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     chemical stability; and secondary adhesiveness. Particulated gelled flexible IFD agent SR-3 is prepared from 34% flexible monomer,60% comonomer,5% toughening agent,and 1% initiator and manufactured in 50% anti-adherent aqueous suspension.
     由34%柔性单体、60%共聚单体、5%增韧剂、1%引发剂合成了微粒型胶状柔性深部液流转向剂SR-3,产品为50%的防黏结水悬浮液。
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     Grain size of the gold minerals is commonly less than 0. 01 mm; therefore,the gold deposit belongs to the fine-minute particle type one.
     金矿物粒径多<0.01mm,属细粒—微粒型金矿,其嵌连关系以粒间金为主。
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     RELATIONSHIP BETWEEN FAULT AND MICROGRAINED DISSEMINATED GOLD DEPOSIT SOUTHERN GUANGXI
     桂南断裂构造和微粒型金矿的关系
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     Through the two I-type sequences boundaries are affirmed, the authors discuss the relation and significance between unconformity and stratigraphic division and correlation, and an analysis of sedimentary environment and basins, and the formation mechanism fault and microfine grained gold type deposits in the study area.
     通过这 2个I型层序界面的确认 ,讨论了其与地层划分对比、沉积环境及盆地分析、断裂的发育及与微粒型金矿的关系与意义。
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     40 cases were treated with MIG (micro-glibenclamide) and 36 with OVG (old version glibenclamide) for 3 months. All patients were monthly followed-up for FPG. IRI (im-muno-reaction insulin) ,C-P,FMN(fructosamine),blood lipids and their pharmacokinetic behavior.
     40例用MIG(微粒型优降糖)、36例用OVG(国产优降糖)治疗3个月,所有病人每月随访用药后FPG、IRI、C-P、FMN、血脂以及药代动力学情况。
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     (3)D shape.
     D
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     (2)C shape;
     C ;
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     KF-4 particle counter
     KF-4微粒计数器
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     CLINICAL OBSERVATION ON THE EFFECTIVENESS OF MICRONIZED GLIBENCLAMIDE
     微粒优降糖的疗效观察
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     Development of Particle Manganese Dioxide
     微粒电解二氧化锰的研制
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Three kinds of chemically bonded micro-porous silica (10 um partisil ODS-2, 10 μm GYT-C18 and 5 μm GYT-C_(18)) were used for separation of amino acids and amines diastereoisomers, 5μm and 10 μm GYT-C_(18), prepared in our Institute, with good efficiency. The theoretical plates of Partisil ODS, 10μm and 5μm GYT-C_(18) are 10000plates/m, 46000plates/m and 53000plates/m, respectively. Five racemic amino acids were separated as the diastereoisomeric mixture of D-camphor-β-suphonyl-p-nitrobenzyl ester and two racemic...

Three kinds of chemically bonded micro-porous silica (10 um partisil ODS-2, 10 μm GYT-C18 and 5 μm GYT-C_(18)) were used for separation of amino acids and amines diastereoisomers, 5μm and 10 μm GYT-C_(18), prepared in our Institute, with good efficiency. The theoretical plates of Partisil ODS, 10μm and 5μm GYT-C_(18) are 10000plates/m, 46000plates/m and 53000plates/m, respectively. Five racemic amino acids were separated as the diastereoisomeric mixture of D-camphor-β-suphonyl-p-nitrobenzyl ester and two racemic aralkylamines as N-D-camphor-β-sulphonylamines. The column slurry-packed with 10 μm GYT-C_(18) gave the most favorable results. For seven racemates tested, six pairs of diastereoisomers gave baseline separation.The experimental data showed that no conclusive correlation between elution order and absolute configurations could be determined.

本文报道了使用三种不同类型十八烷基键合填充荆分离氨基酸及胺的非对映异构体,实验结果表明,我所自制的微粒型GYT-C_(18)填充剂分离效果较好,所试验的七种化合物中有六种达到基线分离。并发现化合物的构型同出峰的次序之间无规律性关系。

In a previous report the determination of partition coefficient with a pellicular chemically bonded silica gel (Permaphase ODS) was investigated. The different log P ranges are measured using different mobile phases: 60% methanol-water covers 3.37~4.45, 30% methanol-water 2.11~3.37 and 1% methanol-water 1.58~2.13. The microporous bonded octadecylsilane supports (10μm Partisil ODS and GYT-C_(18)) have good efficiency on separation. In this paper, we investigated the determination of partition coefficient using...

In a previous report the determination of partition coefficient with a pellicular chemically bonded silica gel (Permaphase ODS) was investigated. The different log P ranges are measured using different mobile phases: 60% methanol-water covers 3.37~4.45, 30% methanol-water 2.11~3.37 and 1% methanol-water 1.58~2.13. The microporous bonded octadecylsilane supports (10μm Partisil ODS and GYT-C_(18)) have good efficiency on separation. In this paper, we investigated the determination of partition coefficient using Partisil ODS and GYT-C_(18) packing column and compared the results with Permaphase ODS packing column. The experimental data showed that in one mobile phase system(75% methanol-water)the capacity factors could be determined in the log P range of 0.90~4.45. In this case it is not right for the purpose of determination of log P. But within narrow range of log P, such as 1.39~2.69, log P correlated with log k' linearly. As compared with Permaphase ODS packing column, the deviation is large. Therefore, the determination of partition coefficient using a pellicular bonded octa-decylsilane support is more suitable.

