烃基
- 网络hydrocarbyl;Alkyl;hydrocarbon group;hydrocarbyl group
-
萃取剂分子中烃基结构的变化对各种金属离子的萃取能力有着不同程度的影响。
The structural variation of the hydrocarbyl groups in the extrac-tant molecules has the different influences on the extractability of various metal ions .
-
讨论了Hofmann重排反应的机理以及烃基的结构、介质中的亲核试剂对反应的影响,并介绍了此重排在有机合成中的应用。
The mechanism of Hofmann rearrangement reaction and the effects of alkyl structure and nucleophilic reagent in medium on the reaction are discussed . Moreover , the application of Hofmann rearrangement reaction in organic synthesis is introduced .
-
大米聚烯烃基薄膜MAP保鲜效应研究
Study on Storage of Milled Rice with Modified Atmosphere Packing by Polyolefine Film
-
2-(E)-芳亚甲基-5-环戊烯(1)基-5-烃基环戊酮类化合物的合成及其抗癌、抗炎活性
Synthesis and Anticancer and Antiinflammatory Activity of 2 Arylidene ( 1 cyclopentenyl ) cyclopentanone
-
N,N′-亚烃基脂肪酸双酰胺的合成及其润滑性能
Study on the Synthesis and Lubricity of N , N ' - Alkylene Bisamides of Fatty Acids
-
PEG对樟脑酰亚胺N-烃基化反应的相转移催化效果
The phase-transfer catalytic effect of PEG in the N-alkylation of camphorimide
-
用SiO2负载壳聚糖(CS),再负载PdCl2,制得催化剂SiO2CSPdCl2。研究其对三丁基烃基锡与酰氯偶联反应的催化活性。
A silica-supported chitosan-palladium catalyst ( SiO_2-CS-PdCl_2 ) was prepared for coupling reaction of organotins with acyl chlorides .
-
通过三苯基氯化锡和不饱和烃基膦酸反应,合成了8种新的O-三苯基锡不饱和烃基膦酸Ph3SnOP(O)(OH)R。
Eight novel O triphenyltin unsaturated alkyl phosphonic acid Ph 3SnOP ( O )( OH ) R were synthesized by reaction of the unsaturated alkyl phosphonates with triphenyltin chloride .
-
ESI-MS法对重烷基苯烃基结构的研究
Study on alkyl radical structure of heavy alkylbenzene with ESI-MS method
-
在非质子溶剂中,以氢氧化钾为缩合剂,用溴代正了烷和苯乙酰胺进行N烃基化,合成了照相级N正丁基N苯乙酰胺。
In non-protonic solvent , with potassium hydroxide as condensation agent , N-alkylation has been carried out with bromo-n-butane and monoacetylaniline , and a photographic grade N-butyl-N - phenylacetamide has been synthesized .
-
量化计算结果说明这两种胺类化合物易阳离子化,N数越多、N上烃基越多,药剂的阳离子化趋势越强。
Quantization calculation has shown that these four amide compounds are easy cationized and the more N number , the more hydrocarbon on N and the stronger the trend of cationization of reagents .
-
叙述了烯烃基琥珀酸酐(ASA)作为造纸中性施胶剂的发展、特性、应用技术与前景。
The development , characteristic , application technology and foreground of Alkenyl Succinic Anhydride ( ASA ) were reviewed .
-
2-〔1-环戊烯(1)基〕-2-烃基环戊酮Mannich碱的合成及抗癌、抗炎活性研究
Synthesis of 2 - ( 1-Cyclopentenyl ) - 2-Alkyl Cyclopentanone Mannich Bases Hydrochlorids and Studies on Their Anticancer and Antiinflammatory Activities
-
液态热解产物主要成分是苯酚(Phenol)及其烃基衍生物,没有燃料利用价值,但高含量的苯酚及其衍生物可用作化工原料。
The main component of liquid pyrolysis product is phenol and its hydroxy derivatives , there is no fuel use value , but abundance of phenol and its derivatives can be used as chemical raw materials .
-
选择三种不同发色团:烷烃基、苯基和不饱和烃基,可以更加全面的代表TBD衍生物的性质和应用。
Alkyl , phenyl and unsaturated alkyl are selected as different types chromophores to fully represent the nature and application of TBD derivatives .
