我国科学资源分配过程中的问题及其对策研究

科学资源分配对于一个国家科学研究活动的整体效率和科学创新能力提高都起着尤为关键的作用。本文在我国建设创新型国家这一背景下,从资源投入及分布状态、宏观管理结构、投入方式及机制、微观管理机制四个层面认真反思了我国现有科学资源分配体系的现状及所存在的问题,并就如何解决现有科学资源分配体系所存在问题提出了对策建议,以期对我国科学资源分配体系的未来发展路径提出新的思考和建议

A Research on Sales Tactic of Company V under New Market Environment

中国造纸工业经过十几年的高速发展，纸和纸板的产量已经超越美国成为全球第一，与之同时我国造纸也出现了产大于销的局面，造纸企业之间的竞争不断激烈，造纸企业的吨纸利润不断下降。“十八大”后，我国政府对环境保护的要求越来越严格，淘汰落后产能的力度不断加大，造纸行业受到巨大的冲击。造纸设备市场也随着中国造纸行业的变化而受到影响，以V公司为代表的全球一流的造纸设备供应商为中国的造纸行业装备技术现代化提供了最先进的设备和技术，V公司纸机项目业务主要是专注于高端市场，而在高端市场的竞争对手只有一家。由于互联网及移动智能终端的发展导致文化纸的消费量急剧下降，白卡纸也出现产能过剩，以文化纸机和白卡纸机为代表的高端...After over ten years high speed development of Chinese paper industry, China already becomes top one in the world regarding total paper production capacity. Meanwhile, China also confronted over capacity of paper production, the competition between paper makers is increasingly severe and the specific paper profit is dramatically lower. Since “18th CPC National Congress”, China government implement...学位：工商管理硕士院系专业：管理学院_工商管理硕士(工商管理硕士)学号：1792013115067

Detection on Proper Wearing of Seat Belt Based on Infrared Mark Vision

针对安全带佩戴规范性仍未引起充分重视的现实问题,借助具有红外敏感表面涂层标记的三点式安全带,基于标记视觉和图像处理技术提出一种安全带佩戴规范性的; 集成检测方法:利用增强现实技术快速识别定位安全带标记,在此基础上分别设计数量阈值算法、模糊聚类阈值算法、曲线拟合松弛度算法和肩部外轮廓交点定位算; 法,用以进行安全带是否佩戴和佩戴形式、松紧程度、高低位置是否规范等4种判断,从而实现安全带是否规范佩戴的检测目标。实验结果表明,在各种成像条件和; 图像背景干扰下,对应上述4种判断的识别准确率分别为95.4%, 93.1%,; 79.5%和85.3%,而安全带佩戴规范性的综合识别准确率达89.5%,验证了所提出算法的准确性、有效性和适应能力。In view of the problem that whether seat belt is properly used or not; haven't yet attracted sufficient attention,an integrated detection; method of the proper use of seat belt is proposed by means of the; three-point safety belt with infrared-ray-sensitive coat marks and based; on mark vision and image processing technologies: Augmented reality; technology is used to rapidly identify and locate the marks on seat; belt,based on which the algorithms of number threshold,fuzzy clustering; threshold,curve fitting relaxation and shoulder profile intersection; locating are developed respectively to conduct four judgments of weather; seat belt is used or not,the wearing forms of seat belt, belt tightness; and belt height,and hence achieve the detection goal of the proper use; of seat belt. Experiment results show that under various image forming; conditions and image background interferences,the identification; accuracies of the algorithms used corresponding to above mentioned four; judgments are 95.4%,93.1%,79.5% and 85.3% respectively with an overall; identification accuracy of 89.5%,verifying the correctness,effectiveness; and adaptability of the algorithms proposed.国家自然科学基金; 福建省自然科学基

Study on Corrosion Resistance of Zr-0.8Sn-1Nb-0.3Fe Alloy after Kr~+ Ion Irradiation

采用高压釜腐蚀实验研究了2种不同制备工艺下的Zr-0.8Sn-1Nb-0.3Fe合金(1#,2#)经360℃、5~25; dpa的Kr~+辐照后、在400℃/10.3 MPa过热蒸汽中的耐腐蚀性能,用透射电子显微镜(TEM)、扫描电镜(SEM)、; X射线衍射仪(XRD)分析合金腐蚀后氧化膜显微组织结构。结果表明,100; d腐蚀后,合金的腐蚀增重随着辐照剂量的增加而增加,由于1#合金中的第二相比2#合金更为细小、弥散,相同辐照剂量下,前者的腐蚀增重较低。腐蚀转折前; ,从蒸汽腐蚀侧到锆合金基体,氧化膜中的氧含量逐渐降低,靠近蒸汽侧的氧化膜主要由等轴晶形态的单斜ZrO_2组成,而基体界面处的氧化膜主要为柱状晶形; 态的四方ZrO_2和六方Zr_3O;腐蚀转折后,基体界面处的氧化膜呈"花菜"状生长,"花菜"尺寸大小与氧化膜生长速率的高低及不均匀生长趋势的大小; 呈对应关系。The corrosion resistance of Zr-0.8Sn-1Nb-0.3Fe alloys prepared by two; different processes was investigated in 400℃/18.6MPa superheated steam; by static autoclave after irradiated by 360℃ with Kr~+-irradiation of; 5~25 dpa. The microstructures of oxidation film after corrosion were; analyzed by TEM, SEM, and XRD. The results showed that the corrosion; weight-gain increased with the irradiation dose, while the weight-gain; of 1# alloy with smaller and more dispersive SPPs than 2# alloy was; lower under the same irradiation dose. Before corrosion turning, the; oxygen content in the oxidation film decreased from the steam-side to; the zirconium matrix. The oxidation film beside the steam-side was; mainly composed by equiaxied monoclinic ZrO_2 crystal, while near the; film/matrix interface by columnar quartet ZrO_2 crystal and hexagonal; Zr_3O crystal. After transition of corrosion weight, the film near the; interface grew like cauliflowers, and the size of cauliflowers were; corresponded to the growth rate and uneven growth trend of oxidation; film

