Negative-weight cycles Recall: If a graph G=(V, E) contains a negative weight cycle then some shortest paths may not exist

1945年美 Calvin国的等人利用单细胞小球藻作 为实验材料,应用14C示踪技术和双向纸层析法,经 过十年的研究揭示了光合作用暗反应阶段碳素同化及 受体再生的循环途径,因此称为卡尔文循环( Calvin -Benson cycle) 由于途径中的最初产物是三碳化合物(3-磷酸甘 油酸),故也称作C3途径

一、简要解释下列名词概念(每项3分,共30分) 1. nucleosome, chromosome, genome 2.exon, intron, splicesome 3. mRNA, rRNA, tRNA 4. cDNA, CpG island 5. transposon, retrotransposon 6. cell cycle, cyclin

3.1 Common feature of spontaneous change 3.2 The second law of thermodynamics 3.3 Carnot cycle and Carnot principle 3.4 Definition of entropy 3.5 Clausius inequality ; principle of increase of entropy 3.6 Calculate the change of entropy 3.7 Statistical view of entropy 3.8 Helmholtz function and Gibbs function 3.9 Direction of change and conditions in equilibrium 3.10 Calculate of G 3.11 Relations of thermodynamic functions 3.12 Clapeyron equation 3.13 The third law and conventional entropy

The Strategies in The Product Life Cycle Introduction Stage. High price ow promotion High promotion

Obiectives Understand the systems view of project management Explain the four general phases in the project life cycle Explain the differences among functional, matrix, and project organizational structures

Task Team of FUNDAMENTAL ACCOUntING hool of Business, Sun Y at-sen University L Note Lesson 5 Completing the Accounting Cycle Learning objectives Describe and prepare a worksheet and describe its usefulness 2. Describe the closing process and explain why temporary accounts are closed

动力循环研究目的和分类 动力循环:工质连续不断地将从高温热源取得的热量的一部分转换成对外的净功

第十章 国民收入决定理论 主要涉及三个问题： 一、简单的国民收入决定模型 二、IS–LM模型 三、总需求——总供给模型 第十一章 失业与通货膨胀 一、失业理论 二、通货膨胀理论 三、失业与通货膨胀的关系 第十三章 经济增长理论 三大经济增长模型 ◼哈罗德—多马经济增长模型 ◼新古典经济增长模型 ◼新剑桥经济增长模型

Biological Features Structure and chemical composition Developmental cycle Staining properties Antigens Growth and metabolism Characteristics of host-parasite- relationship Classification