Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.
以间硝基苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。
Cooper M R.The progressive development of a failure surface in overconsolidated clay at Selborne,UK.
另外如果有关土体渐进破坏方面的资料请大家帮忙上传。。
Plants 1–2 m, monocarpic, not strongly scented.
株1-2，一次结果，不强烈香。
What is the shelf life of 3M's filtering facepiece respirators?
3M随弃式呼吸防护口的存放期是多长时间？
The nighttime airglow, or nightglow, correspond to the intensity of a candle at 100m distance.
夜间辉光或夜辉相当100距离的一支烛光的强度。
Bearing a m minute awn or bristle at the tip.
具小芒的 Aristulate 顶尖具芒或刚毛。
Today Mr Serin has debts of $2.2m.
现Serin有220万美元的债务。
M is twice as large as N.
M 等N的两倍。
EHH dnt no, im likin u.
point blank. 星期一。
The magnitude of the determinant of the matrix M, which is a volume or area or hypervolume.
矩阵M的行列式值的大小，为体积、面积或超体积。
Another means of extracting DHEA is introduced,Extracting DHEA fro m the residue of sweet potato,namely,Dehydro epi androsterone.
介绍DHEA的另一种提取方法,从红薯废料———薯渣中提取DHEA,即去氢表雄酮。
Shorett, M. "Spiritual Planning: The Fate of a Polycentric North American Regional Plan." 2003.
多中心北美区域计划的命运〉，2003。
So this algorit m is rather efficient for s olvingmulti2 di mensi onal 02 1 knap sack problem.
Abstract:Multi2 di mensi onal 02 1 knap sack p roblem often appears in decisi on making and p r ogramming, res ource distributi on, l oading, and so on .
M appears preferable to N.
看来M比N更为可取。
D ry m atter accum u lation of X ieyou 9308 and X ieyou 63during whole grow th period.
图3协优9308和协优63全生育期干物质积累状况 F ig.
The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
介绍了采用FID的色谱仪聚乙二醇20M色谱柱对氯乙醇的定量测定方法。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间苯氧基苯乙酮可由酚钾与间溴苯乙酮醋酸铜催化下以高产率合成。
In this paper, a modified nonradiative energy transfer method (M-NRET) was used for the study on miscibility of polymer blend.
荧光非辐射能量转移(NRET)法可灵敏地反映出几纳尺度上分子相互作用的信息。
Dahn line From a surface buoy a vertical drop line is positioned alongside underwater pinnacles in depths to 2,500 m.
延绳钓法将主钓鱼线绑上无线电鱼标(浮筒),并主(干)绳以一定间距布放带鱼钩之子绳。
Abbreviation: T: Tapetal; N: Nucleus; TE：Tetrad; TW: Wall of tapetal cell; V: V acuole; D: Dictyosome; C: Callose; M: Mitochondria.
绒毡层细胞，N：细胞核，TE:四分体，TW：绒毡层细胞壁，V：液胞,D：高尔基体，C：胼胝质壁，M：线粒体。
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