查询词典 MS

The experiment results showed that the Prunus mongolica explants of shoot apex, shoot cutting section and leaf could be dedifferentiated to callus, and the callus could be redifferentiated to regeneration plantlet on the MS medium.

实验结果表明，在MS培养基上蒙古扁桃幼苗茎尖、茎切段和叶片等外植体均可以脱分化形成愈伤组织，并进一步分化形成再生植株。

The callus induction of licorices was easy. And the MS+1.0 mg/L NAA+1.0 mg/L 2, 4-D +1.0 mg/L 6-BA was the best medium to cotyledons, hypocotyls and radicles. And all the induction rates were 100%. 4. In the study of callus regeneration, only obtain the regeneration plants of hypocotyls callus,and its frequency was 4.57%.

甘草离体再生中愈伤组织的诱导较为容易，三种外植体子叶、下胚轴和胚根均以MS+1.0 mg/L NAA+1.0 mg/L 2，4-D+1.0 mg/L 6-BA为愈伤组织诱导的最佳培养基，在此培养基上，3种外植体愈伤组织诱导率均达到100%。

The content ratio of linear ABS to branched ABS can be determined from negation ion ESI-MS spectrum.

线型与支化 ABS相对含量可以用负离子 ESI－ MS求出。

RESULTS: sHSP was purified from shark liver with high purity. The molecular weight of sHSP was measured to be 4 899.715 Daltons by MALDI-TOF-MS.

结果：通过MALDI-TOF-MS检测，sHSP的分子量为4 899.715 Da，其紫外特征吸收波长为273.1 nm。

Based on optimal design parameters selection and engineering practice, the response time of the high-pressure long-stroke high-speed solenoid was 24.95 ms with a stroke of 4 mm.

结合实际设计要求，采用优化后的结构参数研制的耐高压大行程高速开关电磁铁在4 mm行程时的响应时间为24.95 ms。

It has no macros and can be used in MS Excel

它没有宏，可以在MS Excel中使用

The complexing properties of compounds 10a, 10b, 11a and 11b toward alkali metal ions were studied by 〓H NMR titration, ESI-MS, UV-Vis spectra, Fluoresence spectra and liquid-liquid extraction. The results show:(1) the 1:1 complexes were formed.(2) The calix-crown 10a, 11a have a higher selectivity for Na〓 ions, whereas 10b, 11b for K〓 ions.(3) The complexing ability toward alkali metal ions was enhanced when the calix-crown have side arm carbonyl.(3) The coordination of alkali metal ions toward phenoxy, carbonyl and crown ethereal oxygens take place by rotation around the carbon-carbon bond of carbonyl and methylene.

六，用〓H NMR滴定，ESI-MS，UV-Vis，Fluorescence，液-液萃取实验研究了10a，10b，11a和11b对金属离子的配位性质，研究结果表明：1）杯芳烃冠醚衍生物同碱金属离子形成了1：1配合物，化合物10a、11a对Na〓具有较高的配位能力，化合物10b、11b对K〓具有较高的配位能力；2）在杯冠醚环的旁边引入带有羰基氧原子的基团作为侧臂参与配位可以加强对碱金属离子的配位能力；3）金属离子分别同苯酚氧，羰基氧，聚氧醚链氧发生了配位，配位过程中侧链基团涉及到了羰基碳与亚甲基碳的碳碳键的旋转过程。

The structures and compositions of the methyl ester fractions were identified using GC-MS technology.

用元素分析、红外光谱分析等对上述各组分的组成及结构进行鉴定，对甲酯组分Ⅰ进行GC-MS结构鉴定。

Objective: To establish a for determination of methyl tert-butyl ether in drinking water by purge-trap GC-MS.

目的：建立适用于水中甲基叔丁基醚的吹扫捕集GC-MS测定方法。

The in vitro biotransformation of 6-CH3-HBP and 6-OH-HBP by rat liver microsomes was investigated by the developed GC/MS method.

利用已经建立的研究正丁苯酞体外代谢转化的GC/MS方法，进行了甲氧基、羟基取代丁苯酞在大鼠肝微粒体中的代谢转化研究。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。