Experts caution that the harmful effect of fog on our health is often concealed.
译文：专家提醒说，雾对人体健康的危害有很大的隐蔽性。
Searching for the effect biomarkers of long-term and low-level exposure to op has a very important meaning in detection of the earlier harmful effect of exposed populations in time.
探讨长期低剂量接触OP的效应标志物，对于及时发现职业接触人群早期健康损害，预防和控制慢性农药中毒具有十分重要的意义。
Unhealthy information on the Intemet refers to the information which violates the legal stipulation, breaks the social public order and morality, and brings harmful effect on the society.
网络不良信息是指通过互联网散布的不符合法律规定、有违社会公共秩序与道德、对社会产生有害影响的信息。
He said that toxic chemicals are having a seriously harmful effect on the human gene pool.
他说有毒化学物质对人类基因库有很严重的危害。
It can even have a harmful effect on the child's mental development in the early years of her life.
紧张也可能对孩子早年的智力发育造成不良影响。
High malfunction rate of the catalytic gas compressor brings harmful effect on the production operation.
催化气压机历来故障率高，对装置生产运行造成消极影响。
The industry is also producing cars that limit pollution and have a less harmful effect on the environment.
汽车产业还生产出污染少的环保汽车。
In cities of China, industry produces heavy pollution, the related harmful effect has drawn extensive concern.
我国城市工业污染严重，其不良健康效应倍受关注；
Conclusions: P-selectin Mab could inhibit the metastatic tendency with no harmful effect on host immune function.
结论：P选择素单抗对肿瘤转移具有抑制作用，而对小鼠细胞免疫功能无明显抑制作用。
The cream provides a natural protection against the harmful effect of the UV-sunrays thanks to vitamin E included in it.
该日霜由于含有维生素 E，能维护肌肤免受紫外线的损害。
To identify clearly the harmful effect of childhood simple obesity, interfere earlier and make children grow up healthily.
认清儿童肥胖的危害性，做到早干预，使肥胖儿健康成长。
There was no obvious harmful effect on the workers' health in the underground semi-closed circumstance for a rather short time staying.
地下半密闭环境在短期内对人员健康无明显不良影响。
Thus it is shown that the comparative content of the two amino acids in Xiangyun extract will have no harmful effect on hepatitis patients.
由此说明香云浸膏中所含的上述两类氨基酸含量对肝炎患者显然无不利影响。
Although inversion rate of sugar and glucose content are different with different kind of products, no harmful effect is found on the quality of products.
各产品的蔗糖转化率虽不同，葡萄糖含量不一，但这种差异对产品质量无不良影响。
The harmful effect of heavy metal ions and the cause of heavy metal ions in lead-zinc tailing wastewater are analysed, the treatment methods and examples are presented.
介绍了重金属的危害，分析了铅锌矿尾矿废水含重金属离子的成因，提出了治理方法并例举了应用实例。
Thirty-eight species in five families of the superfamily Coccoidea were enumerated. Their distributions, hosts, biological habits and harmful effect of some species were noted.
同时对其分布地点、寄主植物和部分介壳虫的生物学特性以及危害特点作了介绍。
The calculation indicates that the maximum shear stress around inclusion is 1.2-1.7 times of that without inclusion, which has a harmful effect on the fatigue endurance of rail.
计算发现，夹杂物周围的最大剪切应力是不含夹杂物时的1.2～1.7倍，这对钢轨疲劳寿命造成有害影响。
If deltamethrin be used with prescript dose in paddyfield, it will have no harmful effect on fish breeding in paddy field and nearby fish pond, but will be more harmful to shrimp.
在稻田中按规定的剂量使用溴氰菊酯农药治虫，对稻田养鱼和邻近鱼塘无危害影响；对虾类有较大的危害性。
This paper has given an analysis on where arsenic comes from, present pollution situation, and description of arsenic and its compounds' harmful effect on environment and life things.
主要介绍了砷的基本性质及水环境中砷污染的来源、现状，阐述了砷及其化合物对环境和生物所造成的毒害。
For a long period, the industrial and city sewage were over-discharged along the Yangtze River, which would no doubt have harmful effect in estuary environment either directly or indirectly.
长期以来，长江流域的工农业及城市生活排污一直没有得到有效的控制，这必将对下游河口地区的生态环境造成直接或潜在的威胁。
Cement flying dust decreased the yield of rice and rape at some farmlands, but did not produce harmful effect on its quality. There was an obvious increase in calcium content in polluted soil.
水泥粉尘使一些农田水稻和油菜产量有所下降，但对质量未产生不良影响，水泥粉尘会使土壤中钙的含量明显增加。
It is different from other kind of risk and has a particular position because of its deep, overall, harmful effect to economy and the close relation with the whole crisis of society and economy.
由于它对经济的影响更具深层性、全局性和危害性，与整个社会和经济的全面危机有着最密切的关系，使其区别于其他风险而具有特殊的地位。
The spectrum utilization ratio should be improved without harmful effect on current wireless systems and applications. This will greatly help to solve the bottleneck problem of spectrum scarcity.
在不对当前无线系统和应用产生明显影响的条件下提高频谱使用效率，将有助于缓解频谱资源短缺这个瓶颈问题。
The results showed that there were 36 to 131 sorts of benzene and its derivatives, heterocyclic compounds, and polycyclic compounds being detected. Most of them have harmful effect on human health.
分析结果表明，这些香烟中，含有苯类衍生物、杂环类化合物及多环化合物等，从36种到131种不等，绝大多数有害人体健康。
The results showed that there were 36 to 131 sorts of benzene and its derivatives, heterocyclic compounds, and polycyclic compounds being detected. Most of them have harmful effect on human health.
分析结果表明，这些香烟中，含有苯类衍生物、杂环类化合物及多环化合物等，从36种到131种不等，绝大多数有害人体健康。
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