1、

Transparent plastic film mulching has good ability in increasing soil temperature than other film, and provide suitable soil environment in the winter and plant vigorous growth stage. The temperatures of transparent film is higher than black and silver plastic film in lant vigorous growth stage.

透明地膜覆盖土壤增温能力优于其它地膜,前期能够提供洋葱顺利越冬和翌春返青的优良土壤环境,发棵期透明膜比对照、黑色和银灰色地膜地表温度高。

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2、

Under the condition of low embankment and shallow soft soil, it should be cautious of the soft soil treated with plastic drainage belt combined with weight preloading.

采用塑料排水板堆载预压处理,即使是对于一般路段的低路堤,在软土厚度不大的情况下,仍然需要慎重。

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3、

Soil temperature variation in the dual-purpose corn field under different plastic film mulching modes

不同覆膜方式对粮饲兼用玉米田土壤温度的影响

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4、

Effect of residual plastic film in soil on growth and development of groundnut

地膜残留土壤对花生生育影响的研究

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5、

The main results of this paper showed that: The air temperature and soil temperature were gradually rising, but the air temperature, air relative humidity, soil temperature and day-and-night temperature difference in the plastic tunnel were higher than those in the open field before June.

其研究主要结果如下:气温和地温的季节变化均呈逐渐上升趋势,6月份之前大棚气温、相对湿度和地温均高于露地,且棚内昼夜温差大于露地。

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6、

To solve the problem of lack of better paving material, utilization of high plastic clay and bi-ash soil construction can be adopted.

江南水乡湖泽众多,缺乏优良的筑路材料,因地制宜地利用高塑性粘土进行二灰土施工解决了这一难题。

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9、

A valuable information that can be used to study mechanism of soil failure and improved further tractive performance of tracked vehicles is obtained from the process of plastic failure of the soil under the action of track link and the σ max~σ min figures.

计算得到的履带作用下的土体的塑性破坏过程和σ(max)~σ(min)图为研究土壤破坏机理和进一步改善履带车辆的牵引性能提供了参考资料。

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10、

study on the effect of irrigation under plastic preservation of soil moisture on soil and crop

地膜覆盖保墒灌溉的土壤水、热以及作物效应研究

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11、

effect of plastic mulching irrigation on soil moisture variation and plant growth

地膜覆盖灌水对土壤水分变化及作物生长的影响

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12、

displacement formula for composite foundation of composite piles is derived by considering the coaction of foundation soil, broken stone pile, cfg pile and bedding cushion and by applying the theory of elastic-plastic mechanics, which is proper for superstructure being constructed.

运用弹塑性力学知识,同时考虑地基土、碎石桩、CFG桩和垫层四者的相互作用,推导出了比较切合实际的上部结构动工后组合桩复合地基的沉降计算公式。

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13、

each nutrient content in plastic greenhouse soil was all higher than that of open vegetable fields and woodland soil.

大棚温室土壤各养分含量均比露天菜地和林地土壤高。

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14、

effects of soil fumigation with methyl bromide in plastic tunnel of tomato

溴甲烷土壤熏蒸技术在秋季温室番茄应用的研究初报

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15、

thick and soft roadbed with highly-filled soil improvement by preloading with plastic drainboards and sand piles

塑料排水板与挤密砂桩联合堆载处理高填土深厚软土路基

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16、

findings: do limit moisture content test, soil with sodium chloride, along with the increase of the salt content, soil liquid plastic limit declined.

研究发现:在进行界限含水率试验时,土中加氯化钠时,随着含盐量的增加,土的液、塑限均有下降。

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17、

plastic limit analysis of heterogeneous soil slope using finite elements

非均质土坡的有限元塑性极限分析

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18、

testing method of the fluid and plastic index of soft and residual soil

软土、残积土的液、塑性指标的试验方法探讨

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19、

study on strengthening humid-plastic cement soil

湿塑性水泥土增强研究

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20、

eventually, it dug a hole underneath the faculty parking lot and lined it with plastic, fresh soil and pebbles.

最后,学校在教师停车场下挖了一个洞,铺了塑料布、新土和石子。

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