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alkali是什么意思_alkali用法和例句

alkali:[英 [ˈælkəlaɪ] 美 [ˈælkəˌlaɪ] ]

alkali是什么意思

  复数形式:alkalis;

alkali 基本解释

名词碱

alkali的反义词

alkali 网络解释

1. alkali什么意思

1. 碱:在欧洲的炼金术文献中,有许多从阿拉伯语和波斯语借用的词汇,它们通常以音译的形式出现,如:硫(abric),碱(alkali),锡(alcazdir),酒精(alcohol),氯化铵(almizadir),硼砂(anticar),脂肪酸盐(asabon),狮子(ased),熔炉(athanor),

2. 碱,强碱:hydrogen sulfide 氢化硫 | alkali 碱,强碱 | ammonia 氨

3. 碱性,强碱:Alignment check 定位检查 | Alkali 碱性,强碱 | Alkali degreater 碱脱油剂

4. [化]碱:alcohol thermometer 酒精温度计 | alkali [化]碱 | anti-fogging agent 防雾化剂

alkali 双语例句

1. The preparation of SiO2 colloids by alkali-catalyze method was reported. The single film of SiO2 was prepared by dip coating method on K9 glass. After the films being treated in different ways, including heat, UV irradiation, ammonia and hexamethyl disilazane, and acid film coating treatments, the properties of the films were analyzed by spectrophotometry, Fourier transform infrared spectroscopy, scanning probe microscope, contact angle measuring apparatus and spectroscopic ellipsometer, et al. The contamination resist capabilities of the single film before and after accelerated contamination in vacuum were compared.

以正硅酸乙酯作为前驱体,利用碱催化方式制备了SiO2溶胶,采用提拉法在K9基片上镀制SiO2单层薄膜,分别用热处理、紫外辐射处理、氨水加六甲基二硅胺烷气氛处理和酸碱复合膜4种后处理法对膜层进行处理,采用分光光度计、红外光谱、扫描探针显微镜、静滴接触角测量仪、椭偏仪等分析了薄膜的特性,通过真空环境加速污染实验对处理前后的膜层进行抗污染能力对比,结果表明:在碱性SiO2膜层上加镀一层酸性SiO2膜的复合膜层整体透过率仍保持在99%以上,疏水角达到128°,膜层真空抗污染能力大大加强。

2. This paper was overviewed on preparing chelating, weak acid, weak alkali and amphoteric ion exchange fiber based on polyacrylonitrile, and analyzed the advantage and disadvantage of the preparaing methods and also prospected its development.

对以聚丙烯腈为基体通过化学改性来合成螯合、弱酸、弱碱、两性离子交换纤维的制备方法进行了综述,分析了制备方法的优缺点,并展望其发展前景。

3. Ketone and the alkali four series, a total of more than 100 kinds of medicine.

酮类和碱类四大系列,共计100多种医药。

4. The synthesis of sodium antimonate from antimony concentrates by chloridizing leaching-oxidation and hydrolysis decomposition-alkali synthesis process is investigated.

研究以辉锑精矿为原料、经氯化浸出-氧化-水解-加碱合成制取焦锑酸钠的工艺。

5. Methods: from prepation of crude drug as start, study the technology of extract and defat with L9 (3~4) orthogonal test. With EtOH extraction and water sed, alkali washing, EtOAC extraction as main methods of eliminate dopant. Finally with alky AlzO3 chromatographic column, rich and gain anticancer active site. The maximum response was achieved at a 40 min extracting time with 10 times volume 90% EtOH added to the sample for the first time and 30 min for the second time. Adding 10 times water will produce precipitation; Place the precipitation into 6 times petroleum benzin to de-fat at 60℃.

云南红豆杉中抗癌活性物制备工艺研究方法:利用正交设计试验L9(3~4)确定原料药提取工艺为:10倍量90%乙醇提取两次,第一次40分钟,第二次30分钟;醇提液用10倍量水沉;沉淀加6倍量石油醚40℃脱脂;用1mol/L的NaOH溶液碱洗,除去酸性杂质;以碱性氧化铝柱,以环己烷/丙酮为洗脱溶剂,在环己烷-丙酮(6:4)段富集到所需活性部位,洗脱剂用量为3VB。

6. In order to prevent dyed real silk fabrics from seriously colour fading or tenacity degradation in sandwashing with alkali agent, a new-type colour-protective sandwashing agent SS-01 and colour-protective softener SO-01 are developed.

针对使用碱类砂洗剂进行真丝染色绸砂洗存在褪色多和强力下降严重的问题,研制成新型的SS-01型保色砂洗剂和SO-01型保色柔软剂,经性能测试和实际应用,证实上述砂洗剂和柔软剂既有理想的起绒和柔软效果,又有优良的保色和保强力性能。

7.

7. In addition, the invention further relates to a catalyzer combination used for polymerizing a conjugated dialkene monomer and the anions of an optional mono-vinyl aromatic hydrocarbon into a polydiene polymer having high and medium vinyl content. The catalyzer combination comprises an organolithium compound used as an anionic polymerization initiator, at least an alkali metal alkoxide compound expressed by the formula as a structure regulator.

此外,本发明还涉及一种用于将共轭二烯烃单体和任选的单乙烯基芳烃阴离子聚合成具有中高乙烯基含量的聚二烯聚合物的催化剂组合物,其包含作为阴离子聚合引发剂的有机锂化合物,和作为结构调节剂的至少一种式所示的碱金属醇盐化合物。

8. The general design of a 450 t/d wood pulp alkali recovery boiler is summarized in this article.

总结了450 t/d 木浆碱回收锅炉的总体设计情况,并对该设计提出了一些建议。

9.

