查询词典 benzoquinone

The screening of a wide range of bases, oxidants, and solvents found that the best reaction conditions require Ag salts, benzoquinone, and tert -amyl alcohol, respectively.

放映一系列基地、氧化剂发现和溶剂的最佳反应条件要求盐类银、醌、叔戊醇，分别

Polyketone STCO, a special Ecomaterial, poly (1-oxo-2-phentrimethylene), was prepared by the precipitation copolymerization of CO with ST in the presence of catalysts composed of palladium acetate, bident ligand of 2, 2′-bipyridine, strong acid, p-benzoquinone etc.

利用乙酸钯、含氮双齿配体、强酸、对苯二醌等组成的催化体系催化苯乙烯和一氧化碳的沉淀共聚反应，合成出环境友好材料聚酮STCO—聚（1-氧代-2-苯基丙撑）。

In the present paper,FTIR spectroscopy was used to study the Fermi resonance of p-benzoquinone in thirteen solvents.

利用傅里叶变换红外光谱法研究了对苯醌在13种溶剂中的费米共振现象。

Primary by-products range from benzoquinone to maleic acid and oxalic acid.

中间产物主要为苯醌、马来酸、草酸等，

The rate constant for the chem. reaction of benzoquinone with reduced GOD was measured, and the advantage of benzoquinone over oxygen as a mediator in bioelectrocatalysis was discussed.

测定了苯醌同还原态GOD的化学反应速度常数，并讨论用苯醌代替氧作为生物电催化中的电子传递体的优点。

The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied.

以苯酚为原料，复合金属离子为催化剂，研究用气相氧化合成苯醌，用铁粉还原苯醌制对苯二酚的两步法工艺，考察了氧化过程中的工艺条件对反应的影响。

The reaction mechanism and the dynamic were investigated Some results were obtained as the following:1. Investigation on the photo-induced reaction mechanism of porphyrin/benzoquinonePoiphyrin/benzoquinone/CK3OD and benzoquinone/CDsOD were studied by CIDNP and ESR technique.

本文采用化学诱导动态核极化和电子自旋共振等方法，针对光合作用模型体系的光激发电子转移和基态相互作用以及跨膜电子传递反应动力学等问题，从反应机理及动力学等角度进行了探索性研究。

Subcordiformis in Huanghai Sea near Dalian, it can be able to evolve H〓 photosynthetically. Comparing with Chlamydomonas reinhardtii in our lab, the H〓 productivity is same. By the elementary macro regulation of H〓 production with 2, 5-dibromo-3-methyl-6-isopropyl-p-benzoquinone , N, N'-dicyclohexylcarbodiimide , 3-(3, 4-dichlorophenyl)-1, 1-dimethylurea , sodium dithionate, sulfur-deprivation and cell immobilization, the results show that DCCD, immobilization and sulfur-deprivation has a positive effects on the H〓 production.

利用DCCD（质子泵抑制剂N，N'-dicyclohexylcarbodiimide）、DBMIB（光合电子传递抑制剂2，5-dibromo-3-methyl-6-isopropyl-p-benzoquinone）、DCMU[PSⅡ光合放氧抑制剂3-（3，4-dichlorophenyl）-1，1-dimethylurea]、连二亚硫酸钠、无硫调控及固定化扁藻等手段，对该扁藻产氢进行初步的宏观调控，发现DCCD的加入、扁藻的固定化和无硫调控对产氢均有正效应，其中无硫调控使扁藻产氢时间延长，总产氢量提高了近10倍。

Compounds were identified by NMR etc, and they are veraflorizine 1, ebeinone 2, verticinone 3, isoverticine 4, trilinolein 5, phenanthrene 6, 2,5-dimethoxy-1,4-benzoquinone 7, tetradecane 8. All of them were isolated from this plant for the first time.

从安徽舒城县产舒城贝母的干燥鳞茎中分离得到了14个单体化合物，应用核磁共振等手段鉴定了8个化合物的结构，其中4个化合物为异甾体生物碱，4个为非生物碱，分别为：veraflorizine 1、鄂贝乙素2、浙贝乙素3、异浙贝甲素4、三亚麻油酸甘油酯5、菲6、2，5—二甲氧基苯醌(2，5-dimethoxy-1，4-benzoquinone)7和正十四烷8，这些化合物均为首次从该植物中分离得到。

It is selected, for example, from the group consisting of the following complexing agents including o-chloranyl (3,4,5,6-tetrachloro-1,2-benzoquinone), p-chloranyl (2,3,5,6-tetrachloro-1,4-benzoquinone), nitrobenzene, trinitrobenzene, or tetracyanoethylene.

它是例如选自o-氯冉基(3，4，5，6-四氯-1，2-苯醌)、p-氯冉基(3，4，5，6-四氯-1，4-苯醌)、硝基苯、三硝基苯或四氰基乙烯的络合剂。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。