查询词典 soil mass

For actual productivity of soybean, the rank is black soil, meadow soil, dark brown soil, chernozem saltierra and saltern, aeolian soil.

不同土壤条件下的大豆现实生产力存在差异：黑土＞草甸土＞暗棕壤＞黑钙土和盐碱土＞风沙土。

For different soils, the rank of actual productivity of maize is black soil, meadow soil, chernozem dark brown soil saltierra and saltern, aeolian soil.

不同类型耕作土壤对玉米和大豆现实生产力的影响分析表明，对于玉米而言，6类不同土壤条件下的玉米现实生产力存在以下规律：黑土＞草甸土＞黑钙土、暗棕壤和盐碱土＞风沙上。

The quality of black soil was best, but 7.97 percent of phaeozem had been changed into middle grade or low grade land.43 percent of chernozem belonged to middle and low product field, thus the black soil degenerated seriously. Since slightly sand soil kept better land quality, the soil might be exploited through intensification of sand regulation and farmland protection.

结果表明：研究区土地质量总体东部优于西部，黑土地质量最好，但已有7.97%的黑土已成为中等或差等土地，黑钙土有43%属于中低产田，黑土地退化严重；轻度沙化土地仍保持较好的土地质量，加强沙化治理与耕地保护，仍可发挥其生产潜力。

Zonal soils chestnut brown calcium soil and soil small size, only the upper part of the distribution of the alluvial fan and central parts of the formation of long-term irrigation Yuguan light meadow soil widespread development, soil depth, with certain fertility, is a good base for grain production.

地带性土壤栗钙土和棕钙土面积不大，仅分布在洪积扇的上部和中部，长期灌溉形成的淤灌浅色草甸土广泛发育，土层深厚，具有一定肥力，是粮食生产的良好基地。

In the 20 yr forest, 304. 6gm〓 C and 11. 6gm〓 N are inputted to the soil. In the 80 yr forest, 502. 3gm〓 C and 17. 2gm〓 N are inputted to the soil. In the climax forest, 430.3gm〓 C and 11. 9gm〓 N are inputted to the soil. Along with forest succession, the C inputted to the soil B layer by fine root increases because of the deepening of root depth distribution.

白桦山杨幼林、白桦山杨成熟林与原始阔叶红松林中，细根每年向林地周转的碳量分别为304.6gm〓、502.3gm〓、430.3gm〓，氮量分别为11.6gm〓、17.2gm〓、11.9gm〓；其中，随着演替的进行，由于根系分布的加深，细根每年向土壤B层周转的碳量会逐渐增加。

As well,in the soil's (0～20 cm)coacervate constitution,the large soil types concent increased,the little soil types concent decreased and the specific surface drooped;furthermore,the water-redention capacities of soil drooped,but the available water content and the specific water capacitiesincreased,the water-supply ability strengthened.

经生物、化学改良后，0～20 cm土层土壤微结构中大粒级颗粒含量增加，小粒级颗粒含量减少，土壤比表面值降低；土壤持水力降低，但有效水含量和比水容量增加，土壤供水能力增强。

The yellow soil, fly ash and sand and stone are analyzed for their abilities of clearing from the impurities to choose the best combination of soil stuffing, in which stuffing is 60cm thick, fly ash covers 5 percent ,and sand and stone are in the ratio of 3 to 1. The acclimated activated sludge added to the soil stuffing in two ways, the PVC tube used which is 160 cm high and whose inside diameter is 110cm, the pint-sized soil stuffing columniation is set up in the lab.

对所选黄壤、粉煤灰、砂石的去污能力进行分析，最终确定粉煤灰投加量为5%、土：砂质量比为3：1为最佳的土壤填料组合，土壤填料厚度为60cm，并以两种方式将驯化的活性污泥添加到土壤填料中，采用内径为11cm、高160cm的PVC管建立起实验室小型的土壤填料柱系统。

Result Under the same climate and rock condition, the distribution of the soil organic matter and N, P, K changed congruously in the soil section. Moreover, soil nutriens were accumulated more intensively in the surface soil.

结果］在同一气候和母质条件下，针阔混交林次生演替群落中土壤有机质与氮、磷、钾等在剖面分布上的变化趋于一致，且在表层土壤中养分积累作用明显，与凋落物-土壤的分解吸收作用有关。

Meters above sea level there is a large area below the distribution of pine forest, Shan-lin, Mao bamboo, soil is red soil (500 meters) and yellow (50-800 or 100 meters); 800 meters above the Huangshan pine and chestnut, chemical incense, bubble tree forests, mountain yellow brown soil; 1500 meters above the grass, mountain meadow soil coppice.

海拔80米以下分布有大面积马尾松林、杉林、毛竹林，土壤为红壤（500米以下）和黄壤（50—800或100米）；800米以上为黄山松林及锥栗、化香、泡树次生林，山地黄棕壤；1500米以上为草丛，山地矮林草甸土。

Soil respiration response to different stages of vegetation restoration was determined via closed system measurements of carbon dioxide and selected factors affecting the correctitude and sensitivity of soil respiration. Eight different soil samples under different vegetation restoration stages were separately collected at 0~20 cm and 20~40 cm soil depth in spring and summer and both fresh and air-dried samples analyzed.

为探讨黄土丘陵区草地植被自然恢复过程中土壤微生物活性的变化特征及其影响因素，采用"时空互代"法采集宁夏云雾山自然保护区8个不同植被恢复年限的春、夏两季0~20cm和20~40cm的土样，用室内密闭静态培养－碱液吸收法测定了新鲜和风干土样的基础呼吸。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。