土壤的例句大全

When the concentration of exogenous La 3+ was higher than 300 mg/ kg, base saturation percentage ( BSP) and effective cations exchange capacity ( ECEC) decreased significantly, exchangeable acidity and exchangeable aluminum, however, increased significantly compared with the control.

当外源镧浓度大于300mg/kg时，土壤盐基饱和度与有效阳离子交换量显著降低，而交换性酸和交换性铝显著增加。

DFAC and urea were mainly derived from continental sources, and urea in spring aerosols were associated with the sublimation of urea in soils.

其中DFAC和尿素主要来自于陆源的影响，春季，气溶胶中尿素氮主要与土壤中尿素的升华有关。

Moisture retentivity of soil.

土壤对潮湿的保持力。

The main results included: 1. Soil properties such as bulk density, water retentiveness and thermal conductivity under NT was higher than that of CT and RT.

免耕耕层土壤容重高，持水性强，导热率高。

The probe of the space shuttle got a lot of soil samples of the moon.

宇宙飞船的取样器收集到很多月球的土壤样品.

In this article, one method of how to calculate a bridge's linear foundation stiffness and non-linear foundation stiffness are described in detail according to the FHWA report.

根据FHWA的报告，由土壤和桩的几何特性推出了桥梁基础刚度的线性和非线性计算方法。

Using FFAP quartz glass capillary columm and adopting adequate carrier pressure and process, a gas chromatographic method was performed for the determination of fatty acids in the epiphytes from the soil near the Yun-Gui altiplano jokul.

选用固定液为FFAP的石英玻璃毛细管柱，设置合适的载气柱前压、分流比及程序升温，采用气相色谱法测定了采自云贵高原雪山、雪线附近土壤中的真菌的脂肪酸组成。

Deduction of corrosion rate of metal in soils by means of FCMs

利用FCMs技术推算金属在土壤中的腐蚀率

In Australia, a shallow soil is scraped into ridges on which trees are planted.

在澳大利亚把表层土壤作垄,果树栽在垄上.

Territory by long-term soil tillage cultivation, a higher degree of maturation.

境内土壤经 长期 耕垦, 熟化程度较高.

A determination method of pefurazoate residue in rice and soil was established.

建立了水稻及土壤中微量稻瘟酯的残留分析方法.

The function of the isolated strain DSP was located on a plasmid, and the possibility of using using the degradative plasmid to enhance chlorpyrifos degradation in soil was investigated.

同时对毒死蜱降解菌的降解功能定位及其降解质粒pDOC在土壤中的应用进行研究。

Response of growth and some physiological characters to soil drought stress in Myrica rubra Biet

土壤干旱胁迫对杨梅生长及部分生理特性的影响

Owing to its high capacity for absorbing water, high degree of water retention under pressure and high thickening power, it is widely applied to paper diapers, underpads, water holding agents for soil, industrial dewatering agents, thickener etc.

由于其高吸水性、在压力下的高保水性和高增稠性，被广泛应用于纸尿布、生理巾、土壤保水剂、工业脱水剂、增稠剂等。

The results indicated that direct reasons for causing the severe shortage of soil water and the difficult restoration of vegetation were an enormous evaporating capacity and longterm drought in the dry season.

结果表明：旱季干旱指数大、持续时间长是干旱河谷土壤水分严重亏损及植被恢复困难的直接原因；

The evaporating capacity of surface soil in mobile dune is mostly rest with thickness of dry sand bed, with the increasing of dry sand bed thickness, the evaporating capacity reduce gradually.

流动沙丘土壤表层蒸发量主要取决于干沙层的厚度，表现为随着干沙层厚度的增加，沙丘表层的蒸发量逐渐降低。

These show that the slag wastelands have little water accumulation and high evaporative power, alkaline soil, the low content of organic matter, N, P, K.

这表明矿渣废弃地渗透系数大，蓄水量少而蒸发失水强烈，抗旱力弱；碱性较强，土壤有机质、N、P、K含量低；

Application of some actual evapotranspiration models in simulation of soil moisture

几种实际蒸散计算方法在土壤水分模拟中的应用

Extracting machine for earth minerals or ores, not self-propelled

土壤、矿物或矿石采掘机，非自动推进式

Research on Two Extracting Solution s for the Saline-alkali Soil

盐碱化土壤的两种提取液研究