A new method of producing dodecene and octadecene by propene oligomerization over NiSO_4/γ-Al_2O_3 catalyst in a two-stage reactor in series had been studied.
以NiSO4/γ-Al2O3为催化剂,采取连续串联两段反应器的工艺,对丙烯齐聚合成十二烯和十八烯的工艺条件进行了研究。
The reaction film of octadecene was prepared on hydrogen-terminated single crystal silicon substrate in the presence of ultraviolet irradiation.
通过紫外激发在氢终止的单晶硅表面制得了十八烯的反应膜 ,并采用接触角测定仪、红外光谱仪、椭圆偏光仪及原子力显微镜等表征了薄膜的结构和摩擦学特性 。
A new technology of producing dodecene and octadecene by propene oligomerization over NiSO4/γ-Al2O3 has been studied.
本文研究了以NiSO4/γ-Al2O3为催化剂的丙烯齐聚工艺条件对制备十二烯和十八烯的影响,并对催化剂的稳定性和失活催化剂的再生等方面的问题进行了研究。
The hydrolysate of rapeseed oil,octadecenoic acid,can be used for modification of various alkyd resins.
菜籽油经水解制成十八烯酸,可制备各类改性醇酸树脂。
The reduction of RuCl2(PPh3)3 with EtOH/KOH conveniently resulted in RuHCl(PPh3)3 of up to 90% yield,which was characterized with NMR、 MS、 IR、 IE and ICP,and it discovered that the synthetic process involved -OEt intermediate according to IR and NMR;1-octodecene isomerization was effectively catalyzed by RuHCl(PPh3)3 with solvent-free,the conversion of 1-octodecene reached 94.
用RuHC l(PPh3)3作为催化剂,无溶剂条件下可以有效地催化1-十八烯的双键异构化,在180℃时,催化剂与1-十八烯的摩尔比为1∶200,反应时间为24 h时,1-十八烯的转化率为94。
Following a discussion of the form of skin melanin and the mechanisms of whitening active ingredients,some clinic data was researched to demonstrate the whitening and skin toning effect of Uniqema newsafe and effective skin complexion improver,octadecene dioic acid.
讨论了皮肤黑素的形成及美白成分的美白机理,并以临床数据证实了有利凯玛公司全新的肤色均匀美白剂———十八烯二酸(Arlatone ~(TM) DCA)的功效性。
A New Technology for Production of Dodecene and Octadecene by Propene Oligomerization over NiSO_4/γ-Al_2O_3 Catalyst;
NiSO_4/γ-Al_2O_3催化丙烯齐聚制十二烯和十八烯工艺的研究
SCREENING AND MUTAGENISIS OF△9-1, 18- OCTADECENEDIOIC ACID - PRODUCING CANDIDA TROPICALIS
△~9-1,18-十八烯二元酸生产菌株的筛选和诱变
trans-9-octadecenoic acid
反式-9-十八碳烯酸
Eighty! Eighty! Eighty yuan!
八十!八十!八十元!
eight, nine, ten! Eight, nine, ten!
八,九,十!八,九,十!
Study on Preparation and Properties of Polystearylmethacrylate;
聚甲基丙烯酸十八酯制备及其性能研究
Improving of Extraction Technology and Determination the Content of the Mixture of α-Linolenic Acid and Linoleic Acid;
混合十八碳二、三烯酸提取工艺改进及含量测定
Synthesis of Octadecyl Acrylate Using Orthogonal Design on the Microwave Irradiation;
在微波作用下正交设计合成丙烯酸十八酯
eighteen, nineteen, twenty.
十八,十九,二十。
ISOLATION AND IDENTIFICATION OF CIS-5, 9, 12-OCTADECETRIENOIC ACID FROM SEED-OIL OF PICEA JEZOENSIS CARR.
鱼鳞云杉种子油中顺-5,9,12-十八碳三烯酸的分离和鉴定
Preparation and Application of Stearyl Methacrylate Micro-monolithic Column for Capillary Liquid Chromatography
甲基丙烯酸碳酰十八酯毛细管液相色谱整体微柱的制备及应用
Fabrication and Characterization of Microencapsulated n-Octadecane with an Acrylic Co-polymeric Shell
丙烯酸共聚物囊壁的正十八烷微胶囊的制备和性能表征
STUDY ON THE APPLICATION MECHANISM OF MONTMORILLONITE/ALKYLAMMONIUM COMPLEXES IN CRYLIC COATING
蒙脱石/十八烷基三甲基铵复合物在丙烯酸涂料中的应用机理研究
The Bulls won, eighty to seventy-eight.
公牛赢了,八十比七十八。
eighty, ninety, one hundred.
八十,九十,一百。
One, two, three... eighteen, nineteen.
一,二,三……十八,十九。
A pour point depressant (PPD) for improving the cold fluidity of diesel oils was studied.
对柴油降凝剂进行了研究,降凝剂为苯乙烯、顺丁烯二酸酐及正十八胺三元共聚物。
SYNTHESIS AND PROPERTIES OF MALEIC ANHYDRIDE-ACRYLATE ESTER-VINYL ACETATE TERPOLYMER AS POUR POINT DEPRESSANT FOR DIESEL
马来酸酐-丙烯酸十八醇酯-醋酸乙烯酯三元共聚物柴油降凝剂的合成及其性能评价