他任由马克杯里积上一层薄薄的咖啡垢。
He allowed a fine patina of old coffee to develop around the inside of the mug.
格里利蓬头垢面，总是看起来像一张未整理的床。
目的是要构建和鉴定耻垢分枝杆菌的重组体。
The objective is to construct and identify recombinant of Mycobacterium smegmatis.
不过检查管道生垢状况以及重新计算以核算帐目平衡也需要花上好几个月。
But inspection of furred-up pipes and recalculations to make the books balance can take months.
陈先生教给我的第二个经验是，为了得到你想要的，你必须尊重所有人，有时还应忍辱含垢。
The second lesson Mr. Chen taught me is that to get what you want you have to respect everyone and sometimes eat humble pie.
而碳酸盐与硫酸盐的结垢最为严重。
只需使用一点清洁剂就能将顽垢除去。
Stubborn stains can be removed using a small amount of detergent.
垢的抑制技术也可用来防止垢的形成。
Scale inhibition techniques also may be used to prevent scale formation.
本文重点叙述结垢的原因和防垢的方法。
This article mainly expounds the cause of scaling and anti-scaling measures.
循环冷却水；腐蚀；结垢；化学处理；控制。
Recycled cooling water; Corrosion; Scaling; Chemical treatment; Control.
用于循环冷却水系统中与阻垢剂等复配成阻垢缓蚀剂。
It is used in cooling water circulation system with scale inhibitor etc. Mix built up scale corrosion inhibitor.
聚天门冬氨酸是新一代可生物降解的绿色阻垢缓蚀剂。
Poly (aspartic acid) is a new kind of biodegradable scale inhibitor and corrosion inhibitor.
结果表明，该技术能快速准确地评价阻垢工艺的效果。
The results showed that this method could evaluate the effect of anti-scale process accurately and quickly.
讨论了催化裂化油浆系统的结垢原因及减少其结垢的措施。
The causes of fouling in catalytic cracking slurry system and countermeasure to reduce fouling are discussed.
聚环氧琥珀酸(PESA)是一种新型的无磷有机阻垢缓蚀剂。
Polyepoxysuccinic acid (PESA) is a new kind of scale and corrosion inhibitor which does not contain phosphorus.
铁拐李是中国民间传说中的八仙之一，他蓬头垢面，袒腹跛足。
Tieguaili, one of the Eight Immortals in the Chinese folklore, was unkempt and lame and exposed belly.
臭氧在处理循环冷却水时能起到杀菌、缓蚀、阻垢及脱垢的作用。
Ozone used in cooling water system can play a role in sterilization, corrosion, scale inhibition and descaling.
不易结垢。直通管的采用，不仅加大了换热面积，而且不易结垢。
Hard for incrustation: the adoption of straight pipe avoids the phenomenon of incrustation while enlarges the area of heat-exchanging.
我们对卤水处理与卤水精制的质量、膜结垢的清洗技术进行了研究。
We study the quality of brine treatment and brine purification as well as cleaning technology of Gore membrane scaling.
对各种无机垢和有机垢的形成原因及其清洗方法进行了全面评述。
The forming reasons and the cleaning methods of different inorganic and organic scales in industry were reviewed.
据此提出了考虑垢层表面温度变化的描述结垢过程的传热传质模型。
A heat mass transfer model is constructed to take the variation of the scaling layer surface temperature into consideration.
为了防止结垢和有效地控制结垢，各石油公司开展了多方面的研究工作。
In order to prevent and control efficiently scale deposit, various researches are made by oil companies.
工业循环水腐蚀、结垢是影响冷换设备换热效率及使用寿命的主要因素。
Corrosion and scaling caused by industrial recycling cooling water are the main factors affecting heat exchange efficiency and equipment lifetime.
摘要文章简述了换热器结垢的类型和影响因素，分析了常用的除垢方法。
Types of fouling in heat exchanger and their affected factors are summarized. Some usual cleaning methods are analyzed.
必须使用经过软化处理的软水，以免结垢堵塞水路，引起不必要的故障。
The soft water through softening process must be used to avoid its scale-formation blocking the waterway which may lead to unnecessary fault.
酸的贮槽也应该集中于厂房附近，以尽量减少在长管线中沉积污泥和疤垢。
Acid storage tank should also be clustered nearby to minimize sludge and scale formation in long lines.
准确、快速地评定阻垢剂的阻垢性能对阻垢剂的开发和合理利用十分重要。
It is very important to evaluate the performance accurately and rapidly for exploring and using scale inhibitors reasonably.
采用新型纳米抗垢涂料是解决城市原生污水冷热源系统污垢的有效措施之一。
Nano anti -fouling coating is one of efficient measures for solving pipe fouling problem in the urban untreated sewage cooling and heating source system.
结合实验结果，验证了臭氧在蒸发冷却循环水处理中的杀菌、阻垢及防腐作用。
The experimental result shows ozone has the function of killing bacteria, preventing scale and alleviating corrosion in the system of evaporation cooling air conditioning.
结合实验结果，验证了臭氧在蒸发冷却循环水处理中的杀菌、阻垢及防腐作用。
The experimental result shows ozone has the function of killing bacteria, preventing scale and alleviating corrosion in the system of evaporation cooling air conditioning.
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