污染

Purpose and Methods : In this study , the micronucleus test and comet assay of V ice f aber were used to screen pollution situation of the surface water of Yangzhong city.

目的与方法：本文应用蚕豆根尖微核技术和彗星试验对扬中市不同水体的遗传毒物污染状况进行了初步调查。

The issue was then championed by environmental campaigners who stamped it indelibly with the images of global wildlife and language of self abnegation that spoke to their own concerns.

但是，在1992年召开的联合国环境与发展会议中提出：引起气候变化的原因（主要是燃烧化石燃料造成的污染）使它成为了全球性的环境问题。

However, there are a series of problems of environment at the same time, such as losing of soil and water, air pollution, climate abnormity etc.

同时，随着经济的发展也带来了一系列的环境问题，如水土流失、空气污染、气候异常等。

The database such as the vessel database, navigation aids facility database, hydro-meteorological information database and the database of the port facility and above–water facility in the area of responsibility are set up that the MSA can realize the vessels entering or leaving port management, above-water and underwater construction management, navigation alarm and announcement publishing, above water dangerous condition, accident , water area pollution , and vessel alarm monitoring in the area of responsibility, as well as master the circumstances in the water area of the accident and dangerous conditions and the dynamic positions of the navigation vessels.

建立了船舶数据库、助航设施数据库、水文气象数据库、港口设施、辖区水上设施数据库。实现海事局对船舶进出港管理、水上水下施工管理、发布航行警告、航行通告、监控辖区水上险情、交通事故、水域污染、船舶报警，掌握事故、险情水域情况以及有关巡航船舶位置动态。

Leaf Pb pollution had no significant effect on the aboveground dry weight and yield of rice.

叶面Pb污染对水稻地上部分干重和产量均无显著影响。

All Meguiar's waxes are non-abrasive, this means Meguiar's waxes contain no ingredients that will abrade the paint or instill a scratch.

所有的美光的蜡都是非研磨性质的，它不含可能磨损车漆或制造潜划痕的污染成分。

Least absolute deviation estimator of parameter in regression analysis for contamination data［J］.

污染数据回归分析中参量的最小一乘估计［J］。

In pot test, the absorption law of tobacco in the soil with compound pollution to heavy metal Cd, the improvement effects of 5 kinds of remediators on heavy metals and the interrelationships between Cd in tobacco and fresh weight, o...

方法采用盆栽试验，研究了在复合污染的土壤中烟草对重金属镉的吸收规律，5种改良剂对重金属的改良效果以及烟草体内镉与鲜重和其他重金属的相互关系。

Due to the multi-resolution feature of the wavelet transform, the signal that is reconstructed, after using the Birge-Massart strategy to deal with the wavelet coefficient, could be de-noised without losing the power of the absorption line.

根据小波变换多分辨率的特点，对受噪声污染的光谱信号进行小波变换，按照Birge-Massart策略对其小波系数进行阈值处理，实现在保留吸收峰信息的同时去除噪声的目的。

TIAN Wen-sheng（Chaigoubu Teachers School,Zhangjiakou 076150,China）Abstract:Taking account of δr≠0,through the equation of conservation of orbital angular momentum,orbital parameters equations on the mass change are re-deduced.

Ba星系统的星风吸积及污染因子刘俊红和仲池田文生摘要：用整个系统的角动量守恒条件代替切向动量守恒条件，且δr≠0，考虑轨道偏心率的高次项，推导了星风吸积质量及轨道参量变化方程。

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。