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芳醇

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ConclusionThe main constituents in the essential oil from Dictamnus dasycarpus. are calarene( 27.17%),linalool(11.97%)transcaryophyllene(8.07%)βmaaliene (8.04%)gurjunene(6.04%).

结论白鲜皮挥发免费发布信息油主要化学成分是白菖油烯(27.17%)、芳脑醇(11.97%)、反石竹烯(8.07%)、β马榄烯(8.04%)、古芸烯(6.04%)等。

The ultraviolet photosensitive initiating system is composed of 4,4"-bis(N,N"-dimethylamino) benzophenone, 2-chlorohexaarylbiimidazole and a hydrogen donor coinitiator n-dodecyl mercaptan.

用光敏剂4,4′-二(N,N′-二甲基-氨基)苯甲酮、引发剂邻氯代六芳基双咪唑和氢给体助引发剂十二烷基硫醇组成光敏引发体系。

Genetic Integrity of 20 Barley (Hordeum vulgare L.) Germplasm Resources Based on Hordein Analysis

基于醇溶蛋白的20份大麦种质资源遗传完整性分析,王芳;卢新雄;马晓岗;迟德钊;张志娥;陈晓玲-66文免费论文库,大学生论文库

There's also linalool, a jasmine-like scent that Mr. Illy calls the ultimate flowery aroma.

&也有芳樟醇,茉莉花般的香味,意利先生称之为&终极华丽的香气。

A series of 3 - aryl - 3 -( 5,5 - dimethyl - 3 - hydroxy - 2 - cyclohexene - 1 - one - 2 - yl) propanoic ester s were synthesized by reaction between aromatic aldehydes ,5,5- dimethyl -1,3-cyclohexanedione and isopropylidene malonate catalyzed by KF - Al2O3 in alcohols.

在KF-Al_2O_3催化下,将芳香醛3,5-二甲基-1,3-环己二酮及丙二酸亚异丙酯在醇中反应,一锅式合成了一系列的3-芳基-3-(5,5-二甲基-3-羟基-2-环己烯-1-酮-2-基)丙酸酯。

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。

A few of aryl pyridylalkyl ethers were synthesized by Mitsunobu reaction from substituted phenols 1a-b and pyridyl alcohols 2a-e at room temperature in 45%~70% yields.

在室温下,以取代苯酚1a-b和吡啶烷基醇2a-d为原料通过Mitsunobu反应合成了相应的芳基吡啶烷基醚,反应收率为45% ̄70%,反应物2和1之比为1.11∶。

Chemical Products, Chemicals: inorganic acid, sodium compounds, potassium compounds, calcium compounds, barium compounds, manganese compounds, chromium compounds, nickel compounds, zinc compounds, magnesium compounds, aluminum compounds, single-element chemical products, even items of the five machines Chemical products, paraffin, waxes other chemicals, coke, oil and chemicals, alcohol, aldehyde chemicals, acetate chemicals, ketones, ethers, phenols chemicals, alkanes, alkenes, acetylene chemicals, amine chemicals, aromatic chemicals, Miscellaneous organic chemicals, acid chemicals, other chemicals, dyes and intermediates, pigment materials, plastic materials, agricultural chemicals: fertilizers, pesticides, growth agents, plastic sheeting, etc., equipment, pyrophoric alloys, articles of combustible materials , chemical reagents, rubber, imports, machinery and equipment, machinery and equipment, apparatus; photographic equipment; printing equipment; general machinery; textile equipment; Machine Components; a variety of equipment, Shanghai, Zhejiang, Guangdong, Jiangsu high-quality, low-carbon The new satellites technology goods manufacturers, exporters, wholesalers, traders, USA, United States importers, wholesalers, retailers, investors, designers, planners, please contact our office, George Chen, Mobile :+

化工产品类,化工原料:无机酸,钠化合物,钾化合物,钙化合物,钡化合物,锰化合物,铬化合物,镍化合物,锌化合物,镁化合物,铝化合物,单元素化工品,什项五机化工品,石蜡、蜡类其他化工品,焦、油化工品,醇、醛化工品,酯化工品,酮、醚、酚化工品,烷、烯、炔化工品,胺化工品,芳烃化工品,什项有机化工品,羧酸化工品,其它化工原料,染料及中间体,颜料原料,塑料原料,农用化工品:化肥,农药,生长剂,农膜等,器材,引火合金,易燃材料制品,化学试剂,橡胶,进口,机械设备,机械及设备,仪器;摄影器材;印刷器材;通用机械;纺织器材;机械基础件;各种成套设备,中国上海,浙江,广东,江苏优质,低碳,新颗科技商品生产商,出口商,批发商,贸易商,美国,美利坚合众国进口商,批发商,零售商,投资商,设计师,规划师们,请与我处联系,George Chen,Mobile:+

In order to obtain versatile ulitity of host molecules, three new chiral calix [4] crown ethers containing aza, thio atoms bearing two chiral sites provided by -cysteine ester were synthesized by the condensation of calix [4] arene diacid dichloride with oligoethylene glycol bridged bis-amino acid methyl ester. All new compounds were characterized by NMR, MS and elemental analysis.

以-半胱氨酸为手性源,利用多甘醇二氯醚在碱性条件下对半胱氨酸巯基进行烷基化反应,成功地合成了多甘醇醚链桥联的半胱氨酸衍生物,醚化反应后,在高度稀释条件下与对叔丁基杯[4]芳烃二乙酰氯进行双功能基缩合反应成功地合成了新型的手性杯[4]含氮、硫杂冠醚,并利用〓H NMR、MS等谱图手段对其结构进行了表征。

Objective To study the effect of Arotinoid Trometamol and 1, 25-dihydroxyvitamin D3 [1, 25-2D3] on RXRα and VDR at the transcriptive level.

目的 探讨芳维A酸氨丁三醇与1,25-二羟基维生素D3[1,25-2D3]单用或联合应用对RXRα及VDR表达的影响。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。