-
N-烃基化反应中用PEG-400,PEG-600作为固-液体系相转移催化剂。
PEG 400 and PEG 600 worked as phase transfer catalyst in solid liquid phase N alkylation reactions .
-
对2-H苯并咪唑盐与烃基为不饱和取代基的格利雅试剂的加成-水解反应进行了研究,将此反应应用到不饱和醛的制备。
The addition-hydrolysis reaction was applied to the synthesis of unsaturated aldehyde by the-reaction of2-H benzimidazolium iodide with alkenyl magnesium bromide .
-
1H-1,2,4-三氮唑-3-氨基&烃基膦酸的合成及对钢铁和铜的缓蚀性能研究
Studies on the Synthesis of 1H-1,2,4-triazol-3-amine - Alkyl-phosphonic Acid and Corrosion Inhibition for A_3 Steel and Copper
-
STZ是经典的致糖尿病药物,具有活泼的烃基结构,可以选择性地直接损伤胰岛β细胞DNA,使β细胞抗原释出并被巨噬细胞加工、呈递给T淋巴细胞,引起免疫应答反应;
STZ is one of the classic diabetes inducers , characterized by selectively and directly impairing DNA of β cell which caused by its alive hydrocarbyl ; then the antigen of β cell released which consequently processed and presented to T lymphocyte by macrophage .
-
在PHMS-g-AA-SA中,随着羧烃基含量增加而变得更易乳化;
It changes easier being emulsified with the increasing of the content of AA in PHMS-g-AA-SA .
-
设计合成了六种新的双(二硫代二烃基氨基甲酸)酯类化合物L1~L6,并将它们作为PVC膜银离子选择电极的活性物质,研究了电极膜的组成、响应性能及应用。
In this part , we design and synthesize six new bis ( dialkyldithiocarbamates ) ligands ( L1 ~ L6 ) used as the neutral ionophores into the plasticized PVC membranes . The construction , response characteristic and application of silver ISEs are investigated .
-
在乙酸-乙酸酐溶液(含乙酸酐10%)中,由芳香醛和硫代巴比妥酸经Knoevenagel缩合反应,制备了5-亚烃基硫代巴比妥酸,产率为62.7%~95%。
Arylidene thiobarbituric acids were prepared by the Knoevenagel condensation reaction of aromatic aldehydes and thiobarbituric acid in acetic acid - acetic anhydride ( involving 10 % acetic anhydride ) , the yields were 62.7 ~ 95 % .
-
以石油中间产品为原料合成了烃基苯磺酸盐表面活性剂AS-4,AS-5,AS-6。
Using petroleum intermediate products as original reagents , the hydrocarbon phenyl sulfonate surfactants , named as AS 4 , AS 5 and AS 6 , have been synthesized .
-
烃基柱撑蒙脱石的层间吸附水脱除过程与结构轻基脱除过程界限己变的十分模糊,整个失重过程接近750OC才基本完成,结构解体温度在850℃左右,显然热稳定性较好。
Deprivation process boundary point of interlaminar planar water and structure hydroxyl group of OH-Al-PM have became extraordinary ambiguity , Entirely weight loss have not finished until 750 C , Temperature of structure decomposition in Al-PM are generality dominated by 850 C , thermal stability visible is very good .
-
α-烃基-β-酮砜的简便合成法
Simple synthesis of α - alkyl - β - keto sulfones
-
石蜡;氧化烃基蜡的钙盐;
Paraffin waxes and Hydrocarbon waxes , oxidized , calcium salts ;
-
氨烃基/三氟丙基聚硅氧烷增深剂的红外表征与应用性能
Preparation and Application of Deep Dyeing Promoter 3,3,3-Trifluopropyl / Amino Alkyl Polysiloxanes
-
(化学)烷基的或与之相关的;烃基的或与之相关的。
( chemistry ) of or related to an alkyl .
-
α-烃基取代吡啶对金(Ⅲ)的萃取研究(Ⅱ)
Studies on the Extraction of Gold (ⅲ) Using a-Alkyl Substituted Pyridines (ⅱ)
-
两种β-榄香烯烃基硒醚类化合物的合成、表征
Syntheses , Characterizations of Two Kinds of β - Elemene Alkyl Selenides