查询词典 dicarboxylic acid

Aturated calomel electrode, the calibration curves for all polycarboxylic acids studied were linear with 2～3-orders of magnitude and all the detection limits (s/n=3) were below 15 fmol except malonic acid.

CE获得了选择性的、灵敏的检测，检测限在15fmol(丙二酸97.5fmol)以下，线性范围达2～3数量级。

A three-electrode system composed of TiO2/Ni as the working electrode, porous nickel as the counter electrode and saturated calomel electrode as the reference electrode was used for the photoelectrocatalytic degradation of sulfosalicylic acid under anodic bias potential.

建立了以刮浆工艺制得的TiO2/Ni为工作电极、泡沫镍为对电极、饱和甘汞电极为参比电极的光电催化反应体系，研究了在磺基水杨酸的光电催化降解过程中，外加电压和溶液PH值对降解速率的影响。

In this thesis, multi-wall carbon nanotubeswas worked as a modified agent. The working electrode was a glassy carbon electrode or graphite electrode. A saturated calomel electrode and a platinum electrode were used as the reference and the auxiliary electrode respectively. Some pharmaceutics'electro-chemical behavior has been studied with great details. The main researches were summarized as follows: The acid-treated CNT was successfully dispersed into the DMF by using ultrasound technology.

本论文以多壁碳纳米管为修饰剂，以玻碳电极和石墨电极为工作电极，铂丝电极为对电极，饱和甘汞电极为参比电极，研究了几种药物的电化学行为及其检测方法，取得了以下研究结果：以N，N-二甲基甲酰胺为分散介质，将酸化后的MWNT超声分散于DMF中，获得分散液。

Receptacles,After invented agriculture, the conditions of life have been fundamentally changed, but still can not meet their needs, From the display of fishing and hunting tools of bone posts , bone arrow, projectile and the rich fruits of acid Chinese date,acorn, Gordon euryale , Caltrop, is showing that fishing and hunting and gathering communities were indispensable economic activities.

贮，在发明农业，生活条件已得到根本改变，但仍不能满足他们的需要，从显示的捕鱼和狩猎工具员额骨，骨箭头，弹丸和丰硕成果酸中的日期，橡子，戈登芡实，菱角，显示，捕鱼和狩猎和采集社区是必不可少的经济活动。

Apple acetic acid, Gymnema vine extract, natural vitamin B-6, apple pectin, Garcinia cambogia, konjac flour, sweet potato cellulose.

苹果醋酸、武靴藤提取物、天然维他命B-6、苹果胶质、藤黄果、魔芋粉、甘薯纤维素等。

Glauca which isolated by using solvent: camphene, 3, 6, 6-trimethyl-2-norpinene and capric acid, ethyl ester

山胡椒果油：正癸酸、大根香叶烯A、月桂酸等；莰烯、3，6，6-三甲基-2-降蒎烯、癸酸乙酯等

Solid acid; turpentine; isomerization; zeolite; camphene

固体酸；松节油；异构化；沸石分子筛；莰烯

Isobornyl methacrylate ; Ion exchgange resin ; Methacrylic acid ; Camphene ; Kinetics

甲基丙烯酸莰醇酯；离子交换树脂；甲基丙烯酸；莰烯；反应动力学

The results were as follows:Afterthe NH_4Y zeolite was dealuminated with Oxalic acid,the conversion of pinenespeeded up markedly, but the selectivity of camphene also dropped downmarkedly.After the NH_4Y zeolite was infused in solution of Mg(NO_3)_2,Zn(NO_3)_2 or Al(NO_3)_3 to remove corresponding oxide,the conversion rate of pinenedropped down,and the selectivity of camphene had little increase.

结果表明：NH_4Y型沸石分子筛经草酸脱铝后，蒎烯转化显著加快，但莰烯的选择性也显著下降；而NH_4Y型沸石分子筛经硝酸镁、硝酸(来源：caAB3aC论文网www.abclunwen.com)锌、硝酸铝溶液浸渍来负载相应的氧化物后，蒎烯转化率有所下降，莰烯选择性稍有增加。

By means of GC, GC-MS, GC-IR, the reaction products were investigated and the results showed that there are triylene, camphene, limonene, p-cymene, terpinolene -terpinene,-terpinene,-fenchyl formate, linalyl formate, terpinyl formate, bornyl formate and isobornyl formate containing in the products,and linalyl formate was first discovered in addition reaction of a -pinene and formic acid .The content of the main product terpinyl formate is up to 60.4%,the selectivity is 64.5%.

采用GC、GC-IR、GC-MS等对反应产物进行定量和定性分析，结果表明：微波辐射下α-蒎烯与甲酸的反应产物含有三环烯、莰烯、对-伞花烃、α-松油烯、γ-松油烯、柠檬烯、异松油烯、甲酸葑醇酯、甲酸异龙脑酯、甲酸龙脑酯、甲酸芳樟酯、甲酸松油酯。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。