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1.脊髓 E.皮质脊髓前束 A.在成人,下端平齐第2腰椎下缘
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SOLUTIONS TO TEXT PROBLEMS 19.1 (b) The four carbon atoms of crotonic acid form continuous chain. Because there is a double bond between C-2 and C-3, crotonic acid is one of the stereoisomers of 2-butenoic acid. The chem
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SOLUTIONS TO TEXT PROBLEMS 24.(b) A benzyl group(C., CH2) is ortho to the phenolic hydroxyl group in o-benzylphenol. OH CH2C.Hs (c)Naphthalene is numbered as shown. 3-Nitro-I-naphth has a hydroxyl group at C-1 and a nitro group
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The triacylglycerol shown in text Figure 26.2a, with an oleyl group at C-2 of the glycerol unit and two ste earyl groups at C-I and C-3, yields stearic and oleic acids in a 2 I molar ratio on hydrolysis. A constitutionally isomeric structure in which the oleyl group is attached to C-1 of glycerol would yield the same hydrolysis products
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Palpitation may be defined as an awareness of the beating of the heart, an awareness most commonly brought about by a change in the heart's rhythm or rate or by an augmentation of its contractility
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5.在一密闭容器中,储有A、B、C三种理 想气体,处于平衡状态.A种气体的分子数 密度为n1,它产生的压强为p1,B种气体 的分子数密度为2n1,C种气体的分子数密 度为3n1,则混合气体的压强p为 (A)3p1(B)4p1 (C)5 pl D) pl
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3.同温度、同物质的量的H2和He两种气体,它们的() A、分子的平均动能相等; B、分子的平均平动动能相等; C、总动能相等; D、内能相等
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I Greetings IL. Review: Review the new words and phases of Unit One II Start the new lesson 1. Introduction: You are about to read an early exchange between a daughter and her parents. You will find how they think about the same things very differently. You will also hear how they miss connecting with or understanding each other. It is as if they are blind to
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FOUR COLONY MODELS (2) Model of New England (Puritan 1620 in Massachusetts Bay) ↓ Followed the doctrine of John Calvin (everyone had a calling given by God; read the Bible to find God's will and search for one's individual contact with God
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一、公式的导出 设将[abn等分,步长为h,求积节点为:xk=a+kh,(k=0,1,,n)由此构造插值型的求积公式,则其求积系数为
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