| 释义 |
n-butanolBNC²³⁶²¹³⁺¹
基本例句
正丁醇¹⁰⁰
A capillary gas chromatographic method with directly sampling is established to determine the residual amount of acetone and n-butanol in cefoperazone sodium.
建立了采用直接进样毛细管气相色谱法测定头孢哌酮钠中丙酮和正丁醇残留量的方法。 cnki
Some influential factors of the reaction such as the mass of catalyst, the molar ratio of n-butanol to sebacic acid and the reaction time were investigated and the optimum conditions were studied.
考察了催化剂用量、 醇酸比、反应时间等对酯化反应的影响并确定了酯化反应的最佳条件。 chemyq
The solid acid catalysts, and have been prepared and their esterification activity for n-butanol with acetic acid has been exam-in ed, The activity order of them is.
制备了、和固体超强酸催化剂；考察了其对正丁醇和乙酸的酯化活性，表明的活性最好，较差。 chemyq
A series of titanate catalysts are synthesized by the reactions of titanic chloride with isoamylol,2- ethyl hexanol, ethanediol and n-butanol respectively.
以异戊醇、2-乙基己醇、乙二醇和正丁醇分别与四氯化钛进行反应，合成出一系列钛酸酯类催化剂。 cnki
Antibacterial substances were existed in ethyl acetate and n-butanol phase during extraction process.
提取物的乙酸乙酯和正丁醇部位具有抑菌活性。124.205.222.100
By controlling the hydration of alkoxide, and with n-butanol azeotropic distillation and ethanol rinsing methods, the preparation process of superfine titania powder was investigated in detail.
利用控制醇盐水解的方法，分别采用正丁醇共沸蒸馏和乙醇洗涤这两种工艺，详细研究了超细二氧化钛粉体的制备过程。 dictall
ConclusionSaponin and n-butanol extract are anticancer effective part.
结论皂苷物和正丁醇物为其抗癌有效部位。 cnki
During the preparation of stearic acid gel, stearic acid and magnesium stearate combining with butyl titanate formed magnesium-titanium oxide network polymer, meanwhile n-butanol is generated;
在硬脂酸凝胶制备过程中，硬脂酸和硬脂酸镁和钛酸丁酯结合形成了镁钛氧网络聚合物结构，同时还有正丁醇的产生； boshuo
Juemingzi extracts were prepared with ethyl acetate, n-butanol and water respectively.
以决明子为原料，分别用乙酸乙酯、 正丁醇和水制备粗提取物。 chemyq
Objective: To study the protective effects and its mechanisms of n-butanol fraction of Potentilla anserine L on Hippocampus neuron of neonatal rats in hypoxia injury.
目的：研究蕨麻正丁醇部位对大鼠海马神经元缺氧损伤的保护作用，并探讨其可能机制。 dictall
Objective:To study the antibacterial function of rutaecarpa ether extract, n-butanol extract, volatile oil and aqueous extract.
目的：研究吴茱萸乙醚提取物、正丁醇提取物、挥发油、水提物对绿脓杆菌的抑菌作用。 shouxi
RESULT The acetic ether portion, n-butanol portion and total flavonoids portion of Pollen Typhae could markedly shorten the coagulate time in mice.
结果蒲黄及炮制品的乙酸乙酯部位、正丁醇部位、总黄酮部位可明显缩短小鼠凝血时间。 cnki
The results showed that n-butanol extracts has strong scavenging activity to DPPH free radicals while ethyl acetate extracts was better to restrain the lard oxidation.
结果表明：正丁醇组分清除DPPH自由基能力较强，乙酸乙酯部分抗猪油氧化能力较强； cnki
The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst.
采用正丁醇-氢氧化钠反应体系，以十六烷基三甲基溴化铵为相转移催化剂，制得脱乙酰度为92%的壳聚糖。 cnki
The ethanol extract from the twig bark powder of Periploca sepium was suspended in water and successively treated with petroleum ether, ethyl acetate and n-butanol.
将杠柳枝皮粉末的乙醇提取物悬浮于水后，依次用石油醚、乙酸乙酯和正丁醇萃取。 dictall
This paper presents a new process for the recovery of maleic anhydride MA using n-butanol as a solvent.
提出以正丁醇为溶剂回收顺酐的新工艺。 cnki
To investigate the anti- inflammatory mechanism of n-butanol extract from Melilotus suaveolens LedebMSL in vitro.
目的研究草木犀正丁醇提取物在体外的抗炎作用。 dictall
Using a simple and reliable apparatus, the solubilities of glutaric acid in water, ethanol, toluene, chloroform, n-butanol and acetone are determined by the analytic method.
用平衡法分别测定了戊二酸在水、乙醇、甲苯、氯仿、正丁醇、丙酮中的溶解度数据。 dictall |