土类

云南泥炭土作为一种特殊土类，其物理力学性质不同于一般粘土和有机质土，对这层土的力学特性的研究具有重要的理论意义和实用价值。

The peat soil is of a special great soil group and its physical and mechanical properties are different from either ordinary clay or organic soil .

不随n变化而变化。（3）承台外区群桩效应系数与土类有关。

The pile groups effect and its efficiency are associated with the soil type .

塑料大棚盘育稻秧的适宜土类及土壤pH值效应

Suitable soils for TRAY-RAISING of rice seedlings in plastic greenhouses and soil pH effect

1，2，4-三甲苯在Al／Ni＋Cr柱化蒙脱土类催化剂上的转化

Conversion of 1,2,4-Trimethylbenzene on Catalyst of Al / Ni + Cr-Pillared Montmorillonite

河南省主要土类土壤耕层镍（Ni）含量调查

Sample Investigation of Nickle ( Ni ) Content in Main Topsoils of Henan Province

上海地区利用扁铲侧胀试验的材料指数ID划分土类的研究

Study on soil classification with material index ID by flat dilatometer test in Shanghai

该区土壤pH值在4.8～7.1之间，平均为6.0，呈微酸性～中性，各土类间pH值变化不大。

Soil pH values in the areas were on the average of 6.0 , between 4.87.1 , was slightly acidic to neutral response .

分析不同土类固结系数的变化，归纳出三种典型的情况，即：CV随e的减小而减小；

There are three typical cases of variation of the consolidation coefficient for different soils types , i.e the value C_V decreases with the void ratio 's decrease ;

不同土类农田土壤N2O释放及其影响因素第一类肽链释放因子结构与功能研究的新进展

Study of N_2O Emissions in Different Fields Soil and Its Affecting Factors ; New Progress in Function and Structure of The Class ⅰ Polypeptide Release Factors

以隆安县为桂西南代表，根据地层、地形、土类等确定调查路线和采样点，挖掘土壤剖面，采集B层土壤，同一地层采集多个样品充分混合，以风干土混合样进行分析。

The Long ' an area was chose as representative of the southwest of Guangxi . Survey route and sampling spots and soil profiles were determined according to strata , landform and type of soils .

塑料大棚盘育稻秧适宜土类及pH值效应的试验结果表明，盐化潮土和砂姜黑土的碳酸钙含量、缓冲容量、全盐增量和pH值均高于淋溶褐土。

The test results showed that calcium carbonate content , buffer capacity , total salt increment and pH value of salinized Chao soil and Shajiang black soil were higher than those of drab luvisol .

F-PFS聚类法及其在土类划分中的应用

The F-PFS gathering method and its application in soil sorting

测定了中国中东部地区17种土类45个样点近表层10cm土样中水溶性有机物的紫外光谱和分子量分布特征，同时测定部分样品富里酸的相应特征。

Summary UV VIS spectroscopy and molecular size distribution of water soluble organic carbon ( WSOC ) of 45 soil samples collected from the eastern part of China were determined .

本文阐述了承载比（CBR）试验的重要性和广泛性，以3种土类的试验，介绍了室内试验的方法和试验结果的比较；

The importance and wide use of the California Bearing Ratio ( CBR ) test are explained in this paper . On the basis of three soil samples test the methods of indoor test and comparison of the test results are introduced .

采用最大30分钟雨强大于25～30mm／hr降雨的侵蚀产沙资料，计算的土壤可蚀性值比较稳定且接近这土类可蚀性的多年平均值。

But the field runoff plot data of which the maximum 30-minute rainfall intensity is larger than 25-30mm / hr are used to calculate the soil erodibility , the values appear relatively stable and approaches to annually average erodibility value .

占丹阳市水稻土类80%面积的三种水稻土属的自然生产潜力在种植小麦&单季稻两熟时基本上为13510.5kg/ha。

Potential yield of three paddy soils , which account for 80 % of paddy soil areas , is about 13510.5kg/ha under the wheat-single rice cropping system .

D-P准则是基于莫尔&库仑准则的适合于岩土类的准则，得到广泛应用，目前国内对D-P准则的研究和应用限于屈服面的子午线为直线的经典D-P准则。

D-P yield criteria are based on the Mohr-Coulomb criteria , and fit to rock and soil materials . At present , the study and application of D-P are classical D-P yield criteria , In the meridional plane , classical D-P yield criteria are linear .

黄淮海平原主要土类中硝态氮水平运移规律

Horizontal Transport of Nitrate in Main Soil Groups of Huang-Huai-Hai Plain

膨胀土类滑坡形成条件与成因机制分析

Analysis on formation conditions and genetic mechanism of dilative soil landslides

吉林省主要土类矿物组成的研究&Ⅰ.长白山几种土壤的矿物组成

Study on the mineral composition of major soils in Jilin Province

江西东北部低山区的土类组合

Soil Association of low mountain areas in northeastern Jiangxi Province

非地带性土壤有4个土类、九个亚类。

There are 4 soil types and 9 subgroups of azonal soil .

海南岛土类的分布概况及物理力学特性

Distribution Survey of Soils in the Hainan Island and Their Physico-mechanical Properties

潮土类土壤耕层养分变化及对策

Variation in nutrients in the plow-layer of aquic-fluvial soils and Its Countermeasures

桂林地区常见土类土粒比重经验值

Empirical Value of Specific Gravity of Common Soils in Guilin

山东省主要土类磷素形态及供磷状况的研究

Phosphorus forms and P-SUPPLYING status of main soil groups in Shandong Province

中国植被与主要土类的关系

The vegetation of China with special reference to the main soil types

岩土类软化材料的柱形孔扩张统一解问题

Unified Solution to Expansion of Cylindrical Cavity for Geomaterials with Strain-softening Behaviour

有限覆盖无单元法在岩土类弱拉型材料摩擦接触问题中的应用

Applications of the finite-cover element-free method in friction contact problems of tension-weak geomaterials

混凝土的破坏也具有岩土类材料屈服与破坏的一般特性。

The destruction of concrete has general properties of rock destruction and yield .