查询词典 isomer

The results showed that the soil catalase and dehydrogenase activities, soil microbial biomass N and microbial biomass C were restrain somewhat by four acetanilide herbicides at the beginning of cultivation, but can recover soon.

研究表明，培养初期丁草胺、乙草胺、丙草胺和异丙甲草胺对土壤过氧化氢酶和脱氢酶活性、对土壤微生物量氮和微生物量碳有不同程度的抑制，但均能很快恢复，四种供试酰胺类除草剂对土壤生态的影响不大，除草剂之间也没有表现出显著差异；培养初期rac-异丙甲草胺和S-isomer高浓度处理均比常规用药量处理对土壤酶、土壤BN和Bc的影响大。

Most vertebrate has 1~3 the Mx albumen isomer of the fixed position inside different cell, be located in surely commonly inside the nucleus or afterbirth is qualitative in.

大多数的脊椎动物有1~3个不同细胞内定位的Mx蛋白异构体，一般定位于核内或胞质中。

At the same time, the channel framework formed by hosts could recognize p -anisaldehyde and form exceptive structural inclusion compound at a molar ratio of 2∶1, which is a supramolecular isomer of inclusion compound at a molar ratio of 1∶2.

同时， 主体分子形成的隧道框架对茴香醛具有识别作用，形成2∶1物质的量比的特殊结构包结物晶体，它是主客体分子物质的量比为1∶2包结物的超分子异构体。

The appearance of-enantiomer after incubation with single-enantiomer revealed the enantiomeric inversion of-isomer to its antipode. While no obvious stereoselective degradation or enantiomeric inversion were observed in other test soils.

左右旋对映体在3~#土壤中的降解速率有明显差异，二者半衰期相差0.95周；添加外消旋体培养6周后ER值达到1.65，表明左旋体被优先降解；同时在该土壤中存在左旋体向右旋体的转化现象；在其他几个土壤中均未有明显的选择性降解或对映体转化现象。

The self-erasure happens because the new isomer of azobenzene is not as stable as the old one.

自动清洁现象的发生是由于偶氮苯得异构体远不如其本体稳定。

These two oils each contain limonene and carvone, but each oil contains a different isomer of these chiral compounds.

这两种精油各自都含有柠檬烯和香芹酮，但每种精油都是由具有不同手性的柠檬烯和香芹酮的异构体所组成的，在这个实验课中，学生会接触到真空蒸馏操作。

A structural isomer of citral that is obtained from the oxidation of geraniol.

黄烷醇氧化时发生的氨基酸降解，产生了红茶香气中的醛类物质。

A structural isomer of citral that is obtained from the oxidation of nerol and is used to make perfumes and flavorings.

橙花醛柠檬醛的同分异构体，橙花醇氧化可得，用于制造香水和香料

lifetime of isomer, high charge state, electron energy level, electron density

中国科学院近代物理研究所兰州730000；中国科学院近代物理研究所兰州730000靳根明

These results show that the dual fluorescence of 4-AHBO (5-AHBO) is produced by its different tautomers, hut not by the same isomer: the long wavelength emission is from the keto tautomer, and the short wavelength band is produced by four kinds of enol isomers.

结果表明，4-AHBO(5-AHBO)的双荧光不是由同一种异构体发射的，而是来源于不同异构体的发射：长波区的荧光由酮式构型发射，短波区的发射则可能由四种醇式异构体共同产生。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。