其中风扇冷却尤为适用于缺水或水质差的地区。
Of which the blower cooling is especially suitable for the ares lack of water or of a poor water quality.
循环冷却水水质差是冷凝器表面结垢的主要原因。
The circulating cooling water of low quality is the primary reason for incrustation.
石门水库建库已久，很多设备已经过时，难免会出现水质差的情况。
Reservoir in the stone thumb latch sets up a bank already a long time, a lot of furnisheds have been dated, unavoidably will appear the condition that the water quality differs.
我国农村饮用水安全问题主要体现在水质差、水量不足、取水不便、不能保证供给等方面。
The present problems are mainly embodied in the bad water quality, not enough water quantity, inconvenient pick-up, no supply of safe water, and so on.
在我们生活中常常可以听到人们抱怨：太糟糕了周围的环境，空气污染严重，水质差，灰尘满天，垃圾随处可见。
In our lives can often hear people complain about: too bad the surrounding environment, air pollution is serious, poor water quality, dust all over the sky, garbage everywhere.
传统的稀释测定法操作复杂，数据重现性差，测定周期长（一般为5～7天），不能及时指导水质评价和有效地控制污水处理。
The traditional method of dilution fails to duly guide the evaluation of water quality and effectively control sewage treatment because of complicated operation which may last for 5 to 7 days.
经轴纱线染色的缸差是染色诸因素不重现所致，与设备、水质、原材料及工艺都有关系。
Warp beam jar that is caused to reappears by all factors. There are relations with equipment, water quality, raw materials and craft.
本文根据常微分方程参数反问题的数学理论，将正交化方法同有限差分法结合用于确定水质模型参数，并与正则化方法、最速下降法和共轭梯度法作了比较。
The comparison of the calculation results show that orthogonal rule method is fast, simple and reliable, and is applicable to the calculation of the water quality modeling parameters.
但在特别差的水质情况下，应缩短清洁间隔。
But if in worst cooling water, we must shorten the frequency of cleanness.
印染废水是一种水质水量变化大、有机物含量高，可生化性差，COD高，色度高的难降解废水。
The dyeing and finishing wastewater with the character of great change in quality and quantity, high- concentration organic contaminants, low BOD/COD value, high chroma is degraded difficultly.
探讨合成氨厂循环水普遍存在加氯杀菌效果差，水质容易恶化的问题。
This article mainly discusses the common problems of poor bactericide effect by addingchlorine and water quality spoilage existed in circulating water in ammonia plant.
它成份复杂，可生化性差，水质和水量波动性大，这些特点使得渗滤液的处理仍然是目前尚未彻底解决的世界性难题。
At present, the treatment of leachate is still a world-wide problem because of the complex component, worse biodegradability and much fluctuation of water quality and water quantity.
缺点是需随着水质变化改变投料条件，对亲水性染料的脱色效果差，cod去除率低。
It requires change with changes in feed water quality conditions, the decolorization effect of hydrophilic poor, COD removal rate.
缺点是需随着水质变化改变投料条件，对亲水性染料的脱色效果差，cod去除率低。
It requires change with changes in feed water quality conditions, the decolorization effect of hydrophilic poor, COD removal rate.
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