)和粘粒含量对多环芳烃(PAHs)纵向分布的影响,利用相对富集系数分析了PAHs在不同土壤深度的富集趋势。
Methods: A recombinant cosmid containing CD and TK fusion gene was constructed, and then mixed with DNA TPC and co transfected to the 293 cells by calcium phosphate coprecipitation.
方法 :构建含有 CD、TK融合基因的重组粘粒 ,将其与腺病毒 DNA末端肽复合物混合后以磷酸钙共沉淀法转染人胚肾2 93细胞株细胞 ,获取重组腺病毒 ,并进行鉴定。
aFGF cosmid DNA and DNA-TPC were mixed and co-transfected to the 293 cell by calcium phosphate coprecipitation.
方法 将用于转染的重组粘粒和DNA TPC混合后 ,以磷酸钙共沉淀法转染包装细胞 2 93细胞 ,获取重组腺病毒。
VEGF-D - pAxCAwt cosmid DNA and DNA-TPC were mixed and co-transfected to the 293 cell by calcium phosphate coprecipitation.
用重组粘粒和DNA TPC混合后 ,以磷酸钙共沉淀法转染 2 93细胞 ,获取重组腺病毒。
Effects of temperature on organic carbon mineralization in paddy soils with different clay content;
温度对不同粘粒含量稻田土壤有机碳矿化的影响
The rule and mechanism that total organic carbon,clay content and soil water content affected PHEs' vertical distribution and migration were shown by testing and analyzing soil samples from vadose zone and aquifer in the typical environment district-Zhangshi irrigated area.
通过对典型环境功能区张士灌区包气带剖面样品和含水层样品的分析检测,比较和总结了菲的垂向分布特征,研究了总有机碳、粘粒含量、土壤含水率对菲垂向分布与迁移的影响规律和机理。
The rule and mechanism that total organic carbon (TOC), clay content and water content influence PHEs vertical distribution and migration are shown in this paper by testing and analyzing soil samples from vadose zone and aquifer in Zhangshi irrigated area, the typical environment district.
本文通过对典型环境功能区张士灌区包气带剖面样品和含水层样品的分析检测,比较和总结了菲的垂向分布特征,研究了总有机碳、粘粒含量、土壤含水率对菲垂向分布与迁移的影响规律和机理。
In this paper the abilities and mechanisms of adsorption phosphorus in five clay minerals and two clay soils were studied through experiments on Langmuir adsorption isotherms of phosphorus and analyzing the contents of different type of phosphorus in these materials saturated with phosphorus.
通过磷素等温吸附实验和磷素饱和吸附后磷素的形态变化 ,研究了高岭土、蒙脱土、凹凸棒土、蛭石和沸石 5种粘土矿物 ,以及黄褐土和下蜀黄土 2种粘粒土壤中磷素的吸附净化性能和机理 ,结果表明 :除高岭土和沸石以外 ,其它类型的粘土矿物和粘粒土壤均有较好的磷素吸附净化能力 ,蛭石的磷素吸附净化能力最强 ,其次为黄褐土、凹凸棒土、蒙脱土和下蜀黄土 。
Research on the adoption of clay particle content during seismic liquefaction with artificial neural network;
液化判别中基于人工神经网络的粘粒含量取值研究
Experimental study on influence of clay particle content on liquefaction of Nanjing fine sand;
粘粒含量对南京粉细砂液化影响的试验研究
Study of clay particle content in geo-technical engineering investigation;
粘粒含量在岩土工程勘察中的应用研究
Its genomic DNA library was constructed by partial digestion with Sau3A I and cosmid vector pLAFR-5 following the Packagene Lambda DNA Packaging System.
本文采用Sau3A I部分酶切的DNA、粘粒载体pLARF-5和PackageneλDNA包装系统,构建了该菌株基因组文库。
Irreversible characteristic of lead(Ⅱ) adsorption-desorption on soil clays;
几种土壤粘粒表面Pb~(2+)吸附-解吸不可逆性特征
The urease adsorption amount on eight kinds of soil clay and that under different pH and temperature and Zn(Ⅱ),As(Ⅴ),Hg(Ⅱ) concentration conditions were studied.
研究了８种土壤粘粒对脲酶的吸附量，以及不同ｐＨ，温度和Ｚｎ（Ⅱ）、Ａｓ（Ⅴ）、Ｈｇ（Ⅱ）质量浓度对脲酶吸附量的影响。