查询词典 soils

The contents of the Kjeldahl nitrgen, the residual fixed ammonium and the fixed ammonium in soils sampled in different locations in China were measured, and three measuring total nitrogen methods in soil were compared with.

开氏定氮法只能定量回收1：1粘土矿物类型的土壤中的固定态铵，而无法回收2：1粘土矿物类型土壤中的固定态铵。

This research studies the effects of mineral oil of Lateritic Red Earth and Laterite on the paddy's and peanut's physico-ecologies and the reduction of mineral oil in these soils by the pot-planting simulation test.

本研究采用盆栽试验法，研究了赤红壤、砖红壤中矿物油对水稻、花生的生理生态影响和矿物油在土壤中的净化。

The Wien effects of three variable charge soils (red soil, lateritic red soil and latosol) saturated with various chlorides in electric field were different. The relative electrical conductivities of red soil saturated with various chlorides increased apparently with the increase in field strength, whereas that of latosol were almost equal to 1 in the test field strength (15 kV cm-1 to 250 kV cm-1), the increase of △EC in lateritic red soil were between that of red soil and latosol.

各氯化物饱和红壤悬液的相对电导率随着场强的增加而明显增大，且不同的氯化物饱和悬液的△EC之间差异明显；砖红壤悬液的△EC随着场强的增加没有出现变化，在所测场强下（15 kV cm -1到250 kV cm -1）各悬液的△EC都几乎为1；而赤红壤悬液中的现象处于前两者之间。

The Wien effects of three variable charge soils (red soil, lateritic red soil and latosol) saturated with various chlorides in electric field were different. The relative electrical conductivities of red soil saturated with various chlorides increased apparently with the increase in field strength, whereas that of latosol were almost equal to 1 in the test field strength (15 kV cm-1 to 250 kV cm-1), the increase of △EC in lateritic red soil were between that of red soil and latosol.

各氯化物饱和红壤悬液的相对电导率随著场强的增加而明显增大，且不同的氯化物饱和悬液的△EC之间差异明显；砖红壤悬液的△EC随著场强的增加没有出现变化，在所测场强下（15 kV cm -1到250 kV cm -1）各悬液的△EC都几乎为1；而赤红壤悬液中的现象处于前两者之间。

But the strata with high ground water level are composed of alluvium clays、 silty clay、 gravels and crushed stone soils in Chengdu;And the shield will drive in the interzone with complicated geologic environment, especially in the strata contained more than 50 percent of gravels which diameter is greater than 5cm, also contained big grain size gravels(the maximum diameter is about 1m)、 cement gravels and silty sand with lentoid mass;And on the ground there have many serried buildings in the prosperous zone.

而成都地铁工程将主要穿越由冲积粘性土、粉土、砂砾和碎石类土组成的覆盖层，地下水位高，盾构将通过大量地质条件和环境条件均极为复杂的区间，特别是地层中还夹杂有大漂石、胶结砾石层、粉细砂透镜体，隧道围岩中直径大于5cm的砾石含量一般都在50%以上，最大的漂石直径达1m左右，且地面多为建筑物密集的繁华地区，施工难度大，国内尚无先例，在国外也无完全成熟的经验。

In germination experiment, illumination had no effect on germination rate. Within certain range, rising temperature may accelerate germination rate of Lepidium apetalum, but had no effect on other species. The vermiculite of different soils also has great effect on seed germination.

萌发实验结果则表明，光照对四种短命植物种子萌发率没有显著影响；在一定范围内温度的升高能够促进独行菜种子的萌发，而温度升高对其它三种短命植物没有显著影响。

MethodIn the pot test, 4 kinds of wild halophytes (Melilotus suaveolens L, Limonium bicolor K., Salsola collina P.and Artemisia argyi L.) were cultivated in 3 kinds of salt and alkali soils selected from the wastelands of Dagong district, Jixian county and Xiqing of Tianjin city for salt tolerance stress treatments and their physiological indexed such as proline, MAD and soluble sugar content was determined.

方法］土壤为采自天津市大港区、蓟县、西青荒地的3种盐碱土，采用盆栽试验对4种盐生植物（草木樨、猪毛菜、艾蒿和补血草）进行耐盐胁迫试验，测定其耐盐指标（游离脯氨酸、丙二醛和可溶性糖含量）。

Soil salinization-alkalization ; Sodic salinity ; Limy soils ; Salinization characteristic

土壤盐碱化；钠盐；石灰性土壤；盐化特性

The object of study was orchard limy soils in Qin'an County of Gansu Province,a laboratory simulant experiment was carried out to probe into the effects of three sodic salinity(NaHCO3,NaAc,NaCl)on limy soil salinization characteristic(soil total salt,pH,water-solubility sodium,exchangeable sodium).

以甘肃省秦安县果园石灰性土壤为研究对象，利用室内模拟的方法，探讨了三种钠盐(NaHCO3、NaAc和NaCl)对石灰性土壤盐化特性(全盐、pH、水溶性Na+和交换性Na+)的影响。

Based on the background of metro construction in Nanjing city, a large-scale shaking table test is accomplished to model the dynamic soil-tunnel interaction with liquefiable soils included in site.

以南京地铁的建设背景为基础，对含有可液化土层的深厚软弱场地上双洞单轨的地铁区间隧道结构进行了大型振动台模型试验研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。