浅析我国有色金属材料军用标准体系

有色金属材料作为武器装备和国防建设的基础材料和战略物资,广泛应用于航空、航天、兵器、舰船等领域,本文通过构建我国有色金属材料军用标准体系框架,将相互联系、相互作用的有色金属材料军用标准分类整合,以提升标准化水平,适应军用标准化工作的新要求。     

最新发布冶金行业标准

军用冶金行业标准最新发布冶金行业标准     

基于应用视角的冶金行业安全生产标准体系构建

总结了国内冶金行业安全生产标准体系现有研究成果,分析了现有标准体系存在问题,在明确本文标准体系编制原则、设计思路、编制依据基础上,从应用的视角提出了冶金行业安全生产标准体系框架。     

动态与简讯

标准及标准化书籍出版工作1冶金行业标准出版经发改委批准发布了黑色冶金行业标准30项,按照《行业标准管理办法》规定,及时将30项行业标准委托冶金工业出版社出版,满足使用需求。2编辑、发行了《冶金标准调整信息及现行冶金标准修改单汇编》根据冶金企事业单位从事标准化工作新人较多,对冶金标准变化信息积累较少等情况,钢协从标准化工作更好地服务于行业的结构调整、促进国家贸易发展、提高企事业单位管理水平的角度出发,组织出版了《冶金标准调整信息及现行冶金标准修改单汇编》,本书中收集了十几年来冶金行业国、行标废止的文件、国标转…     

陕西省机械工程学会粉末冶金分会召开粉末及制品性能检测座谈会

1982年5月21日至23日,在宝鸡有色金属研究所,召开了《陕西省机械工程学会粉末冶金分会粉末及制品性能检测座谈会》。来自本省航空、兵器、机械、冶金和教育等部门粉末冶金行业10个单位的36名代表出席了会议。     

冶金标准样品管理办法

第一章 总则 第一条 冶金标准样品主要用于校准测量仪器、评价和验证测试方法,确保冶金产品质量参数在全国范围内测量的一致性。为了加强对冶金标准样品(亦称冶金标准物质或冶金实物标准,下同)的行业管理,保证冶金标准样品的质量,协调供需总量平衡,依据《国家实物标准管理办法》和《标准物质管理办法》,制定本办法。     

建立健全冶金行业资源节约与综合利用标准体系推动节能减排工作构建和谐社会

冶金行业通过制修订先进合理的标准,建立了行业节能减排标准体系,促进了行业的结构调整,推动了行业可持续发展.     

关于冶金化学分析用标准物质均匀性保证分析

近年来,我国经济水平在快速发展中,同时也推动了我国冶金行业的发展进程。开展化学分析的工作能有效优化到冶金生产的工艺,从而降低到冶金行业在生产过程中所造成的环境污染。为此文章对冶金化学分析用标准物质均匀性保证进行了讲解,为我国冶金行业分析工作的顺利开展提供到帮助。     

坚持改革 强化管理 面向市场 推动冶金标准样品工作再上新台阶

冶金标准样品是一种特殊产品，是一种实物标准．对冶金产品的生产、产品质量的提高起着特别重要和不可缺少的作用。冶金标准样品的工作是冶金标准化工作的重要组成部分，与文字标准工作同样重要。l冶全标准样品工作取得较好成效1．1坚持冶金标准样品工作的改革冶金标准样品在品种牌号上占全国的标准样品的一半以上，数量就更多一些，估计国内市场每年要消耗冶金标准样品15000kg以上。在冶金产品质量的日常检验、生产、贸易、贯彻社会法规与保障人民生活质量方面都具有重大作用和社会效益。因此，冶金行业在致力于冶金产品文字标准改革的同时…     

冶金行业书网同步的专业媒体——《冶金信息导刊》杂志

导刊简介： 《冶金信息导报》杂志于1964年创刊，中国钢铁工业协会主管，冶金工业信息标准研究院主办的冶金行业最具影响力、权威性、综合类、指导性刊物；四十多年来在发展冶金信息事业起到了积极促进作用，为冶金行业信息沟通做出了卓越的贡献；并且连续三届6年被评为冶金系统优秀刊物。本刊注重黑色冶金、有色冶金及金属加工行业的历史、现状及未来的发展趋势报道：密切关注国内外最新科研成果、新设备、新工艺、新产品和钢厂新动态信息等；是广大读者获得冶金行业信息必不可少的重要途径。     

Standards of weight and height for Ayrshire, brown Swiss, and milking shorthorn heifers