Energy Saving Route Finding Mechanism in Underwater Acoustic Sensor Networks

提出了水声传感网中能量有效的路由方案.结合水声信道的特点对水下传感网中的能耗因素进行分析,得出给定源宿节点之间的距离时路径消耗总能量与中继节点数的关系.对定向扩散协议进行改进,在初始化阶段根据汇聚节点和邻居节点的地理信息,求出源节点到目的节点的理想的最优能量路径.仿真结果证明,该方案能减少洪泛,只需选择1条较优路径,有效地节省了能量.An energy-efficient routing scheme is presented for underwater acoustic sensor networks(UW-ASN).Firstly,the factors affecting energy consumption in UW-ASN are analyzed in light of underwater channels,the relationship between numbers of relay nodes and energy consumption is obtained for given source-destination distance.The directed diffusion routing scheme is modified in the initial diffusion phase to find the optimal route based on the geographic information between a sink node and its neighboring nodes.Simulation shows that the proposed scheme can reduce the flooding cost,select an energy-efficient route,and save more energy.国家自然科学基金项目(60672046);集美大学优秀青年骨干教师基金项目(2008B002

PES1上调ERα/ERβ蛋白比率促进甲状腺乳头状癌细胞增殖和侵袭迁移

目的研究PES1通过上调ERα/ERβ蛋白比率促进甲状腺乳头状癌（PTC）细胞增殖和侵袭转移的分子机制。方法用免疫组化法检测PES1、ERα和ERβ在正常甲状腺组织以及PTC组织中的表达情况；用Western blot法分别检测正常甲状腺细胞株Nthy-ori3-1和PTC细胞株BCPAP和K1中PES1、ERα 和 ERβ的表达情况，以及PES1过表达、PES1下调时对Nthy-ori3-1细胞和BCPAP细胞中ERα、ERβ蛋白表达比率的影响；用MTT以及Transwell小室法检测PES1、ERα和ERβ对PTC细胞增殖、侵袭和迁移的影响。结果在PTC组织中PES1和ERα蛋白表达水平显著高于对应的癌旁正常组织，而ERβ蛋白的表达水平明显低于对应的癌旁正常组织；随着PTC患者恶性程度的逐渐增加，PES1和ERα蛋白水平逐渐升高，ERβ蛋白水平逐渐降低，肿瘤大、有ETE、有LNM、高BRAFV600E表达和高TNM分期（III-IV）的PTC患者有较高的PES1和ERα蛋白表达，而ERβ蛋白表达较低；在Nthy-ori3-1细胞中ERα/ERβ蛋白比率显著小于1（≈0.43），而在BCPAP和K1细胞中ERα/ERβ蛋白比率显著大于1（≈2.25，≈2.82），PES1蛋白表达水平与ERα/ERβ蛋白比率呈正相关；PES1过表达使Nthy-ori3-1细胞中ERα/ERβ蛋白比率明显增大（≈2.54）；PES1下调使BCPAP细胞中ERα/ERβ蛋白比率明显降低（≈0.41）；PES1下调使PTC细胞增殖、侵袭和迁移能力明显减弱，PES1过表达使PTC细胞增殖、侵袭和迁移能力显著增强。结论ERα和ERβ在人PTC组织和细胞中共表达，PES1可调节ERα和ERβ之间的平衡，PES1通过升高ERα蛋白水平，同时降低ERβ蛋白水平，进而上调ERα/ERβ蛋白比率，促进PTC细胞的增殖和侵袭迁移

Heat Transfer of Channel Type Wheel Heat Exchanger under Frosting Condition

Formation of frost on the surface of exhaust outlets causes the performance degradation of channel type wheel fresh air ventilators when operating under low ambient temperature in winter. In this study, a detailed model for the channel type wheel heat exchangers under frosting condition was established, including a frosting sub-model and a channel type wheel heat exchanger sub- model. Analysis on the heat transfer characteristics of a frosted channel type wheel heat exchanger was performed under different ambient conditions. In addition, the intervals of defrosting were obtained under different operating conditions. The computing results are in agreement with the experimental data