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二十二烷

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In this paper, the catalytical esterification of palmitic acid with 1 hexadecanol by lipase immobilized by microemulsion base organo gel that consisted of bis (2 ethylhexyl)sodium sulphsuccinate/heptane/water/gelatin in apolar organic solvent was studied.

研究了以AOT二(2 乙基已基琥珀酸酯磺酸钠/正庚烷/水/明胶组成的反相微乳凝胶固定化脂肪酶,在有机溶剂中催化棕榈酸和十六醇的酯化反应。

Products has led caprate cobalt, cobalt naphthenate, TY series of high-performance polyimide resin, FLQ type latent epoxy curing promoting agent, diallyl bisphenol A Product dozens of top-five.

主导产品有癸酸钴、环烷酸钴、TY系列高性能聚酰亚胺树脂、FLQ型潜伏性环氧固化促进剂、二烯丙基双酚A五大类数十种产品。

The company mainly engaged in the National one of the top ten chemical companies Juhua Products Group, the main one has Chloromethane, dichloromethane, chloroform, cyclohexanone, cyclohexane, caprolactam, PVC resin, sulfuric acid amine, F11, F12, F22, R600A, R134A refrigerant, antiseptic products, welcome you Tongren call letter and look forward to your cooperation and common development!

公司主要经营全国十大化工企业之一的巨化集团公司的产品,主要有一氯甲烷、二氯甲烷、三氯甲烷、环己酮、环己烷、己内酰胺、PVC树脂、硫酸胺、F11、F12、F22、R600A、R134A制冷剂等产品,欢迎各位同仁来电来函,期待能与你们合作,共同发展!

Rice bran wax to fatty acids and senior wax mainly composed of alcohol, fatty acids are palmitic acid (C16), Gan II acid (C22), wood wax acid (C24), wax acid [26 acid] (C26) and other major components of wax alcohols have wax alcohol (C26), different serine alcohol wax, beeswax alcohol (C30), etc.; also contains alcohol to beeswax (C30), wax alcohol, alcohol wax for different serine The main constituents of unsaponifiable matter and a number of free acid mainly palmitic acid is brown, trace of alcohols, 30, such as carbon six elemene liposome.

米糠蜡以脂肪酸和高级蜡醇为主要成分,脂肪酸中有棕榈酸(C16)、甘二烷酸(C22)、木蜡酸(C24)、蜡酸(C26)等主要蜡醇成分中有蜡醇(C26)、异丝氨酸蜡醇、蜂蜡醇(C30)等;另外还含有以蜂蜡醇(C30)、蜡醇、异丝氨酸蜡醇为主要成分的不皂化物及若干游离酸(主要是棕是棕榈酸、微量醇类、三十碳六烯脂质等。

Brassylic Acid, PA 1212 adhesives and Sealants and 1,10-Decanediol got awards respectively as National Important New Products from Science and Technology Department, Ministry of Commerce, State Quality Inspection Administration, State Environmental Protection Administration.

广通注重依靠科技创新和科技进步推动企业发展,建立了省级技术研发中心,技术力量雄厚,取得了丰富的科技成果:长碳链二元酸项目被评为2006年度国家科技进步二等奖,山东省十大科技成果,中国科学院发明三等奖,北京市科学技术二等奖,十三烷二元酸、PA型高档尼龙1212热熔胶和癸二醇三种产品被科技部、商务部、国家质检总局、国家环保总局批准为国家重点新产品。

Chemical investigation on the leaves of cultivated Calophyllum inophyllum linn led to the isolation of three compounds named Friedelan-3-one(1),1-triacontanol(2) and canophyllol.

从人工栽培红厚壳叶的二氯甲烷提取物中分离得到3个化合物,经理化数据对照和波谱分析,确定它们分别为:木栓酮(1),三十烷醇(2)和海棠果醇(3)。

The synthesis of divinyl liquid crystalline monomer 4-undecenyloyloxybenzoyl-4'-allyloxybenzoyl-p-benzenediol bisate and network polymers was described. The chemical structures of the synthesized monomer and network polymers were confirmed by FT-IR spectrum.

以双烯类液晶单体4-十一烯酰氧基苯甲酸-4'-烯丙氧基苯甲酸对苯二酚双酯为交联剂,通过与聚矽氧烷接枝反应,合成了系列网络聚合物P1~P5。

Here we introduced oxadiazole moiety to theside-chain of Ph-PPV to enhance the electron transport properties. The luminescenceefficiency and luminescence brightness (1.33cd/A, 9400 cd/m~2) of the Ph-PPV withside oxadiazole moiety are much higher than non-oxadiazole Ph-PPV (0.70 cd/A,2300 cd/m~2), and these polymers emitted green light which unaffected by theintroduction of oxadiazole moiety. Anthracene has a rigidity and planar structure which shows high photoluminescenceand thermo-stability.

结果表明,以十烷氧基作为间隔基使噁二唑单元键接在苯基取代PPV的侧链,所得材料制备的电致发光器件的效率和亮度(1.33cd/A,9400 cd/m~2)明显高于不含噁二唑单元的苯基取代PPV(0.70 cd/A,2300 cd/m~2),噁二唑单元的引入并不影响材料的发光光色,膜状态下的荧光发射光谱和电致发光光谱均呈绿光发射。

Results: Nine compounds were obtained from the ethyl acetate fraction of C. speciosa and were identified as methyl chlorogenate, 5-O-cafeoyl quinic acid butyl ester, quinic acid butyl ester, 5-hydroxymethyl-furan-2-carbaldehyde, triacontanoic acid,-epicatichin, 7,8-dihydroxy-coumanrin, protocatechuic acid ethyl ester, and protocatechuic acid.

结果:从皱皮木瓜的乙酸乙酯萃取部位分离鉴定了9种化合物,分别为绿原酸甲酯,5-O-咖啡酰基-奎宁酸丁酯,奎宁酸丁酯,5-羟甲基-2-糠醛,三十烷酸,-表儿茶素,7,8-二羟基香豆素,3,4-二羟基苯甲酸乙酯,原儿茶酸。

A new monomer,4-hexanoxyl-4′-undecylene-[10]-acyloxyazobenzene was synthesized using the main materials:phenol,underlenic acid,1-bromo- n -hexane, p -nitrophenol,thionyl chloride,by the substitution,reduction,couping and diazotization methods.A new polymer was prepared by hydrosilation reaction of poly (methylhy-drosiloxane) with the monomer.

以苯酚、十一烯酸、正溴己烷、对硝基苯酚和二氯亚砜为主要原料,通过取代、还原、重氮化和偶合等反应,合成了一种新的液晶单体 4-己氧基-4′-十一烯-[10]-酰氧基偶氮苯,并与聚通过硅氢加成生成一种新的高分子液晶。

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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

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However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。