钙质土
- 网络Calcareous Soil;calcisols
-
此外,土壤有效锰含量和土壤pH值、碳酸钙含量呈负相关。在钙质土中,土壤有效锰易被吸附,所以含量较低。
Experiment results also showed that the contents of available manganese in soil was negatively correlated with the pH value of the soil and content of calcium carbonate in the soil , and the manganese in soil was so easily adsorbed in calcareous soil that the available manganese was lower .
-
扁铲侧胀试验在浅海钙质土力学特性评价中的应用
Application of flat dilatometer test to mechanical characteristics evaluation of calcareous soil in shallow water
-
其提取率(提取C占有机质C总量%):酸性土(高山草甸型和湿润森林型土壤)高于以钙质土为主的碱性土。
The extraction ratio , which meant the percentages that extracted C occupied the whole quantities of soil organic carbon , was : acid soils ( soil of Dark felty soils , felty soils and wet forest soils ) alkaline soils which was mainly consisted of calcium soils .
-
钙质土力学性质研究现状与进展
The Present Condition and Development in Studies of Mechanical Properties of Calcareous Soils
-
综述了国内外对钙质土静、动力学性质研究的现状与进展,得到有关结论并提出今后应加强研究的方向。
The present condition and development in studying static and cyclic properties ofcalcareous soils are explained based on Chinese and foreign data .
-
该林区土壤属褐红壤,具有一定的钙质土性质,有机质有特殊的幂积方式,腐殖化过程强,其肥力水平高于赤红壤,在有林情况下,不低于同纬度的红壤。
Lts fertility levels is higher than that of lateritic red earth and it is not lower than that of red earth at the same latitude if there are forest .
-
水溶性高分子NCP和HPAM对钙质蒙脱土表面润湿性的影响
Wetting Ability of NCP and HPAM on the Surface of Ca - montmorillonite
-
钙质紫色土稻麦锌素营养诊断的研究
Zinc nutrition diagnosis of rice and wheat in calcareous purple soil
-
但总的来说,先前对钙质岩土的定性分析多,定量计算少。
But overall , qualitative analysis more than quantitative calculation soil in previous results .
-
安徽淮北平原钙质结核土的分布及成因研究
Study on Distributing and Formation of the Calcareous Concretions Soil in Huaibei Plain , AnHui Province
-
钙质紫色土稻麦轮作中锌磷氮优化配方研究
Studies on the optimum zn p n combinations in a rice wheat rotation system on a calcareous purple soil
-
本文研究了钙质紫色土在连续四年免耕、垄作、秸杆覆盖下的土壤水肥状况的变化。
Studies on soil fertility changes of calcium purple soil under continuous cultivation of no-tillage and mulch straw farming from 1992-1995 were conducted .
-
本文研究了钙质变性土中铁锰结核的矿质全量组成、微量元素丰度、微形态特征以及土壤和铁锰结核中各形态铁锰氧化物的组成特点。
The chemical composition , microelement abundance , micromorphological characteristics of iron-manganese concretions and the forms of Fe oxides and Mn oxides in iron-manganese concretions and in soils were studied .
-
本文以理论分析为基础,依托沙特某电厂工程,对钙质岩土(主要是珊瑚礁)的工程性状进行全面而深入的研究。
This paper based on theoretical analysis , relied on a power plant project in Saudi Arabia , calcium geotechnical ( mainly coral reefs ) engineering traits of a comprehensive and in-depth study .
-
相应,籽粒和稿秆含氯量分别为0.06%和1.47~1.58%,分蘖期茎叶含氯量为2.12~2.49%。在钙质紫色土上,小麦耐土壤氯的浓度为200~400ppm。
Correspondingly , the chlorine content of wheat grains and straws and of the shoot at the tillering stage was 0.06 % , 1.47-1.58 % , 2.12-2.49 % respectively on neutral purple soils .
-
钙质岩土或碳酸盐类土,通常是指海洋生物(珊瑚、海藻、贝壳等)成因的、富含碳酸钙或其它难溶碳酸盐类物质的特殊岩土介质。
Calcium carbonate rock or soil , usually refers to special soil medium that marine life ( corals , algae , shells , etc. ) causes , rich in calcium carbonate or other insoluble substances .
-
分布特征是钙质紫色土水稻、玉米缺锌,酸性砂质土小麦缺钼,砾质黄壤油菜、柑桔缺硼,潜育化潮土小麦缺锰。
The distribution feature is that in calico purple soil rice and corn are short of zinc , in acid arenaceous soil wheat is short of molybdenum , in gravel yellow soil cole and orange are short of boron , in gles tide soil wheat is short of manganese .
-
钠质膨润土与钙质膨润土压实特性比较研究
Comparison of compaction behaviors of Na-and Ca-bentonite
-
同时在富含钙质的碱性土中,CaCO3的聚积对全钾也有一定的稀释效应。
At the same time the accumulative CaCO 3 makes " dilution effect " of the mineral potassium in alkaline soils .
-
为将膨润土作为消化道粘膜保护剂提供依据,本文研究了钠质、钙质膨润土对亚甲基蓝的吸附性能。
In this paper , the characters of adsorbability of Ca group and Na group bentonite to methylene blue were researched in order to apply bentonite as digestive mucosal protective agent .