前曾报道使用薄壳型键合填充剂(Permaphase ODS)测定分配系数(log P)得到较满意的结果。使用四种不同洗脱液系统,log P值测定的范围为1.46~5.00。本文选用二种全多孔微粒型键合填充剂进行分配系数测定的研究。实验结果表明这两种填充剂使用一种洗脱液系统(75%甲醇-水),log P值测定的范围为0.76~4.45,大大超过Permaphase ODS使用一种洗脱液测定的log P值的范围,但在此条件下不适用于分配系数的测定。在较小的log P值范围内log P和log k′之间有良好的线性关系,然而同Permaphase ODS的结果相比,测定分配系数的偏差仍较大。

In this paper,the karyotype,interphase morphokaryon and polykaryon in stem tip cells of Camellia assamica(Mast.)Chang have been studied,by wall degradation,hypotomic treatment and flame-drying method and stain with Giemsa.The somatic complement showed that the 1,2,3,6,8,9,11,13,14 and 15th chromosomes are median centromeres,the 4,5,7,10 and 12th chromosomes are submedian centromeres,and one of the 7 and 12th chromosome respective are sat-chromosome.According to the classification systems given by Levan et al.,the...

In this paper,the karyotype,interphase morphokaryon and polykaryon in stem tip cells of Camellia assamica(Mast.)Chang have been studied,by wall degradation,hypotomic treatment and flame-drying method and stain with Giemsa.The somatic complement showed that the 1,2,3,6,8,9,11,13,14 and 15th chromosomes are median centromeres,the 4,5,7,10 and 12th chromosomes are submedian centromeres,and one of the 7 and 12th chromosome respective are sat-chromosome.According to the classification systems given by Levan et al.,the karyotype formulas is therefore 2n=20m+8sm+2sm(SAT).Of the 9 cells examined in this paper,6 cells are "2A" type of Stebbins karyotypic symmetry,and 3 cells are "2B" type.The interphase morphokaryon of the tea plant are complex chromocenter type and densely diffuse type.Furthermore,the polykaryon on the tea plant was observed for the first time,among 1250 cells of the tea plant was examined,6 are cells with two nuclei(0.48% two nuclei)and 2 are cells with three nuclei(0.16% three nuclei).In addition,the karyotypes of some Camellia plants were also discussed,it can be simplified as follows:(1)The genus Camellia is more original race in their evolution;(2)Karyotypic evolution of the genus Camellia basically agreeing with that concluded by Stebbins,i.e.,karyotype evolution from symmetry to asymmetry;(3)The karyotypes of the genus Camellia are obviously different to a certain degree,which is irregularity.These results basically tallied with viewpoint in "A Taxonomy of the Genus Camellia" of Chang Hung-ta.Variation of the sat-chromosome number were obviously irregularity in the karyotype evolution of the genus Camellia.In this paper,the karyotype,interphase morphokaryon and polykaryon in stem tip cells of Camellia assamica(Mast.)Chang have been studied,by wall degradation,hypotomic treatment and flame-drying method and stain with Giemsa.The somatic complement showed that the 1,2,3,6,8,9,11,13,14 and 15th chromosomes are median centromeres,the 4,5,7,10 and 12th chromosomes are submedian centromeres,and one of the 7 and 12th chromosome respective are sat-chromosome.According to the classification systems given by Levan et al.,the karyotype formulas is therefore 2n=20m+8sm+2sm(SAT).Of the 9 cells examined in this paper,6 cells are "2A" type of Stebbins karyotypic symmetry,and 3 cells are "2B" type.The interphase morphokaryon of the tea plant are complex chromocenter type and densely diffuse type.Furthermore,the polykaryon on the tea plant was observed for the first time,among 1250 cells of the tea plant was examined,6 are cells with two nuclei(0.48% two nuclei)and 2 are cells with three nuclei(0.16% three nuclei).In addition,the karyotypes of some Camellia plants were also discussed,it can be simplified as follows:(1)The genus Camellia is more original race in their evolution;(2)Karyotypic evolution of the genus Camellia basically agreeing with that concluded by Stebbins,i.e.,karyotype evolution from symmetry to asymmetry;(3)The karyotypes of the genus Camellia are obviously different to a certain degree,which is irregularity.These results basically tallied with viewpoint in "A Taxonomy of the Genus Camellia" of Chang Hung-ta.Variation of the sat-chromosome number were obviously irregularity in the karyotype evolution of the genus Camellia.

本文采用去壁低渗法研究了云南大叶茶的染色体核型,间期核形态和多核现象。结果表明大多数染色体是中部着丝粒染色体,5对是近中部着丝粒染色体,第7和12对染色体中各有1条具随体染色体。根据Levan等的分类原则,其核型为2n=20m+8sm+2sm(SAT),属于Stebbins核型分类的“2A”型,同时亦发现有“2B”型的核型。云南大叶茶间期核型为浓密分散型和复杂染色中央微粒型两种;并首次发现茶树中的多核现象,在所观察的1250个细胞中有6个是具双核细胞(占0.48%),有2个是具三核细胞占(0.16%)。另外,本文还对部份山茶属植物的核型进行了讨论。从核型上可以看出:(1)山茶属植物在进化上属于较原始的种系;(2)山茶属植物核型的进化基本符合Stebbins提出的植物界核型进化的规律,即对称—→不对称;(3)山茶属植物的核型在一定范围内变异甚大,这种变异没有一定的规律性。这些观点与张宏达提出的山茶属植物的分类系统基本吻合。带随体的染色体数目在山茶属植物核型的进化上没有什么明显的变化规律。

 
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