9. I have been working in ×××××for six years and I am a manager of APMP(Alkali Peroxide Mechanical Pulp)project of Tralin paper group.

这是本校复试后成绩上涨的一个原因,另一个是面试的老师曾给他们上过课,都很熟。

10. The study on treatment of waste water of straw alkali pulp by white rot fungi has been made systemically in laboratory, the optimization conditions of white rot fungi culture have been given, and the relevant pilot scale equipment of white rot fungi treatment has been setup first in China.

在完成了白腐菌培养的优化条件,系统进行了白腐菌处理碱法草浆含氯漂白废水的实验室试验的基础上,进入工厂废水处理现场,自行设计安装了一套以不锈钢丝为载体,用白腐菌挂膜的生物接触中试反应器,在国内建立了第一个白腐菌处理碱法草浆废液的工厂现场中试基地。

11. alkali

11. In order to decrease both investment and operating expenses, the feasibility to treat the alkali straw pulp making intermediate wastewater by biological hydrolysis and sequencing batch reactor is studied using laboratory-scale reactor.

从低投资和降低运行费用的角度,通过动态模拟实验研究了以水解酸化和好氧生化(间歇曝气活性污泥法,以下简称SBR)为主的工艺流程。

12. Be able to produce acid pickling equipment, pickling trough, trough measurement, filtration facilities, sewage treatment systems, filters, all-plastic pump suction acid, oxidation groove, electrolyzer, injectors and other equipment, as well as transportation acid, alkali, salt, paper pulp such as corrosive liquids and gases in pipes and pipe fittings, performance art, energy saving, saving, corrosion resistance.

能够生产酸洗设备、酸洗槽、计量槽、过滤设施、污水处理系统、过滤器、全塑料吸酸泵、氧化槽、电解槽、喷射器等设备,以及输送酸、碱、盐、纸浆等腐蚀性液体和气体的管道和管件,性能先进、节能、节资、耐腐蚀。

13. alkali的翻译

13. The alkali dosage depends mainly on the constituents and property of material and the quality requirements for pulp: more alkali dosage will speed up cooking process, reduce the hardness of pulp and improve the bleachability of pulp; but excessive alkali dosage will lower the pulp yield and physical intensity, while too less alkali dosage will result in harder and darker pulp, uneasy to bleach, too much screenings, and even extending cooking time cannot guarantee the reaction of delignification.

用碱量主要取决于原料的组成和性质及对纸浆的质量要求:加用碱量有利于加快蒸煮速度降低纸浆硬度和提高纸浆的可漂性:但过高却会降低纸浆得率和物理强度,如过低时,成浆较硬而色暗,不易漂白而且筛渣多即使延长蒸煮时间也难以保证脱木素反应进行。

14. alkali的解释

14. Fresh alkali melting will be poured into the barrel after the mix, filled with铜壶READY.

将食碱溶化后倒入桶内拌匀,灌入铜壶内待用。

15. Anti-flammable, anti-acid, anti-alkali and compatible with the glass fiber. Good mechanical performance and anti-abrasion.

具有优良的阻燃、耐酸、耐碱性能与玻璃纤维相容性佳、机械性能优良,耐磨性突出。

16. As one of the main products of chorine alkali industry, sodium hydroxide is of exceedingly significance.

烧碱作为氯碱工业的主要产品之一,更有着极其重要的地位。

17. Chorine alkali industry stands an important position in the national economy and production.

氯碱工业在国民经济生产中有重要的地位。

18. This paper introduces the nature of chorine gas, the history of the development of Chlor-Alkali industry and its status in both here and abroad.

本文介绍了氯气的性质,氯碱工业的发展简史以及目前国内外的形势。文中介绍了生产氯碱的主要工艺步骤。

19. The antifungal substance was stable to heat and alkali, not sensitive to organic solvents, and sensitive to ultraviolet rays and acid.

该抗菌物质对热稳定,对紫外线敏感,对有机溶剂不敏感,对酸敏感,对碱稳定,紫外全波长扫描发现该抗菌物质为多烯大环内酯类抗生素。

20. The basic structural motive of alkali lignin is similar with phenol, containing phenol-carbonyl, alcohol-carbonyl, metonym and other active groups, and it can set off a reaction of carbonyl modification.

碱木素基本结构单元分子类似于苯酚,含有酚羟基,醇羟基,甲氧基等活性基团,可以发生羟甲基化等改性反应。

alkali 词典解释

1.

An alkali is a substance with a pH value of more than 7. Alkalis form chemical salts when they are combined with acids.

alkali 单语例句alkali

1. It takes away the aftertaste of the alkali used to preserve noodles, and it balances the salt of the sauces.

2. For example, the cost of the alkali recycling system can be recouped within three years.

3. Farm ponds and other small bodies of water have dried out from the heat, leaving the residual alkali dust to be whipped up by the wind.

4. Efforts will also include improving the technologies used for effluent treatment at refineries and eliminating chlorine and alkali discharges.

5. This is because it blocks acid production, stimulates alkali and improves blood flow in stomach tissue.

6. It says it plans to explore ways to use alkali land for farming that will be producing by 2010.

7. Efforts will also include effluent treatment at refinery plants and eliminating chlorine and alkali discharges.

8. Applying sea salt for the alkali industry is an important way to develop seawater chemical resources.

alkalialkali 英英释义

noun

1. any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water

e.g. bases include oxides and hydroxides of metals and ammonia

Synonym: base

2. a mixture of soluble salts found in arid soils and some bodies of water

detrimental to agriculture