土壤学

Iron-manganese cutan; matrix soil; manganese oxide; heavy metal element; soil geochemistry; 1.4 nm intergrade mineral; surface chemistry property

农业科技，农业基础科学，土壤学铁锰胶膜；基质土壤；氧化锰；重金属元素；土壤地球化学； 1.4nm过渡矿物；表面化学性质

Result indicates the pedology research, soil conductance leads this one parameter to have contained many ways of soil quality information.

土壤学的研究结果表明，土壤电导率这一参数包含了土壤品质的多方面信息。

Some methods of environmental geochemistry, pedology, ecology and statistics are combined applied to study the effects of discarded rocks and mining tailings in metal mining on soil heavy metal pollution and the effects of these contamination on hygienic quality and nutritional quality of Chinese cabbage .

综合运用环境地球化学、土壤学、生态学和统计学的方法开展了矿山废弃物尾矿石的堆置对土壤造成的污染以及矿区土壤重金属污染对白菜的卫生品质和营养品质的影响研究。

The study of soil degradation has become the focus of the 21st century inter- national pedology, agronomy, hydrology, environmental science and soil erosion science, however, a lot of theoretical problems and course mechanism aboutsoil degradation are uncertain hitherto.

土壤退化研究已成为21世纪国际土壤学、农学、水文学、环境科学及侵蚀学科关注的热点，但是直到今天为止有关土壤退化的许多理论问题及过程机理尚不清楚。

The study of soil degradation has become the focus of the 21st century inter- national pedology, agronomy, hydrology, environmental science and soil erosion science, however, a lot of theoretical problems and course mechanism about soil degradation are uncertain hitherto.

土壤退化研究已成为21世纪国际土壤学、农学、水文学、环境科学及侵蚀学科关注的热点，但是直到今天为止有关土壤退化的许多理论问题及过程机理尚不清楚。

Brar Z S%Singh M Effect of plant regulators on biomass and productivity of cotton gossypium Indian of Ecol , 1983,null

莫淑勋 土壤中有机酸的产生、转化对土壤肥力的某些影响土壤学进展， 1986，null

In this study, with a total of 798 SOC density data and the 1:500 000 soil maps, the SOC storage in YunnanGuizhouGuangxi Region of China (including Yunnan province, Guizhou province and Guangxi Zhuang Autonomous Region) was estimated using the soil type method with the linkage of arithmetic mean method, median method, and areaweighted mean method (based on the area recorded in the Soil Series) based on different map units and the results were compared with that of the linkage of PKB method (Pedological Professional Knowledge Based Method).

利用中国滇黔桂地区（云南省、贵州省和广西壮族自治区）798个土壤剖面及1∶[KG-*2]50万土壤图在不同的制图单元水平上，分别采用算术平均值法、中值法和面积加权平均值法（以土种志中的面积为权重）估算了该地区1 m深度SOC储量，并与基于土壤学专业知识连接方法（Pedological Knowledge Based Method， PKB）的估算结果进行了比较。

In this study, with a total of 798 SOC density data and the 1:500 000 soil maps, the SOC storage in Yunnan-Guizhou-Guangxi Region of China (including Yunnan province, Guizhou province and Guangxi Zhuang Autonomous Region) was estimated using the soil type method with the soil type method with the linkage of arithmetic mean method, median method, and area-weighted mean method (based on the area recorded in the Soil Series) based on different map units and the results were compared with that of the linkage of PKB method (Pedological Professional Knowledge Based Method).

利用中国滇黔桂地区（云南省、贵州省和广西壮族自治区）798个土壤剖面及1：50万土壤图在不同的制图单元水平上，分别采用算术平均值法、中值法和面积加权平均值法（以土种志中的面积为权重）估算了该地区1 m深度SOC储量，并与基于土壤学专业知识连接方法(Pedological Knowledge Based Method，PKB)的估算结果进行了比较。

Desert pavement commonly occurs on the three soil site surfaces, which is composed of pebbles and fragments formed slowly in typical desert zone. Many pebbles are subround and variegated.

土壤学特征：1三个土壤地点的地表都有一层砾石层平铺在土壤的表面，称之为漠境砾幂。

With the test of growing plant in pot,the enrichment characteristics of heavy metal Cu in wheat were studied.

土壤污染是农产品不安全的源头，土壤生态安全与农业可持续发展是现代土壤学的根本任务[1-2]。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。