金属材料室温拉伸能力验证结果分析评价

叙述了江苏省金属材料试验室的能力验证过程及结果,表明能力验证可以充分地了解和验证各检测机构的常规检测技术水平,对检测机构的内部质量控制及管理有促进作用。     

武钢理化实验室通过国家级现场评审

近日 ,武钢公司技术中心理化实验室和质检中心 9个试验室先后通过了中国实验室认可委员会专家组的现场评审与认可 ,从而实现了武钢矿石原材料等的理化检验与国际接轨。武钢技术中心理化实验室担负着武钢钢铁生产的离线检测任务 ,并承接境内外客户的委托检验和仲裁试验。武钢质检中心 9个试验室 ,担负着钢铁在线检测任务 ,并承接境内外客户的委托检验和仲裁试验。实验室认可是我国政府对检测机构检测能力进行正式评价和承认 ,即权威性认可。一旦通过 ,其实验室检测能力和检验结果的权威性即获得国家的正式承认。由于我国已与英、美、法等 40…     

理化检测数据的多元回归分析

结合韶钢实际情况,开发了理化检测数据多元回归分析计算机应用程序.此程序可定量分析钢材机械性能与化学成分之间的关系,为质量管理者提供了一种有力的质量分析工具.     

计算机在理化检测数据管理中的应用

大量的检测数据用计算机进行管理,不仅能快速方便地运用数理统计方法分析各种质量控制数据,使理化检测数据得到更充分的利用,并能随时掌握各种质量动态,了解检测进度,便于调度管理。     

浅谈建筑施工工程的质量管理与控制

建筑施工工程的质量管理与控制是施工管理的重要组成部分,其对统筹建设施工全过程、优化建筑施工管理以及推动建筑企业技术进步有着非常的作用.然而,由于多方面的原因,使得我国当前的建筑施工中,对于工程的质量管理和控制力度较弱,从而使得建筑工程质量问题时有发生.本文首先分析了质量管理与控制在建筑工程中的重要性,进而探讨了其质量管理与控制的主要措施,希望能给相关工作人员带来一定的借鉴意义.     

冷镦钢性能试验研究

在青钢冷镦钢三次试制的过程中,中心试验室课题组对冷镦钢的理化指标进行了系统分析,认为产品的表面质量差、组织结构不良、夹杂物级别偏高是现阶段导致冷镦钢冷镦开裂的主要原因,并在此基础上提出了产品的质量改进建议。     

回转窑轻烧白云石质量的在线检测与控制

针对回转窑轻烧白云石,传统离线质量检验控制工艺,手段陈旧落后、不科学合理,检测结果严重滞后,不能及时有效地指导生产的现状.经科学地分析论证,突破传统的理化成分离线分析模式,创新性地利用耐热电子吊钩称,研制成功了简单、快速、实用的质量在线智能检测控制系统.实现了对产品质量在生产线的实时检测,及对生产的有效控制,从而实现了高产、优质、高效的要求.     

宝钢试验室信息管理系统在生产现场中的应用

通过对宝钢试验室信息管理系统(LIMS)的系统结构，信息发送、存储、管理功能的剖析，突出试验室信息管理系统在宝钢各个生产流程中对产品的质量判定、生产计划制定起的重要作用。     

检测质量控制的研究

邯钢技术中心以ISO/IEC17025：2005《检测和校准实验室能力认可准则》为依据,建立了一整套完善的检测质量控制体系,对理化检验的全过程进行质量控制,首次应用了SPC统计技术对仪器的运行状态进行监控,通过对仪器和标准样品的期间核查来保证分析结果的可靠性。     

理化检测数据的多元回归分析

结合韶钢实际情况，开发了理化检测数据多元回归分析计算机应用程序。此程序可定量分析钢材机械性能与化学成分之间的关系，为质量管理者提供了一种有力的质量分析工具。     

Voices of fear and anxiety and sadness and depression: The effects of speech rate and loudness on fear and anxiety and sadness and depression.

