查询词典 alkali

However,most of the work to data on alkali dimer lasers has concentrated on the lighter alkalis such as sodium.

目前关于碱分子激光器的大多数工作集中在较轻的钠等碱金属上。

Functions: Uses 3D technique to converge surfactants, the amino acid has good relation to the skin. It is gentleness and without stimulation. The cleanser appeases and calms skin, cleans skin. Using it you will fell loose, clean and moistening. Gently cleanses, removes sebum and the dirt of metabolism. Makes the acid and alkali balance. Appeases and calms allergy skin. Builds a protective film to defeat pollution in the air and increases skin's resistance after using it.

主要功能：本品采用高科技技术，有效将氨基酸及各种表面活性剂聚合，具有很好的亲肤性，温和无刺激；温和清洁肌肤，无紧绷感、清爽、滋润，温和清除皮肤多余油脂及代谢污垢；平衡肌肤酸碱度，安抚镇静敏感及脆弱皮肤；用后在肌肤表面形成一层天然的保护膜，增加皮肤抵抗力，帮助肌肤抵御大气中的各种污染，免受侵害。

With the help of strength tester,fiber cutting machine and arraying the fiber according to length by hand,the influence of alkali concentration on properties of flax tow is studied.

通过束纤维强力仪、纤维切断器、手排长度法等仪器和方法研究了烧碱浓度对亚麻落麻纤维性能的影响。

The article summarizes some progresses in Re-Os isotope sample digestion, separation, purification and mass spectrometer measurement, and reviews five different digestion techniques, including acid digestion in reducing media, alkali fusion, Nickel sulfide fire assay, Carius tube dissolution and high-pressure ashier digestion.

简要介绍和评价了酸溶法、碱熔法、NiS火试金法、Carius管溶样法以及HPAS高温高压釜溶样法等常用的ReOs同位素样品分离方法。

Firstly, cotton cellulose was basified and aged to alkali cellulose, then samples reacted with 3-Chloro-2-Hydroxypropylurea to produce 3-Creido-2-Hydroxypropyl cellulose.

将棉纤维进行碱化、老化处理，所得到的碱纤维再与中间体3-氯－2-羟丙基脲反应制得3-脲基－2-羟基丙基纤维素。

With development of industry, growth of population and decreasing of arable land, selecting and breading plant material for salt resistance and rationally using saline-alkali land are very significant.

随着工业迅速发展、人口猛增和可耕地面积的减少，培育抗盐植物材料，开发利用盐碱地显得日益重要。

UCB01S is of oil resistant,acid resistant,alkaliresistant and seawater resistant.more over,there is no lead in the PTFE surface layer and so is particularly fit for bushings in food stuff machines,alkali flow meters,pumps motion elements in pharmaceutical machines,printing machines chemical engineering machines and other ocean industry.this is a triple layers composites bush,the base material being a bronze plate and a film of heat resistant power filled PTFE being calendered onto the sintered spherical bronze interlayer.

UCB01S不锈钢耐腐蚀轴承，是以不锈钢材料为基体，中间烧结耐腐蚀合金粉末，表面轧制以聚四氟乙烯为主的低摩擦材料，经过卷制成型的一种十分有效的耐腐蚀材料。它具有耐油、耐酸、耐碱、耐海水和耐磨损的特点，表面的PTEE材料不含铅成份。在食品饮料机械、印染机械、化工机械、海洋工业耐腐蚀滑动部位最适合使用。

Some disadvantages of alkali slug cement,such as low vol.stability,large evaporation constriction,difficult control of congealing time,an...

因而，50余年来碱矿渣水泥并未在建设工程中推广应用，轻易断言凝石可取代水泥是没有根据的。

By micro-analysis on the aging fibers, it indicates that attack of alkali hydrates to vegetable fibers is serious and the flexibility becomes lower and the brittleness becomes increase for the calcium hydroxide crystal conglomerated in the fibers bosom.

通过对老化后纤维的微观分析发现，水泥水化后的碱性物质对天然植物纤维的侵蚀较大，Ca_2晶体在纤维内腔中的沉积使纤维的柔性降低，脆性增加，在长期干湿循环作用下，纤维水泥基材料的抗折强度下降。

To mensurate the content of the organic material ,the total and effective n, h2so4-hclo4-h2o2 decompounding method, 20%nacl distilling and alkali hydrolysis distilling method were adopted .t-testing method was adopted for the data.

结果首次报道了紫色土适宜丹参高产的肥力指标、函数模型以及丹参土壤的肥力对比研究结果，适宜于丹参高产的肥力指标为：om 10～20 g·kg-1，全氮1.0～1.5 g·kg-1，速效氮200～500 μg·g-1，c/n比率6∶1～7∶1。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