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Computer technologies have been changing the environment of engineering design-enabling MDO Hardware: Advances in processor speed, memory and storage Software: Powerful disciplinary analysis and simulation programs(e.g. Nastran, Fluent...)
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Restriction enzymes are extensively used in molecular biology. Below are the recognition sites of two of these enzymes, BamHI and Bcll. a)BamHI, cleaves after the first G: 5'GGATCC 3 3 CCTAGG5 Does cleavage by BamHI result in a 5' or 3 overhang? What is the sequence of this overhang?
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The milks of all mammals contain lipids but the concentration varies widely between species from c. 2% to greater than 50%(Table 3. 1). The principal function of dietary lipids is to serve as a source of energy for the neonate and the fat content in milk largely reflects the energy requirements of the species, e.g. land animals indigenous to cold environments and marine
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Problem 1. An undirected graph G has width w if the vertices can be arranged in a se- quence V1,2,3,…,Vn such that each vertex v; is joined by an edge to at most w preceding vertices. (Vertex vj precedes if i.) Use induction to prove that every graph with width at most w is (w+1)-colorable
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KEY: GRAMMAR 1-5 CABAC 6-10 ADBAC 11-15 ACBAB 16-20 CACCD 21-25 BDABC 26-30 DCBCA 31-35 CCDAB 36-40 DABAC
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Key to practice exercise I. GRAMMAR 1.C 2.A在 hope,Ibet结构后的that-分句中可使用一般现在时表示将来的动作。如: bet it rains tomorrow. 3.B.主句中若有 require, demand, suggest insist order, prefer, propose recommend, request等动词,其后的that分句中应使用be型虚拟式,即动次原形或 should+动词原形
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GRAMMAR Directions: There are 80 sentences in this exercise. Beneath each sentence there are four choices. Choose the one word or phrase that you think best completes the sentence
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assets An asset is a commodity that provides a flow of services over time. +E.g. a house, or a computer. .A financial asset provides a flow of money over time -a security
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1路面不平度的功率谱通常把相对基准平面 的高度q,沿着道路走向长度的变化q()称为 道路纵(断面)曲线或不平度函数。 根据测量的路面不平度随机数据,在计算机 上处理得到路面不平度功率谱G(n)或方
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Example: HIV-1 DNA vaccine delivered with boosters to elevate Ab titers2: Mechanical and electrical devices that can provide digitized release typically require larger devices and surgical implantation(e.g. Pharm. Res. 1, 237(1984); also have high cost
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