To develop a modern appraisal of growth for Ayrshire, Brown Swiss, and Milking Shorthorn dairy heifers, data on heart girth and height at withers were collected from 1279 Ayrshire heifers (33 herds), 1819 Brown Swiss heifers (46 herds), and 565 Milking Shorthorn heifers (20 herds), ages 1 to 25 mo, in herds located throughout the US. Means and standard deviations were determined for height and heart girth for each month of age. Third-order regressions on age were fitted to the means to describe height and heart girth. Estimated mean height and heart girth at 6, 12, 18, and 24 mo, in centimeters, were for Ayrshire 98.7 and 118.4, 114.4 and 145.9, 122.8 and 163.2, and 127.6 and 176.4; for Brown Swiss 102.6 and 122.3, 199.4 and 151.3, 128.7 and 168.8, and 134.0 and 182.0; and for milking Shorthorn 98.0 and 119.4, 113.6 and 148.6, 122.6 and 166.6, and 127.7 and 179.9, respectively. These data can be useful to evaluate the heifer rearing program with respect to the growth rates of heifers on an individual farm.     

钢铁企业智慧能源管控系统开发与实践

 能源管控系统是国家工信部推出的节能减排先进适用技术之一,也是企业实现能源精细化管理的重要措施。综述了钢铁企业能源管控系统的现状和存在的问题,并对未来发展进行了展望。针对能源管控系统核心功能展开进一步分析,从基础能源管理到能效分析与评价、能源供需预测与优化分配、多能源介质耦合优化调度及辅助决策,以及碳排放分析等核心功能,旨在推进中国钢铁工业能源管控系统的进一步完善,促进智能化、绿色化发展,更好地发挥能源精细化管理作用,为企业节能减排做出更大贡献。     

我国钛及钛合金板材标准化现状

主要回顾了我国钛及钛合金板材标准化历程,重点介绍了本世纪钛板材国标体系的重要变化及完善情况,并与国外先进标准进行了对比,提出了进一步完善和发展我国钛板材标准体系的发展思路、改进意见和建议。     

The utility of high-resolution magnetic resonance imaging in the evaluation of the triangular fibrocartilage complex of the wrist

This work offers an anthropological analysis of intra-household processes underlying gender- and age-specific differences in individual nutritional and health care allocations and outcomes in particular cultures. Based on recent ethnographic studies in India, Nepal, Madagascar, Mexico, and Peru, correspondences are analyzed between local cultural ("emic") and scientist-policy maker practitioner ("etic") understandings of nutrition, health, and human development, and the relative "values" of females, males, and children of different ages. The data and analyses clarify specific epidemiological and demographic findings on age and gender bias in nutrition and health and highlight the multiple cultural, economic, and biological factors that contribute to gender- or age-based discrimination or neglect. Recent advances in nutrition policy have argued for a broader concept of nutritional security, one that incorporates both food quantity and quality, and of nutrition as "food, health and care" (International Conference on Nutrition, World Declaration and Plan of Action for Nutrition, FAO/WHO, Rome, 1992). These ethnographic findings; lend strong support for such broader nutrition concepts and associated nutrition policies. The studies also suggest ways in which anthropological questions, methods, and data and community-based research can help predict or identify the nutritionally vulnerable within households and help other social and medical scientists design more effective interventions.     

钢铁制造流程炼铁区段耗散结构的解析

为了研究钢铁制造流程耗散结构的本质及其特征,以高炉炼铁区段为对象,研究解析了多工序协同动态运行条件下的耗散结构优化问题.由料场、焦化、烧结、球团、高炉等工序所组成的炼铁区段,不仅是钢铁制造流程中重要的物质/能源转换中心,也是全流程动态有序、协同连续运行的关键和基础环节.炼铁区段的物理本质是铁素物质流在碳素能量流的驱动和...     

钢铁工业节能减排的历史重任

重点研究了我国钢铁工业节能减排的目标,钢铁工业能耗、污染物排放的现状,我国钢铁工业与国际先进水平的差距及原因,钢铁企业联合重组取得的新进展,主动减排二氧化碳、二氧化硫气体及我国钢铁工业未来的发展方向.     

天铁科技成果管理工作实践

论述了科技成果管理的内容和意义,结合企业实际介绍了天铁科技管理的制度、体系及实施效果。通过科技创新体系和成果管理制度建设,“十一五”期间促进了科技成果的开发和转化,有多个项目分别列人天津市技术创新重点为项目、天津市二十项重点项目,推动了企业持续快速发展。     

Girlfriend, boyfriend: Age and sex differences in intimate friendship.

