首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到19条相似文献,搜索用时 109 毫秒
1.
简单介绍了YB/T 2305—2007《焦化产品试验用玻璃温度计》标准的简要情况及现行焦化产品试验方法标准使用温度计的情况,重点介绍了标准修订的主要技术内容,对企业的使用和执行标准具有一定指导作用。  相似文献   

2.
GB/T2585-2007铁路用热轧钢轨于2008年2月1日正式实施。本文简单介绍了我国重轨工艺装备与使用状况发生的重大变化、标准的沿革和修订背景,重点介绍了标准的主要技术指标的变化,对企业执行标准有指导作用。  相似文献   

3.
环境空气质量标准是评价项目和规划区域周边环境空气质量现状以及其产生的大气环境影响的重要依据。本文介绍了有色行业环境影响评价中重金属污染物的环境空气质量标准的使用情况,分析了标准使用中存在的问题,提出了标准使用的建议。  相似文献   

4.
我国黄金标准物质及标准分析方法进展   总被引:4,自引:2,他引:2  
综述了我国黄金标准物质及标准分析方法。重点介绍了我国已颁发使用的地质、化探、堆浸、黄金首饰、金无损检测系列标准物质和国家黄金标准分析方法以及国家行业标准分析方法。  相似文献   

5.
能源折算标准系数的合理选择   总被引:1,自引:0,他引:1  
详细介绍了能源统计过程中能源折算标准系数的选择种类、使用条件和选择标准,以及在能耗计算分析时,不同的折算标准系数对能耗和节能量计算的影响,为广大能源管理工作者提供了参考和借鉴。  相似文献   

6.
介绍了GB/T 9943-2008《高速工具钢》主要内容,对标准中的不妥之处作了说明,以便各生产厂家和使用单位更全面的理解、贯彻本标准.  相似文献   

7.
金国黄金标准物质及标准分析方法进展   总被引:1,自引:0,他引:1  
吕文广  陈薛孝 《黄金》1999,20(4):43-50
综述了我国黄金标准物质及标准分析方法。重点介绍了我国已颁发使用的地质、化探、堆浸、黄金首饰、金无损检测系列标准物质和国家黄金标准分析方法以及国家行业标准分析方法。  相似文献   

8.
介绍了镍及镍合金目前的产品标准,主要为美标ASME/ASTM以及国标类。相对于美标而言,国标镍合金标准体系繁杂,起草单位涉及有色、黑色金属企业,体系框架交叉重复,各自命名。与之带来的是同样的化学成分在命名牌号和归类上有交叉;同时指出在一些产品标准上对相关检测项目不予明确,含糊其词,这些都给实际应用带来了困难。对此文章从实践使用中介绍了镍合金标准体系使用的要点或惯例,可用于指导实践,同时指出了相关标准应用的建议。  相似文献   

9.
本文介绍了各国不锈弹簧钢丝使用现状,以及我国不锈弹簧钢丝标准的演变和使用状况的变化。着重描述了奥氏体不锈弹簧钢丝的牌号、性能和生产工艺,同时给出了相应的数据,目的是架设一座连接生产和使用的桥梁。  相似文献   

10.
综合论述了耐腐蚀钢的分类和特点,主要介绍了三种耐大气腐蚀钢的定义和使用范围。详细阐述耐大气腐蚀钢国内外标准的发展历程,以GB/T4171-2000高耐候结构钢标准和GB/T18982-2003集装箱用耐腐蚀钢板及钢带标准为例,分析我国耐候钢标准的主要内容和与国外先进标准的对比,以及阐明了耐候钢和集装箱钢板标准的关系。  相似文献   

