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- D rought s and flood s make wors e by climate change and growing competition for water. 气候的变化致使干旱和洪灾的情况十分严重,水资源需要不断短缺。
- Edited by J.K.Koehler with contributions by S. 书名/作者 Advanced techniques in biological electron microscopy.
- As i s k nown, we s e t gr e a t s t or e by t he t r a de r e l a t i ons hi p wi t h t he t hi r d wor l d c ount r i e s . 众所周知,我们十分重视同第三世界国家的贸易关系。众所周知,我们十分重视同第三世界国家的贸易关系。
- Extraction of polymyxin E by foam separation was studied. 重点研究了泡沫分离提取多粘菌素E的工艺。
- E by s 东偏南
- The function is called the entropy of the system, and is denoted by S. 此函数称为该系统的熵,用S表示。
- The theoretical response correlates well with dynamic testing of an engineering pil e by the reflective wave method. 理论计算响应与工程桩的反射波法动测结果有较好的相关性。
- Reference value (emission content): Obtain the valu e by any of the following methods. 標準值(排放濃度):由以下測試方法所得量測值。
- It was whispered e by slaves and abolitionists as they Sex lazedtltrab oward freedom. 它在奴隶和废奴主义者中口耳相传,照亮了他们艰辛的自由之路。
- The water level hydrograph of detention basins took as boundary conditions and considered the rainfall loss by S. 由模拟演算结果可看出以滞洪池水位历线作为下游边界条件并以S.
- Methods:The expression of P53 was determined by S P immunohistochemistry technique. 方法:应用S-P免疫组织化学方法检测大肠癌中P53的表达。
- Editd e by Pauline Yu,University of California Press Berdeley los Angeles,California,1994 by The Regents of the university of Californinia. 参见周云龙:;2001年柳永学术会论文.
- The model is verified by s imulation and experimental investigation on a 7.5 kW SRD prototype. 该文所建模型已成功运用于四相SRD系统的多相运行研究,计算结果与试验结果基本吻合,为SRD一体化研究奠定了基础。
- Guided by seismic data, we use logging data to invert lithological parameters and bed thickness exactly by s... 由于迭代过程只需修改波阻抗一个参数即可反演出两个参数,提高了反演速度。
- In the advanced musical teaching, the aim of having harmonics cour se is to make the students understand and grasp music better in art practic e by learning the theory. 高师音乐教学中,开设和声课的目的在于让学生通过学习和掌握这一理论,在艺术实践中更好地认识和把握音乐。
- Sky Tower lifts, Kim Happy batteries, TOM solid tires, by S &P is a forklift, select Morningstar, the use of ease. 公司规格齐全,欢迎新老客户洽谈,选择晨星,使用放心。
- The seeds of inbreed line S37 were carried into outer spac e by satellite in 1994.These seeds were planted in field and self -pollinated for several generations. 利用返回式实验卫星搭载玉米自交系S37的种子,通过遗传交配设计对其后代株系进行农艺性状的配合力分析。
- This instrument can produce not only defined signal in common us e by utilizing important saved data and relevant arithmetic, but also user-defi ned signal. 另外,采用与计算机类似的模块设计方法,使其具有很好的扩展性。
- Pulsed Doppler velocities from left ventricular wall were characterized by S wave, E wave and A wave. A/E and MVG derived from MPD were the most sensitive indices and were superior to TDI and 2|DE for detection of WMA. S波、E波及 A波是左室壁运动脉冲多普勒频谱的三个主要特征性频移成分。
- Methods In order to get Sotalol,benzenamine was acetylated by methylsulfonylchloride and bromoacetylbro mide b y turns,then substituted with isopropylamine by S N1 reaction and reduced in th e end. 方法以苯胺为原料,经甲烷磺酰氯的酰化反应,溴乙酰溴的傅-克酰化反应和异丙胺的分子间亲核取代反应及还原四步合成盐酸索他洛尔。