甲基化纖維素 的英文怎麼說
中文拼音 [jiǎjīhuàxiānwéisù]
甲基化纖維素
英文
methylcellulose- 甲 : Ⅰ名詞1 (天乾的第一位) the first of the ten heavenly stems2 (爬行動物和節肢動物身上的硬殼) she...
- 纖 : 纖形容詞(細小) fine; minute
- 維 : Ⅰ動詞1 (連接) tie up; hold together; link 2 (保持; 保全) maintain; safeguard; preserve; keep ...
- 素 : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
- 甲基 : methyl; methylium; carbinyl; hexanone
- 纖維素 : [化學] cellulose
- 纖維 : fibre; staple; filamentary
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Using refined cotton, chloroacetic acid, sodium hydroxide and hydrogen peroxide as main feedstock, sodium carboxymethyl cellulose was made by the process of basification, etherification, abstersion and drying
摘要以精製棉、氯乙酸、氫氧化鈉和過氧化氫為原料,經過堿化、醚化、洗滌、乾燥,制得羧甲基纖維素鈉。Meanwhile adopting two - step process of viscosity - decreasing method, i. e. adding hydrogen peroxide during the process of basification and abstersion to decrease the viscosity of alkaline cellulose, as a result the sodium carboxymethyl cellulose with ultra low viscosity was obtained
同時,採用二步降粘法,在堿化及洗滌過程中加入過氧化氫,以降低纖維素鈉的粘度,制得超低粘度的梭甲基纖維素鈉。Ethyl cellulose was synthesized successfully in one - step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent
摘要採用纖維素與過量的氯乙烷及氫氧化鈉反應,以甲苯為稀釋劑,用一步法成功地合成了乙基纖維素。Produces carboxymethyl cellulose, thiourea dioxide, cmc, tdo, sodium hydrosulfite
羧甲基纖維素鈉二氧化硫脲保險粉Determination of degree of etherification of sodium carboxymethylcellulose for detergents
洗滌劑用羧甲基纖維素鈉醚化度的測定The substitution of pervaporation for traditional separation in organic mixtures is of energy - saving and environment - protecting significance. in this paper, pervaporation of two kinds of organic mixtures is investigated : one is using ca membrane and ca - eva ( ethylene - co - ethylene acetate ) composite membrane for methanol removal from mtbe ( methyl t - butyl ether ), focused on the influence of casting solvent mixtures ; the other is utilizing proper membrane stuff and additive to separate p - xylene from m - xylene
本文對兩類有機有機混合體系進行了滲透汽化膜過程的研究,其一為醋酸纖維素( ca )膜及ca -乙烯醋酸乙烯共聚物( eva )復合膜用於甲基特丁基醚( mtbe )中少量甲醇( 5 meoh )的脫除,探討鑄膜混合溶劑及后處理技術對膜分離性能的影響。其二為運用適當的膜材料及添加劑去除間二甲苯( mx )中的少量對二甲苯( 10 px ) 。The results showed that the structure of wheat straw was destroyed in liquefaction, with producing some ramification of glucose some screened strains can decompose and use the liquefaction products
結果表明,液化產物中出現甲基和亞甲基等基團的振動,並存在麥草纖維素的單體葡萄糖的衍生物,說明液化反應破壞了纖維類廢棄物的晶格結構。At the same time, we also can supply taed, thiourea, melamine, aluminum sulphate, titanium dioxide rutile and anatase, rubber accelerator, methyl cellulose, hydroxypropyl methyl cellulose, monoammonium phosphate and other phosphates, 2 - ethyl anthraquinone, etc
同時還可為客戶提供四乙酰乙二胺硫脲三聚氰胺硫酸鋁鈦白粉橡膠促進劑甲基纖維素羥乙基甲基纖維素羥丙基甲基纖維素,磷酸二氫銨2 -乙基蒽醌等十幾種優質化工品。After obvious cytopathogenic effects developed, virus - contained supematants were harvested, and the progeny viruses were screened for lacz - expressing viruses by a plaque assay using x - gal. single blue plaques were picked, and a recombinant prv stably expressing lacz gene ( designated as rprv - lacz ) was obtained after ten cycles of plague purification and pcr identification. the results showed that the lacz gene expression cassette was stably expressed in the recombinant rprv - lacz derived from bartha - k61 strain
該載體與具有高度感染性的bartha - k61株基因組dna通過脂質體加plus法共轉染vero細胞,採用甲基纖維素固定病變, x - gal染色,經過10代藍斑純化獲得了一株穩定表達lacz基因的ge tk基因缺失突變株,命名為rprv - lacz 。In the boron medium of ph = 4. 5, the complex of mo ( vi ) - ars - cpc, can be collected on nitrocellulose membrane. the complex and the filter are dissolved in a small volume of dmso, and the absorbance of the resulting solution is measured by means of spectrophotometric method at 490 nm wavelength against the reagent blank. the detection limits better than 1. 2ug / l can be achieved
5的hac寸aac緩沖溶液中, mo ( vi )與酋素紅s ( ars )以及澳代十六烷基毗陡( cpc )形成的三元絡合物能夠被硝化纖維微孔濾膜定量富集,富集膜溶解在小體積的二甲亞礬中,於490run處以試劑空白為參比測定吸光度。Puyang puzhong chemical co., ltd is mainly produces carboxymethyl cellulose and thiourea dioxide and auxiliary agent of petroleum. it was founded in 1998, and today, it has developed into a high - tech non - government cooperation combined with researching, producing marketing. our company has advanced equipments, technicals and management. at the same time, . we also owns the operation right of import export business
濮陽市濮中化工有限公司創建於1998年,是從事羧甲基纖維素鈉carboxymethyl cellulose英文縮寫「 cmc 」二氧化硫脲thiourea dioxide油田助劑等集科研開發生產製造市場營銷為一體的高科技民營企業。Cellulose products are commonly prepared through the well - known viscose process or the cuprammonium method. both these two methods have serious environmental pollution. the green nmmo process using n - methyl - morpholine - n - oxide ( nmmo ) as the direct solvent of cellulose can be used to prepare the biodegradable cellulose membranes with improved mechanical properties and controllable pores
90年代開發的nmmo工藝採用n -甲基嗎啉- n -氧化物( nmmo )作為直接溶劑來溶解纖維素,利用該綠色工藝可以制備力學性能優越、可生物降解、微孔孔徑易於控制的纖維素膜。Weiyi chemical ( suzhou ) co., ltd. is mainly engaged in the production of sodium carboxymethyl cellulose ( cmc ), and is one of the professional local companies for cmc producing
威怡化工(蘇州)有限公司威怡化工(蘇州)有限公司主要從事羧甲基纖維素鈉鹽( cmc )的生產,是國內生產cmc的專業企業。分享友人