- 更多网络例句与查耳酮相关的网络例句 [注：此内容来源于网络，仅供参考]
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The new procedure is much convenient for products separation excluding the wet viscid isocyanuric acid.
在优化条件下，使用5mol%的四丁基溴化铵催化剂，大部分查耳酮类底物在3-5小时内定量转化成环氧化产物。
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New flexible ligand derived from this achiral biphenylbackbone was applied in Cu-catalyzed enantioselective 1,4-conjugate additionsof Et_2Zn to chalcone.
进一步衍生得到的非手性联苯型P，N 配体，在Cu催化Et_2Zn对查耳酮的1，4-共轭加成反应中也进行了考察。
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Chapter 3: Synthesis of 2-aroyl-l,3,5-triaryl-4-carbethoxy-4-cyanocyclohexanols from chalcones with ethyl cyanoacetate is carried out in excellent yields with KF/basic alumina as catalyst under ultrasound irradiation.
第三章：研究了超声辐射下，以碱性氧化铝固载氟化钾为催化剂，利用查耳酮和氰乙酸乙酯合成2-芳酰基-1，3，5-三芳基-4-乙酯基-4-氰基环己醇。
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Double chain naphthyurea/thiourea piperazine derivatives complex with linear dicarboxylate anions with a high stability constant and 1∶1 stoichiometry of the complex-and the complex was formed through six hydrogen bonds.2 Photophysical behaviors and anion binding of three N,N-dimethylaminochalcone derivatives were studied.
二研究了三种N，N-二甲基氨基查耳酮衍生物的光物理行为及与阴离子的结合能力。4'位不同的取代基-氨基和苯脲基对查耳酮的的分子内电荷转移能力有一定的影响，它们减弱了查耳酮衍生物的分子内电荷转移能力，导致发射光谱蓝移。
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The result indicates the best conditions are: when the solvent is water the weight of the water is 8 times than of the Lithocarpus polystachyus Rehd, the temperature of the water is 60℃, the period of the extraction is 60 min,then the content of dihydrocharcone can reach 5.26%....
结果表明，二氢查耳酮的最佳提取条件为：1∶8的料水比，在80℃温度提取60min，二氢查耳酮的提取率达5.26%。用高效液相色谱法检测，二氢查耳酮含量为98.37%。
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Dihydrocharcone was extracted by water as the solvent from Lithocarpus polystachyus Rehd.
于丽静，董华强，战宇，宁正祥，从多穗柯中提取二氢查耳酮的研究
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This thesis consists of four chapters:Chapter 1: Michael addition of chalcones with active methylene compounds such as diethyl malonate, ethyl acetoacetate and nitromethane catalyzed by potassium hydroxide in anhydrous ethanol results Michael adducts in 72-98% yield under ultrasound irradiation in 25-150min.
第一章：研究了超声辐射下，氢氧化钾催化的查耳酮与活泼亚甲基化合物如丙二酸二乙酯、乙酰乙酸乙酯和硝基甲烷的迈克尔反应。
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The electron-rich and sterically hindered ligand 9d provides the best enantioselectivities (up to 97.8 % ee) for various chalcones as the substrates.
其中富电子且空间位阻较大的配体gd对查耳酮类底物表现了最好的手性诱导能力，加成产物的ee值达到94.7一97.8%。
- 更多网络解释与查耳酮相关的网络解释 [注：此内容来源于网络，仅供参考]
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challah,challot,hallah：(安息日用)小面包
"查[耳]酮","chalkone,chalcone" | "(安息日用)小面包","challah,challot,hallah" | "抑素","chalone"
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chalone：查耳酮;苯丙烯酰苯
chalice (高脚)酒杯 | chalk 白垩(蛋壳中的碳酸钙成分) | chalone 查耳酮;苯丙烯酰苯
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negative nitrogen balance：负氮平衡
natural radionuclide 天然放射性核索 | negative nitrogen balance 负氮平衡 | neohesperidin dihydrochalcone 新橙皮苷二氢查耳酮
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quercitrin：栎素
有些种类尚含栎素(quercitrin)、柚皮苷(naringenin)等. 水青冈属和栎属等的种仁含以油酸和亚油酸为主的脂肪油. 广布于长江以南各地的多穗柯的嫩叶含一种查耳酮类化合物,称为trilobatin,它是一种甜味物质,呈淡黄色结晶.
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chalcone：查耳酮
种子油中还含肉豆蔻酸(myristicacid),而种子油中总结合脂肪酸的50%以上为亚油酸(linoleicacid),还含少量亚麻酸(linolenicacid),另外,海红豆木质部分中含有洋槐黄素(robinetin),查耳酮(chalcone),紫铆花素(butein),
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chalcone：查耳酮,芳烯苯酰芳烃,苯丙烯酰苯
chalazogamy 合点受精 | chalcone 查耳酮,芳烯苯酰芳烃,苯丙烯酰苯 | challenge 攻击
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Chalcone isomerase：查耳酮异构酶
共轭亚油酸:linoleic acid isomerase | 查耳酮异构酶:Chalcone isomerase | 脯氨酸异构酶:peptidylprolyl cis-trans-isomerase
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chalcone,chalkone：查[耳]酮
"链传动","chain transmission,chain drive" | "查[耳]酮","chalcone,chalkone" | "白垩质米","chaldy rice"
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chalkone,chalcone：查[耳]酮
"[高脚]酒杯","chalice" | "查[耳]酮","chalkone,chalcone" | "(安息日用)小面包","challah,challot,hallah"
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naringin dihydrochalcone：柚苷二氢查耳酮
NADH-dehydrogenase 还原型辅酶I脱氢酶 | naringin dihydrochalcone 柚苷二氢查耳酮 | natural radioactive background 天然放射性本底