A Study on Order Delivery Date Optimization in Company D

近年来，随着电脑代工生产的日益普及，电脑制造业竞争日趋激烈，不同品牌的电脑产品在配置、价格、质量、售后服务等方面的差异化逐渐缩小，客户对产品交货时间的敏感度增强，交货时间已然成为客户选择电脑供应商的重要衡量指标。为了争夺客户资源，电脑制造商通过强化自身的供应链管理体系以期缩短交货周期，增大供货时间的弹性。在此背景下，如何做好交货时间的设定和管理，一方面可以反映出电脑制造商的运作管理水准，另一方面对客户满意度的提升、公司未来业务发展乃至整个电脑市场业务格局的打造都关系重大。 本文通过案例研究的方式，以按订单生产的电脑制造商D公司为实例，从探讨D公司订单交货时间设置相关业务的现状入手，揭示交货时...In recent years, OEM model has been very popular in PC manufacturing, accompanying with critical competition environment, the differences among PC brands is smaller and smaller on product design, price, quality and service, while customer is more sensitive on delivery lead time. Delivery date is one of the most important factors for customer to make decision on PC brands. PC companies refer to sho...学位：工商管理硕士院系专业：管理学院_工商管理硕士(MBA)学号：1792009115085

The analysis on the countermeasure of development of China's bill market

票据市场作为配置资金最有效、反映资金价格最灵敏的短期金融市场之一，是货币市场的重要组成部分，也是现代金融制度得以发展完善的重要条件。发达、完善的票据市场将有利于拓宽我国企业融资渠道，降低金融体系风险，建立健全社会信用制度，完善中央银行货币政策传导机制。我国现代票据市场在80年代开始发育，经历了恢复、逐步规范、快速发展几个阶段。到2004年末，我国已签发的未到期商业汇票余额达1.5万亿元，票据贴现余额达1.02万亿元，在我国企业融资体系中已占据了重要地位。但与发达国家相比，我国票据市场仍然存在交易品种单一、缺乏全国统一的票据市场和专业性的票据专营机构，社会信用环境建设滞后、法制不完善等问题。本文...The bill market is one part of short term money market in vital capital matching, and responding to the most sensitive. It is not only a vital part in the monetary market, but an import condition in the perfect development of the financing system also. The bill market in flourishing and perfectly might improve the financing method for the small and medium enterprise, decrease the financing system...学位：经济学硕士院系专业：经济学院财政金融系_金融学(含保险学)学号：20011204

Synthesis of Aromatic Amines by Pd / C Catalytic Hydrogenation Aromatic Nitro-compounds

以5%Pd/C为催化剂,芳香族硝基化合物在温和条件(30℃,H2/0.1 MPa)下还原成芳胺。研究了芳环上的取代基对催化加氢反应的影响。结果表明:对位取代的芳硝基化合物的加氢反应速率为:H>CH3>CO2CH3>CF3>F>OCH3;间位取代芳硝基化合物加氢反应速率为:H>CH3>CF3>F>CO2CH3>OCH3>CN;邻位取代芳硝基化合物加氢反应速率为:H>CF3>CH3>OCH3>F>CO2CH3>CN

醇溶型无机锌车间底漆的电化学行为研究

使用电化学方法对2种不同的醇溶型无机锌车间底漆进行了研究,结合浸泡以及盐雾的实验结果,发现2种车间底漆中锌含量对阴极保护时效有影响,但不是决定车间底漆防锈能力的唯一因素,锌含量与防锈颜料对于车间底漆的防锈性能有协同效果。其中,锌粉在早期提供阴极保护的作用,而防锈颜料在后期对基底提供防锈保护。对于锌粉含量相对较高的车间底漆,锌粉并不是从一开始就全部参加阴极保护作用,而是一部分具有激活潜力的锌粉在另一部分锌粉率先反应之后才由\"未激活状态\"转变为\"激活状态\"进而提供阴极保护的作用

Hydrogen Production by Chromatium vinosum with Fermentation Waste Produced by Klebsiella oxytoca

研究了酒色着色菌(Chromatiumvinosum DSM185)利用产酸克雷伯氏菌(Klebsiellaoxytoca HP1)发酵产氢废液进行光发酵和暗发酵产氢的可行性,以达到对产氢底物的充分利用和对产氢废液的进一步处理。研究结果表明C.vinosum可以利用K.oxytoca的发酵废液进行光发酵产氢和暗发酵产氢。C.vinosum发酵产氢后废液中残余还原糖和主要有机酸(丁酸)的含量明显降低,发酵产氢的最佳pH为6.5,添加0.1%(W/W)NH4Cl能促进产氢。在光照条件下丁酸利用率可达54.38%,产氢量达36.97mL/mg;在黑暗条件下丁酸利用率可达36.01%,产氢量达37.50mL/mg。Photosynthetic bacteria(PSB) showed great promise in biohydrogen production. Chromatium vinosum was able to utilize the fermentation waste of Klebsiella oxytoca for both photo-fermentative and dark-fermentative hydrogen production. The content of residual sugars and main organic acids decreased obviously after hydrogen production by C.vinosum. The maximal hydrogen production of C.vinosum was obtained at pH 6.5 adding extra 0.1%(W/W) NH_4Cl. Under photo-fermentative conditions, the content of butyric acid decreased by 54.38%, and the maximal hydrogen yield was 36.97 mL/mg cell. Under dark-fermentative conditions, the content of butyric acid decreased by 36.1% and the maximal hydrogen production was achieved as 37.50 mL/mg cell.国家863计划项目(No.2006AA05Z111);; 福建省科技项目(No.2006H0091);; 厦门大学创新项目(No.2002xjkt033)

