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- For a disubstituted complex, MA4B2, the planar arrangement gives three isomers, the familiar ortho, meta, and para arrangements of organic chemistry. 对于双取代络合物MA4B2,其平面排列有三个异构体,常见的为有机化学中的邻位、间位和对位排列。
- Bioconcentration potentials were determined for nitrobenzene,2,4-and 2,6-dinitrotoluene,and 3 nitrochlorobenzenes (ortho,meta and para) using the algae (S. 测定了硝基苯、2,4-二硝基甲苯、2,6-二硝基甲苯及硝基氯苯(邻、间、对)在绿藻体内富集及释放趋势。
- Moreover, we incorporated different functional groups on ortho and meta positions of benzothiazole in order to understand the electronic effect on the metal complexation. 我们在配基设计上引入不同取代基，除了研究电子效应的影响外，更希望可成功得到单晶以进行更深入的研究。
- Octane and para tetramethyl benzene were served as the solvent for dissolving sample and internal standard,respectively. 正辛烷和对四甲基苯分别用作样品的溶剂和内标物,采用内标法定量。
- We build various dispersion relations for temporal,convective and absolute instability analysis from both liquid and gas phase conservation of mass and momentum. There are two modes of solutions:para sinuous and para varicose. 根据液体、气体的质量和动量守恒，推导出了Tem poral、Convective 和Absolute 不稳定雾化模型的各种特性方程，其解具有二种形式：para－sinuous和para－varicose。
- In present opinion, there are at least two independent sites associated with definitive hematopoiesis, those are, yolk sac and para aortic splanchnopleura (PAS)/aorta gonad mesonephros(AGM). 目前认为 ,至少有两个独立的部位与永久造血有关 ,即卵黄囊和胚内的PAS/AGM区。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- She and I can't live under the same roof. 她和我不能住在一起。
- She had to scrimp and save to pay for her holiday. 她不得不为付假期的费用而苦苦攒钱。
- I'll try and rustle you up something to eat. 我设法给你弄点吃的。
- He sprang up and rushed to the door. 他跳起身，跑到门口。
- He took sick and died a week later. 他得了病，一周后就死去了。
- He's been in and out of prison for years. 他多年来屡次进出监狱。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The child was tired and fretful. 那孩子又疲倦又烦躁不安。
- Routine office work is my bread and butter. 日常的办公室工作是我的谋生之道。
- Language teaching is both a science and art. 语文教学既是一门科学又是一种艺术。
- The old man stared the uninvited guest up and down. 老人把不速之客上下打量了一番。
- Reading and writing are different skills. 阅读与写作是不同的技能。
