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一、分析点、线的物理意义 1、相图中的点 (1)组元的熔点 A:fe的熔点;d:fe3C的熔点(计算) (2)同素异构转变点 N: 8-Fe y-Fe; G:y-Fe a-Fe (3)碳在铁中最大溶解度点
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第三节早产儿 早产儿(preterm infant)是指胎龄未满 37周(259天),出 生体重小于2500g, 身长小于47cm的活 产婴儿,又称未成熟 儿
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Calcium in physiology Uptake and translocation Higher plants often contain apprecia ble amounts Ca and generally in the order of about 5-30 mg Ca/g dry matter The high Ca2+ concentrations related with the high Ca2+ levels in media not related with the Ca2+ uptake
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The practice of measuring and keeping records of temperatures is not new to the food industry, and has been undertaken by certain sectors, e.g. canning, for many years. However, its widespread application in the refrigerated food sector, other han fitting temperature measurement equipment to chill stores, is relatively recent. The prime factor focusing attention on temperature monitoring was the concern about food poisoning and the introduction of new legislation covering
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一、定义 血浆脂质和蛋白质组成的一类大分子化合物 脂质:fC,ce,l,G 载脂蛋白:酸性蛋白多于一般蛋白 水溶性物质:功能有运输脂质,参与脂质代谢,参与某些疾病过程
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As we've previously noted, we may often want to describe a structure in various axis systems. This involves... Transformations (Axis, Deflection, Stress, Strain, Elasticity Tensors) e.g., loading axes material principal axis Figure 7.1 Unidirectional Composite with Fibers at an Angle
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1. Which of the following processes must violate the first law of thermodynamics?(There may be more than one answer!) ()W>0, 0, (C)W>0, 0, and AEint0,g>0,andEint<0
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一、填空题(每空1分共22分) 1.流水施工的工期计算公式T=K+T为 公式,TL=t+∑ 的施工进度,实行 进场,以便节省堆场面积
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一、选择题:(单项选择题,将合适的答案填在括号内)(40分) 1.称样量约为0.2g,要求称量相对误差为0.1%,应选用哪种天平。 (A)万分之一的分析天平; (B)十万分之一的微量分析天平; (C)千分之一的工业天平
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The provision of mass media content over next-generation 3G mobile networks is envi- sioned as an exciting new application of new media. This paper focuses on the mobile Internet as strategic challenge for media and entertainment companies. It provides an overview of distinctive features of the mobile Internet related to personalization, time and location sensitivity, uncertainties b echnology push and market pull, and motiva- tions for engagemer
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