11.
简要介绍了2008版《优质碳素结构钢热轧钢带》国家标准的修订原则及主要变化,同时对相关原因及背景进行了说明。  相似文献   

12.
Results of 5 studies demonstrated that self-evaluative comparisons have 2 distinct informational consequences with opposing judgmental effects: They selectively increase the accessibility of standard-consistent self-knowledge and provide an evaluative reference point. The first informational consequence produces assimilation in self-evaluative judgments, whereas the latter yields contrast. Using a lexical decision task, Study 1 demonstrated that a social comparison selectively increases the accessibility of standard-consistent self-knowledge. Study 2 showed that this effect also holds for comparisons with objective standards. Studies 3 and 4 revealed that the same comparison may lead to assimilation on objective and contrast on subjective self-judgments. Finally, Study 5 demonstrated that assimilation results for comparisons with relevant and irrelevant standards, whereas contrast occurs only for relevant standards. (PsycINFO Database Record (c) 2010 APA, all rights reserved)  相似文献   

13.
M. P. Crawford's (see record 1970-17677-001) consideration of the social and environmental contributions of military psychology (MP) whitewashes its negative aspects and fails to acknowledge that MP is in conflict with ethical standards governing the role and goals of psychologists. (PsycINFO Database Record (c) 2010 APA, all rights reserved)  相似文献   

14.
介绍了我国金属力学性能试验方法标准采用国际标准的现状 ,提出进一步等效采用国际标准的设想。对等效采用国际标准后的我国标准技术内容变化作了简要说明  相似文献   

15.
Attorneys increasingly challenge the admissibility of expert testimony in domestic violence litigation on the ground that it is "junk science." This article discusses the standards courts apply when determining whether to admit "novel" scientific theory and methodology. It is recommended that psychologists offering testimony that may be subjected to this kind of challenge, critically evaluate the foundation for their opinions in light of the admissibility standards being applied in the pertinent jurisdiction, and that they directly address with the attorneys offering them as witnesses how best to present that foundation to the trial judge in their mutual effort to meet and overcome the junk science challenge. (PsycINFO Database Record (c) 2010 APA, all rights reserved)  相似文献   

16.
介绍了我国金属力学性能试验方法标准采用国际标准的现状,提出进一步等效采用国际标准的设想.对等效采用国际标准后的我国标准技术内容变化作了简要说明.  相似文献   

17.
To help accomplish its assigned mission for the Navy, the Bureau of Naval Personnel must fulfill its functions of "Procurement" of kinds and numbers of personnel, "Training" them to the necessary skill level, the "Distribution" of the right men to the right jobs at the right time, and "Promotion." Essential in all aspects of personnel operations are performance standards. These standards must be continuously adjusted to meet and conform to the changing conditions facing the bureau and the Fleet: changes in weapons and equipment, changes in Fleet operations, changes in quality of personnel input, and time-factor changes. The bureau has an integrated system in operation for establishing, maintaining, and applying up-to-date performance standards for enlisted personnel. Starting with field analysis of the weapons and equipment during their developmental and test phases, the occupational analysis data generated are used to phase equipment into the existing occupational classification system of the Navy. The specific performance requirements, after being codified, are then used as a basis for the preparation of study and training materials. The attainment of the requisite performance standards is then given official recognition by the promotion process. (PsycINFO Database Record (c) 2010 APA, all rights reserved)  相似文献   

18.
A new sheath flow microelectrospray interface combines capillary electrophoretic separation of protein standards with condensation particle counting detection. Protein separations are performed in both coated and uncoated fused-silica columns. The electrospray needle utilizes a sheath flow rate between 0 and a few microL/min. Typically, the makeup flow is equal to or less than the electroosmotic flow from the separation capillary; thus there is minimal dilution while still providing pH adjustment and solid electrical contact with the separation capillary. While there are some inherent restrictions to a condensation particle counting detector, the microelectrospray needle performs well and has direct application to electrospray mass spectrometry.  相似文献   

19.
王晓霞 《包钢科技》2006,32(6):62-64
由于新会计准则比原会计准则和会计制度有很多新变化,执行新会计准则后对企业财务状况、经营成果将会产生重大影响.文章主要分析论述了对企业经营成果的影响.  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号