Two studies investigated the role of expressive vocal behavior (specifically, speech rate and loudness) in fear and anxiety and in sadness and depression. In the 1st study, participants spoke about personally experienced fear and anxiety-arousing and neutral events using 3 different voice styles: fast and loud, normal, and slow and soft. In the 2nd study, participants spoke about personally experienced sad or depressing and neutral events using the same 3 voice styles. In both studies, the participants' highest levels of subjective affective and cardiovascular (CV) arousal occurred when they spoke about the emotional events in a mood-congruent voice style: fast and loud in the case of fear and anxiety, and slow and soft in the case of sadness or depression. Mood-incongruent voice styles canceled the heightened levels of CV arousal normally associated with these negative emotions. The voice-style manipulation had no significant effect on the participants' levels of CV arousal during the neutral discussions. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Synthesis and analysis of mixed chlorinated-fluorinated dibenzo-p-dioxins and dibenzofurans and assessment of formation and occurrence of the fluorinated and chlorinated-fluorinated dibenzo-p-dioxins and dibenzofurans

Despite the use of multimodal therapy, higher-grade glioma is still uniformly fatal in the adult population. There is a considerable difference between the length of survival in each given patient, even within the same tumor type and malignancy grade group, suggesting that there are factors that might differentially influence outcome. To identify such factors, 107 patients with anaplastic or malignant glioma were retrospectively investigated. Clinical parameters and paraclinical data on the p53, mdm2, and EGFR genes at the DNA or protein level were evaluated by univariate analysis and Cox proportional hazards regression modeling. Kaplan-Meier survival estimation demonstrated that immunohistochemical positivity for mdm2 protein in patients with anaplastic astrocytoma or with glioblastoma multiforme was associated with a shorter survival time (p = 0.02). P53 gene mutations and immunopositivity for the epidermal growth factor receptor (EGFR) protein were not significantly related to poor prognosis. The Cox proportional hazards model revealed immunohistochemical positivity for p53, mdm2, or for both of them, the presence of postoperative irradiation, and the extent of surgical resection of tumor to be variables significantly associated with prolonged survival. EGFR overexpression, age over 60 years, and Karnofsky performance score below 40 points did not significantly shorten survival time. In conclusion, the present study identified immunohistochemically detected mdm2-protein overexpression as a statistically significant negative prognostic parameter in patients bearing anaplastic or malignant glioma. Association analysis of variables revealed a possible correlation between mdm2 and p53, which is also consistent with the biological interaction mode of both proteins in vivo.     

Sexuality and aging--usual and successful

BACKGROUND: As aging research increasingly reflects an effort to dissociate true time-driven changes from those that can be improved, sexuality in later life remains largely unexplored. Several problems are evident. There is a lack of normative data, a lack of a conceptual framework relating to the biology, psychology, and sociology of sex, and an attitudinal resistance that obscures the entire topic. METHODS: We conducted a three-part instructional series on major topics involved with sexuality and aging. We surveyed our group of attendees (n 158, average age 68 for males, 65 for females) before and after the series. RESULTS: A remarkably robust sex life was evidenced by both the men and the women, even until advanced old age. Yet, a substantially decreased involvement was reported from 10 years earlier. Despite current activities, people of both sexes wished they were participating even more than they currently were. Impotency was identified as the major negative feature for the men; relationship problems were for the women. A questionnaire 6 months after the series reported improved sexual attitudes, but no change in sexual activities from the earlier survey. CONCLUSION: Sexuality is a major quality-of-life issue which persists into old age. Our study showed that the usual sexual practices reported by our group were not considered by them to be ideal. The intervention of this instructional series provided improved sexual attitudes but not performance. Additional studies are encouraged.     

