采用盆栽和小区试验,研究了在石灰性土壤中镍污染对小麦和水稻的影响;
Both pot and plot tests were carried out to study the effects of nickel on wheat and rice grown on calcareous soil with nickel containing sludge applied.
我们镇上的工业污染应该已经把学生们变成了活生生的科学实验品,他们每天都要吸入相当于实验室含量的锰、铬和镍等重金属。
Industrial pollution in our town had supposedly turned students into living science experiments breathing in a laboratory's worth of heavy metals like manganese, chromium and nickel each day.
橡胶手套可以防护他不触及电池的化学物质,比如镍、钴和锰,同时还可以保护电池的精密组织,不被他手指上的天然皮肤油脂污染。
The gloves protect him from the chemicals in the battery, which include nickel, cobalt and manganese, and shield the battery's delicate tissues from the natural oils on his fingers.
考虑到铬镍不锈钢(SS)的抗腐蚀和防污染性,高纯水系统基本上都是由铬镍不锈钢材料构成。
High purity water systems are primarily composed of austenitic stainless steel (ss) materials due to their corrosion resistant and contaminant free properties.
金属钝化剂可以抑制镍和钒等金属对催化裂化催化剂的污染,使被污染催化剂的性质得到改善。
Metal passivator can inhibit nickel and vanadium pollution on the catalytic cracking catalysts and improve the property of polluted catalysts.
通过盆栽试验,分别探讨了镍在砂壤水稻土中对水稻和在草甸黑土中对玉米的污染效应和累积规律。
The pollution effects and accumulation rules of nickel were studied in the sandy loam paddy soil for rice and in the meadow soil for corn by pot experiments.
通过这种方法,既回收了镍,又降低了对环境的污染,结果令人满意。
The result is that the nickel is recovered and the environmental pollution is reduced.
研究结果表明,化学镀液的循环利用和催化剂的回收套用的方法非常有效,降低了化学镀镍成本,减少了环境污染。
Above results indicated that the methods of recycle of chemical plating bath and recovery of catalyst were effective and would greatly save cost and reduce environmental pollution.
金属镍在电镀以及人造金刚石生产中有着广泛的应用,但会产生大量的污染。
Nickel is widely applied in electroplating and the synthetic diamond manufacturing, which causes a great deal of pollution.
介绍了如何从废镍催化剂中提取镍,减少环境污染,降低硫酸镍的制造成本。
The paper mainly introduces how tonickel from waste nickel catalyst, so as to reduce environmental pollution and production cost.
工业上用过的污染膜和滤饼层的组分分析表明,污染物主要是骨架镍催化剂。
The components of the cake and fouled membrane in the plant were analyzed. It indicated the pollutants were mainly composed of Raney nickel catalyst.
湾内沉积物中锌、镉、钴和镍的可交换态比例明显高于湾外,体现了沿岸污染径流输入的影响。
The proportions of exchangeable Zn, Cd, Co and Ni in the inner bay were higher than in the outer bay, indicating the impacts of pollutant input along the bank.
该矿主要职业危害因素是生产性粉尘、镍及其他化学物所致空气污染、噪声以及高气温与热辐射。
It was found that the main occupational hazards in nickel mine are air pollution (industrial dusts, nickel and other chemical agents), noise and heat stress.
人造金刚石生产废水中含有较高浓度的镍离子,对环境有严重的污染,但又具有一定的回收价值。
The highly concentrated Ni2 + could be found in the man-made diamond wastewater that causes serious pollution to the environment, but is worthy of reuse.
对电镀含铬废水及混合废水中的锌、镍、铜、氰化物、磷、油等污染物有显著的治理效果,是较理想的电镀混合废水治理新工艺。
It has a remarkable effect in treating chromium containing wastewater and zinc, copper, cadmium cyanide, phosphorous, oil, etc. in mixed electroplating wastewater.
本发明方法既可以提高镀镍层的抗腐蚀能力,同时也有效地较少了钝化液对环境的污染。
The method can improve the corrosion resistant capability of the nickel plating layers and simultaneously effectively reduce the environmental pollution of the passivation solution.
本用红土矿冶炼含镍铁水的方法冶炼含镍铁水的产成本较低、减少 环环境污染。
The method for smelting nickel-containing molten iron by use of laterite ore has the advantages of lower production cost for smelting nickel-containing molten iron and less environmental pollution.
破碎过程中不会引起铁、铬、镍等金属离子的污染。
Fine ions do not generated when the process and the device crush the polysilicon rod prepared by all methods.
破碎过程中不会引起铁、铬、镍等金属离子的污染。
Fine ions do not generated when the process and the device crush the polysilicon rod prepared by all methods.
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