英语释义

1. an act or instance of treating someone or something in advance preliminary or preparatory treatment
pretreatment of stains pretreatment of a surface for painting … pretreatment is often required to remove oil and grease from the waste water.
— John H. Sheridan … will allow public works crews to apply salt brine to pre-treat city streets before snow events. The pre-treatment creates an additional layer that helps to melt snow …
— Kevin Thompkins A drug called atropine can reverse the effects if administered promptly, and pretreatment with pyridostigmine can help shield the body …
— Adam Rogers also a substance used for such treatment
Oils give great shine, but I also use them as a pretreatment to prevent damage prior to coloring my natural hair.
— Deena Campbell

2. existing or occurring before treatment
the pretreatment period a pretreatment condition the patient's pretreatment drug regimen When treatment was discontinued, the condition of treated nasal muscles quickly returned to pretreatment levels.
— Michael Vaiman et al.

3. of, relating to, or being a pretreatment
a waste pretreatment facility/system The current chemical pretreatment process uses relatively harsh conditions to break down the tough structure of grass and other biomass.
— Phys.org In my weekly Ask a Clean Person columns, I talk a lot about laundry boosters and stain pretreatment products …
— Jolie Kerr

4. preliminary or preparatory treatment
unsuccessful…in preventing tumor growth by pretreatment with vitamin A in mice
— E. L. Felix et al

5. occurring in or typical of the period prior to treatment
a patient's pretreatment blood pressure

片语

pre-treatment membranes预处理膜

superplastic pre-treatment超塑预处理

Pre-treatment Auxiliaries前处理

reducing pre-treatment预还原处理

preliminary treatment预处理

pre-treatment system预处理系统

Pre-treatment practices使用前处理设施

Complex pre-treatment前处理复杂

pre-deformation treatment预变形处理

preprocessing预处理；预加工

英汉例句

• The anaerobic pre-treatment plays an important role in the process.

  厌氧预处理在其中起了重要作用。

• Zincate treatment is a normal pre-treatment for aluminium and its alloys, playing an important role in practical production.

  浸锌是铝及其合金特殊前处理中较为常见的方式，在实际生产中占有重要地位。

• The pre-treatment system experienced plugging by ammonia salt 7 months after the unit came on stream and corrosion leakage 12 month after the start-up of the unit.

  装置开工运转7个月后预处理系统首次出现铵盐堵塞现象，12个月后设备开始出现腐蚀泄漏情况。

• The pre-treatment step improves the degree of softening of the soil, and thus facilitates its removal.

  预处理步骤改进污物的软化程度，和因此促进它的脱除。

• Allergic contact dermatitis from ophthalmic products: Can pre-treatment with sodium lauryl sulfate increase patch test sensitivity?

  眼科药物引起的变应性接触性皮炎：可通过月桂硫酸钠增强斑贴试验敏感性来预处理吗？

• Foreign materials such as dirt, dust or oil that can be detected in the cured powder film, pre-treatment chemicals or air supply.

  在粉末、预处理化学物质、供气中出现的外来材料，如污物、灰尘、油等。

• These studies have employed a variety of pre-treatment and analysis methods, with varying degrees of accuracy and precision.

  这些研究采用了各种不同精密度和準确度的样品处理和分析方法。

• Sampling pre-treatment system is an important factor in magneto-dynamic oxygen analyzer system for detecting the oxygen content in coke oven gas.

  在监测焦炉煤气氧含量的磁力机械式氧分析仪系统中，采样预处理系统是一个重要环节。

• The effect of pre-treatment of the asbestos tailings on the acid leaching reaction of asbestos tailings was studied.

  本文就石棉尾矿的预处理对石棉尾矿与酸反应效果的影响进行了研究。

• In a pilot scale system, the formation and removal of BDOC and AOC were compared in the pre-treatment unit, traditional treatment unit and advanced treatment unit.

  利用现场中试装置，系统比较了预处理单元、常规处理单元及深度处理单元中可生物降解有机物bdoc和aoc的生成和去除特性。

• The study and appliance of the low temperature, less dregs and quick phosphate solution is the main trend of the pre-treatment for the auto coating in 21 century.

  低温、少渣、快速磷化技术的研究和应用是21世纪汽车涂装前处理发展的趋势。

• The sample pre-treatment during setting up the correcting model by partial least-squares (PLS) and the way of optimizing wavelength according to normal absorption peak are discussed.

  讨论了采用偏最小二乘法（PLS）建立校正模型过程中样品预处理及利用常规吸收峰优选波长的方法。

• The plan derived from the experiments is suitable for the pre-treatment of the paper gray water.

  本方案适用于造纸中段废水的预处理。

• In the analysis of the BOD5 of inlet water of Fuxian Lake, the source, ratio and pre-treatment of inoculums and the preparation method of inoculums diluting water were also studied.

  在对抚仙湖入湖河流BOD5进行分析的过程中，对几种接种液的来源、配比、预处理及接种稀释水的配制方法进行了研究，并通过一系列的实验数据说明了这些配制方法的可行性。

• This article introduces the choice of blasting plan and pre-treatment plan, presents the explosion parameters and the explosion effect.

  介绍了该楼爆破方案选择及预处理方案，给出了爆破参数及爆破效果。

• Foreign matter on a part of the substrate to be cleaned in a pre-treatment system.

  在预处理系统被清洗的工件上的杂质。

• Reverse-osmosis plants, for their part, use chemicals during the pre-treatment and cleaning of the membranes, some of which may end up in the brine.

  逆向渗透工厂，他们在预处理阶段和清理薄膜时使用了化学物质，这些过程不会在盐水中发生。

• To detect Polynuclear Aromatic Hydrocarbon(PAHs) in soil using micro amplitudeextraction-HPLC, The pre-treatment of sample was studied.

  建立了微波萃取—高效液相色谱测定土壤中多环芳烃组分的方法，详尽地叙述了土样预处理过程。

• The present invention relates to a refractory cast material for desulfurizing gunite, and refractory material for desulfurizing pre-treatment of molten iron before steel-making in converter.

  本发明涉及铁水脱硫预处理脱硫喷枪用耐火浇注料，属转炉炼钢前铁水脱硫预处理用耐火材料领域。

• Sample pre-treatment technologies and their application to pesticide residues analysis were introduced in Chapter I.

  第一章样品的前处理方法和气相色谱分析技术及其在农药残留分析中的应用。

• Moreover, pre-treatment of wild type mice with a nitric oxide (. NO) synthase inhibitor prevented the HBO2-induced elevation in stem cell factor and circulating stem cells.

  而且，野生型小鼠用NO合酶抑制剂预处理后阻止了HBO2介导的干细胞因子和外周血干细胞的增加。

• The modification of pre-treatment system of CY-101 magnetic pressurized oxygen analyzer is introduced. The effects and advantages of the system after that are presented.

  介绍了CY- 1 0 1型磁压力式氧分析仪的样品气预处理系统和参比气预处理系统的改造及改造后的效果和优点。

• Theoptimal conditions for plasma treatment that is beneficial to bio-enzyme scouring are discussed in the article and the pre-treatment process based on this combined method is introduced.

  文章通过实验确定了有利于生物酶精练的最佳等离子体处理条件，并对等离子体与生物酶联合精练漂白的前处理工艺进行了讨论。