Spondylolysis and spondylolisthesis and sports

Spondylolysis and spondylolisthesis occur predominantly in the lower lumbar spine. Besides congenital defects such as predisposition of spondylolysis the correlation between competitive sports activities and an increased incidence of spondylolysis is proved. In early stages, complete healing can be achieved by conservative treatment (abstinence from sports activities for 3 months, orthesis). Persistence of pain, neurologic symptoms and progression of vertebral slipping are indications for operative treatment (reconstruction of the isthmus, dorso-ventral spondylodesis). The exercise tolerance depends on the extent of instability, progression of vertebral slipping and clinical symptoms. The limits of exercise tolerance vary among the individual athletes and require the decision of the physician. Backstroke swimming, abdominal and back muscle strengthening exercises, and types of sport involving smooth movements are advisable. Sports education in school is possible without restriction in patients with stable spondylolysis and in those with spondylolisthesis without unfavourable concomitant factors.     

Larks and owls and health, wealth, and wisdom

OBJECTIVE: To test the validity of Benjamin Franklin's maxim "early to bed and early to rise makes a man healthy, wealthy, and wise." DESIGN: Cross sectional analysis of sleeping patterns in a nationally representative group of elderly people, and longitudinal investigation of mortality. SETTING: Eight areas in Britain (five in England, two in Scotland, and one in Wales). SUBJECTS: 1229 men and women aged 65 and over who in 1973-4 had taken part in a survey funded by the Department of Health and Social Security and for whom data on sleeping patterns, health, socioeconomic circumstances, and cognitive function had been recorded. MAIN OUTCOME MEASURES: Self reported income, access to a car, standard of accommodation, performance on a test of cognitive function, state of health and mortality during 23 years of follow up. RESULTS: 356 people (29%) were defined as larks (to bed before 11 pm and up before 8 am) and 318 (26%) were defined as owls (to bed at or after 11 pm and up at or after 8 am). There was no indication that larks were richer than those with other sleeping patterns. On the contrary, owls had the largest mean income and were more likely to have access to a car. There was also no evidence that larks were superior to those with other sleeping patterns with regard to their cognitive performance or their state of health. Both larks and owls had a slightly reduced risk of death compared with the rest of the study sample, but this was accounted for by the fact that they spent less time in bed at night. In the study sample as a whole, longer periods of time in bed were associated with increased mortality. After adjustment for age, sex, the presence of illness, and other risk factors, people who spent 12 or more hours in bed had a relative risk of death of 1.7 (1.2 to 2.5) compared with those who were in bed for 9 hours. The lowest risk occurred in people who spent 8 hours in bed (adjusted relative risk 0.8; 0.7 to 1.0). CONCLUSION: These findings do not support Franklin's claim. A "late to bed and late to rise" lifestyle does not seem to lead to socioeconomic, cognitive, or health disadvantage, but a longer time spent in bed may be associated with increased mortality.     

深云立交桥梁检测及加固改造

根据深云立交桥梁的检测结果，对该桥目前的整体状况、工作状态，及其使用情况做出综合评价，对桥的病害原因进行了分析，并提出合理的加固方案。     

关于摩尔浓度及其与硬度转换关系问题的讨论

众所周知，国际单位制物质的量采用摩尔(mol)表示，近几年出版的给排水专业书籍，为了与国际单位制接轨，逐渐将摩尔的使用频率不断提高，被给排水技术人员广泛应用的新版给排水设计手册，将表示物质浓度的单位“当量／升”或“毫克当量／升”．改为mol／l或mmol／l，虽然编者对其基本单元定义作了说明，但在实际运用上仍会出现误解，     

《儿子与情人》的语码转换与男女二元对立

劳伦斯小说《儿子与情人》一个鲜明的语言特色就是标准英语和当地方言频繁的语码转换。莫瑞尔用方言来对抗妻子,而妻子坚持用标准英语,偶尔也用方言来讽刺、挖苦丈夫。语码转换反映了劳伦斯男女二元对立的哲学思想。     

抗腐蚀高强耐磨涂料研发与应用

介绍了抗腐蚀高强度耐磨涂料的研制和开发，以及用作柳钢球团回转烘干机刮板保护涂层的应用效果。