A dyestuff once prepared from the dried bodies of various female scale insects of the genus Kermes .

胭脂一種染料成人日韩欧美一区二区免费，曾是由胭脂蟲屬的有鱗屑的雌胭脂蟲的干蟲體制成來源：詞友

As dyestuff for coloring and painting, they are easily and economically collected because of high consumption. Before Tang Dynasty arsenic disulfide had been more expensive than lead chromate so that lead chromate had been often used as paint.

用作涂繪的顏料欧美性爱视频欧美，因消耗量比較大日韩三级视频免费，大多容易采集且價格便宜，唐以前雄黃較石黃昂貴稀少久久免费高清视频，故用以充當(dāng)涂料的多為石黃久久影院无码专区人妻。

Results show that dyeing process with direct dyestuff and weak acid dyes tuff in one bath can impart the polyamide/ cotton mixture good colorfastness and levelness,as well as lowered energy consumption and production cost.

試驗表明，直接染料與弱酸性染料同浴上染的錦棉交織物欧美一级黄色淫秽肏屄视频，其色牢度wwwav免费在线，勻染性都有較好的效果，且降低能耗黄色网页免费看，節(jié)約成本在线视频草。

Technological process of controlled cheese dyeing with reactive dyes is introduced,including dye selection,ratio of dyestuff to alkali and salt,control of dyeing conditions,factors affecting levelness,as well as characteristics and applicability of high-temperature-high-pressure cheese dyeing machine.

介紹筒紗活性染料受控染色工藝，包括染料的選擇菠萝在线成人网站，染料與鹽欧美视频免费在线、堿的配比，染色條件的控制高清性色生活片mmm，以及高溫高壓筒子染色機應(yīng)具備的特點和應(yīng)用性能欧美性爱久视频，并對具體操作提出了要求。

In this paper the applications of mesitylene in dyestuff, medication and chemical industry etc. were summarized. From the literatures, we generalized the merit and defect of all kinds of methods and presented that the method of extraction rectification is effective and worth of research.

本文概述了均三甲苯在染料农村老熟女乱子视频、醫(yī)藥亚洲欧美日韩色图、化工等令貞域中的應(yīng)用；針對合成分離均三甲苯中存在的問題黄色网址国产区，查閱了大量的國內(nèi)外文獻超碰巨乳伊人，總結(jié)并分析了各種合成分離方法的優(yōu)缺點，提出萃取精餾方法是生產(chǎn)均三甲苯的一種有效方法免费爆操网站。

We are the agency of Swiss SEFAR Group,which manufactures monofilament or multifilament fabrics with polyester,nylon,polypropylene,PTEF and needlefelt mainly used in chemical,pharmaceutical,dyestuff,minig,food,disc filter,plan filter etc,we also supply other certain filter media and technical service.

簡介： 正中公司專業(yè)代理瑞士SEFAR篩網(wǎng)濾布編織公司所織造的聚酯和尼龍聚丙烯聚四氟乙烯等各種合成纖維單欧美在线喷浆，復(fù)絲濾布及無紡布，應(yīng)用于化工日韩在线7777，制藥久操网站，染料，礦業(yè)国产男人黄色，食品色天九月，造紙，環(huán)各行業(yè)過濾設(shè)備上欧美特黄黄色视频，正中公司并提供其他相關(guān)的過濾介質(zhì)及技術(shù)服務(wù)18岁以下不能看的网站。

Tyrian purple――A reddish dyestuff obtained from the bodies of certain mollusks of the genus Murex and highly prized in ancient times.

泰爾紫：從骨螺屬的幾種軟體動物中獲取的一種淡紅色染料，在古代非常受珍視

Investigated the dyestuff second A radicle while suspending system blue decline impact factor of solution.

在懸浮體系下考察了染料亞甲基藍(lán)降解的影響因素www.黄色视频在线com。

These results show the modified active carbon as catalyst of microwave degradation of methylene blue has many advantages such as rapid degradation, low cost, no intermediate product and no secondary pollution, and is fit for massively dealing with dyestuff wastewater.

結(jié)果表明欧美性生活免费片，改性活性炭作為微波降解亞甲基藍(lán)的催化劑具有降解速率快，成本低谁有免费黄色网站?，沒有中間產(chǎn)物生成和不會造成二次污染等優(yōu)點国产亚洲第一无码AV播放器，適合于大規(guī)模治理染料廢水97资源碰碰人人操。

Sodium metal, as the products of chemical industry taking sodium salt as the raw material, has been widely applied to the production of sodium cyanide, sodium dioxide and the reducing agent concerned to metallic titanium, dyestuff, medical and synthetic organic products, as well as the refrigerant of atomic reactors.

金屬鈉是以鈉鹽為原料的化工產(chǎn)品，廣泛用于制造氰化鈉日韩av免费一级二级三级、過氧化鈉和金屬鈦的還原劑亚洲天堂AV手机在线，可做染料、醫(yī)藥玖玖爱资源网、有機合成產(chǎn)品午夜影视日韩在线影院观看免费；還可做原子能反應(yīng)堆的冷卻劑。