肝豆状核变性分子生物学研究

【目的】探讨中国人肝豆状核变性(WD)的分子发病机制和基因诊断的方法。【方法】应用基因工程技术对WD 进行了10 年的分子生物学研究。【结果】①WD 的基因定位研究:通过RFLP 及微卫星多态性分析, 应用两位点及多位点连 锁软件, 建立了中国人WD 基因在D13q14 .2 -3区域的精细遗传连锁图谱, 从而首次对中国人WD 基因进行了精确定位;②WD 基因突变研究:应用PCR-SSCP 及DNA 测序技术, 对39 个家系45 名WD 患者进行该致病基因的21 个外显子突变筛选, 发现 WD 基因5 号外显子存在新的T 插入突变, 并证实中国人WD 基因的突变热点为8 号外显子, 突变形式为Arg778Leu, 其频率 为22.8 %;③WD 的症状前诊断和杂合子检出:应用DNA 重组技术对79 个家系进行基因诊断, 成功地进行了WD 的症状前 诊断和杂合子检出, 并建立了WD 的基因筛选的PC R- Msp 1 酶切方法。【结论】中国人WD 基因定位与白种人基本相同, 但 基因突变热点不同, 其发病机制存在差异, 从而基因诊断的方法也不同

Experimental Study of the Abalone Shell on Cataract induced by Oxidative Stress

目的研究石决明提取物对体外培养的晶状体氧化应激性白内障形成的作用及机制。方法离体培养小鼠晶状体,应用不同浓度的石决明提取物预孵育晶状体24h后,加入1mm过氧化氢,继续培养3小时后恢复正常培养,72小时后观察小鼠晶状体混浊程度,测定晶状体组织培养液中的乳酸脱氢酶(LDH)含量,晶状体组织中还原型谷胱甘肽(GSH)含量及超氧化物歧化酶(SOD)活力。结果石决明提取物在1~2 mg/ml浓度范围内减轻氧化应激造成的晶状体混浊,减少晶状体LDH的释放,提高组织内GSH含量和SOD活力。结论石决明提取物可减轻氧化应激白内障的形成,其作用主要与石决明提取物提高内源性抗氧化系统有关。Objective To study the effect of the abalone shell extract on oxidative stress induced cataract formation and its mechanism in cultured mouse lens in vitro. Methods The cultured mouse lens were pretreated with the abalone shell extract in different concentrations for24 hours,and then 1mm hydrogen peroxide was added and continued incubating for 3 hours,and they were changed to normal culture media.After 72 hours,the opacity of each lens was observed under an anatomical microscope,the content of lactate dehydrogenase( LDH)leakages,the content of the reduced glutathione( GSH) and activity of superoxide dismutase( SOD) in lens tissue were assayed. Results Abalone shell extract in the concentration range of 1 ~ 2 mg / ml reduced the lens opacity caused by oxidative stress,alleviated the release of LDH,and increased GSH content and SOD activity in cultured lens. Conclusion Abalone shell extract can alleviate the oxidative stress induced cataract formation,and this effect is mainly related to its improvement of the endogenous antioxidant system in lens.2012年福建省卫生厅中医药科研专项课题(No.WST201210);; 2013年福建省卫生厅中医药科研专项课题(No.wzhw201302);; 2014年厦门市科技局科技惠民项目课题(No.3502Z20144030

Influence of symmetric benzene-polycarboxylate acids on the structures of silver-aminopyrimidyl derivative system

通讯作者地址: Huang, RB (通讯作者), Xiamen Univ, Dept Chem, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China 地址: 1. Xiamen Univ, Dept Chem, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China 2. Xiamen Univ, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China 电子邮件地址: [email protected] novel coordination polymers, [Ag(BTC)(1/3)(ADMP)](n) (1), [Ag(BDC)(1/2)(ADMP)](n) (2) (2-amino-4,6-dimethylpyrimidine = ADMP; H3BTC = 1,3,5-benzenetricarboxylic acid; H2BDC = 1,4-benzenedicarboxylic acid), have been synthesized under the ammoniacal conditions and structurally characterized. In complex 1, H3BTC ligand showing a new coordination mode links silver atoms to generate a two-dimensional (2-D) honeycomb-like structure, which is further linked through ADMP ligands to produce a complicated three-dimensional (3-D) framework. Complex 2 features a 2-D infinite layer framework consisting of binuclear silver clusters, which is further stacked via intermolecular C-methyl-H center dot center dot center dot pi it short contacts and Van der Waals interactions to form a 3-D supramolecular architecture. (C) 2009 Elsevier B.V. All rights reserved.National Natural Science Foundation of China 20721001 MSTC 2007CB81530

海面微波散射与风生波短波谱

从海面微波散射的物理机制出发，在短波平衡范围条件下，讨论了风生波短波谱形式，通过对不同波段的微波散射数据分析，建立起能适应相当宽微波波段（０．４２８－３４．４ＧＨｚ）的海面微波散射模型。文中对若干波段的微波散射系数进行了试算，并与实测资料进行了比较，结果是令人满意的