Investigated changes in intimate friendship with same- and opposite-sex friends in preadolescence and adolescence, using the Intimacy Scale. Ss were Israeli children from the 5th, 7th, 9th, and 11th grades (60 boys and 60 girls from each grade), who rated their friendship with a same- or opposite-sex best friend. There was a significant age difference in overall intimacy with same-sex friends. Frankness and spontaneity, knowing and sensitivity, attachment, exclusiveness, and giving and sharing were factors that changed with age. Trust and loyalty, and taking and imposing did not. Opposite-sex friendship revealed a significant increase in intimacy with age. Boys and girls did not differ in reported opposite-sex friendship in the 5th and 7th grades, whereas girls in the 9th and 11th grades reported higher intimacy than did boys. This sex-by-age pattern of interaction was particularly evident for attachment and for trust and loyalty. Girls were higher in knowing and sensitivity, giving and sharing, and taking and imposing. The implications for further differentiation among types of peer relations and interrelation of dyadic friendship and cognitive growth are discussed. (42 ref) (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Paraplane analysis from precordial three-dimensional echocardiographic data sets for rapid and accurate quantification of left ventricular volume and function: a comparison with magnetic resonance imaging

OBJECTIVES: Three-dimensional echocardiography (3DE) calculates left ventricular volumes (LVV) and ejection fraction (EF) without geometric assumptions, but prolonged analysis time limits its routine use. This study was designed to validate a modified 3DE method for rapid and accurate LVV and EF calculation compared with magnetic resonance imaging (MRI). METHODS: Forty subjects included 15 normal volunteers (group A) and 25 patients with segmental wall motion abnormalities and global hypokinesis caused by ischemic heart disease (group B) who underwent 3DE with precordial rotational acquisition technique (2-degree interval with electrocardiographic and respiratory gating) and MRI at 0.5 T, electrocardiogram (ECG)-triggered multislice multiphase T1-weighted fast field echo. End-diastolic and end-systolic LVV and EF were calculated from both techniques with Simpson's rule by manual endocardial tracing of equidistant parallel left ventricular short-axis slices. Slicing from the 3DE data sets were done by both 2.9-mm slice thickness (method 3DE-A) and by 8 equidistant short-axis slices (method 3DE-B); for MRI analysis, 9-mm slice thickness was used. RESULTS: Analysis time required for manual endocardial tracing of end-diastolic and end-systolic short-axis slices was 10 minutes for the 3DE-B method compared with 40 minutes by the 3DE-A method. For all 40 subjects the mean +/- SD of end-diastolic LVV (mL) were 181 +/- 76, 179 +/- 73, and 182 +/- 76; for end-systolic LVV (mL), 120 +/- 76, 120 +/- 75, and 122 +/- 77; and for EF (%), 39 +/- 18, 38 +/- 18, and 38 +/- 18 for MRI, 3DE-A, and 3DE-B methods, respectively. The differences between 3DE-A and 3DE-B with MRI for calculating end-diastolic and end-systolic LVV and EF were not significant for the whole group of subjects as well as for the subgroups. The 3DE-B method had excellent correlation and close limits of agreement with MRI for calculating end-diastolic and end-systolic LVV and EF: r = 0.98 (-1.3 +/- 26.6), 0.99 (-1.6 +/- 21. 2), and 0.99 (0.2 +/- 5.2), respectively. The correlation between 3DE-A and MRI were r = 0.97, 0.98, and 0.98, and the limits of agreement were -1.4 +/- 36, -0.6 +/- 26, and 0.6 +/- 8 for calculating end-diastolic and end-systolic LVV and EF, respectively. In addition, excellent correlation and close limits of agreement between 3DE-A and 3DE-B with MRI for LVV and EF calculation was also found for the subgroups. Intraobserver and interobserver variability (SEE) of MRI for calculating end-diastolic and end-systolic LVV and EF were 6.3, 4.7, and 2.1; and 13.6, 11.5, and 4.7; respectively, whereas that for 3DE-B were 3.1, 4.4, and 2.2; and 6.2, 3.8, and 3. 6; respectively. Comparable observer variability was also found for the A and B subgroups. CONCLUSIONS: The 3DE-A and 3DE-B methods have excellent correlation and close limits of agreement with MRI for calculating LVV and EF in both normal subjects and cardiac patients. The 3DE-B method by paraplane analysis with 8 equidistant short-axis slices has observer variability similar to MRI and reduces the 3DE analysis time to 10 minutes, therefore offering a rapid, reproducible, and accurate method for LVV and EF calculation.     

某复杂难选铅锌氧化矿综合利用项目节能分析

针对氧化矿矿石储量大、品位低、矿石性质复杂、难以选别的特点,介绍了某复杂难选铅锌氧化矿综合利用项目的工艺方案、主要生产指标,提出了各项节能措施,分析了项目的用能总量及主要用能工序,并对项目的能效水平进行了分析.通过开发和采用效率高、节能效果好的工艺流程、设备,并做好建筑、给排水、供配电、通风除尘等辅助和附属设施的节能,...