软岩复杂条件下交岔点的联合支护技术

介绍了软岩地质条件下,平煤股份六矿二水平-440大巷为软岩巷道,围岩松散破碎,围岩主要以泥岩、沙质泥岩为主,在对巷道围岩强度、支护机理进行了深入的分析,找出了巷道支护的薄弱部位,采用锚、网、喷+注浆+砂浆锚索联合支护技术的应用情况。     

Hospital cost and length of stay in idiopathic pulmonary fibrosis

Objective: To provide a detailed picture of the economic impact of hospitalization in idiopathic pulmonary fibrosis (IPF) and to identify factors associated with cost and length of stay (LOS).

Methods: In this retrospective cross-sectional study using the Nationwide Inpatient Sample (NIS), this study included hospitalizations for IPF (ICD-9-CM 516.3) with a principal diagnosis of respiratory disease (ICD-9-CM 460-519) from 2009–2011; lung transplant admissions were excluded. Total inpatient cost, LOS, in-hospital death, and discharge disposition were reported. Linear regression models were used to determine variables predictive of LOS and cost.

Results: From 2009–2011, 22,350 non-transplant IPF patients with a principal diagnosis of respiratory disease were admitted: mean (±SE) age was 70.0 (0.32), and 49.1% were female. While in hospital, 11.4% of patients received mechanical ventilation and 8.9% received non-invasive ventilation. Mean (±SE) LOS was 7.4 (0.15) days overall (p?Limitations: The positive predictive value of the algorithm used to identify IPF is not optimal. The NIS database does not follow patients longitudinally, and claims after admission are not available. Claims do not indicate whether listed diagnoses were present on admission or developed during hospitalization. The exclusion of transplant-related expenditures lead to under-estimation of cost.

Conclusion: Using a nationally-representative database, we found IPF respiratory-related hospitalizations represent a significant economic burden with ～7,000 non-transplant IPF admissions per year, at a mean cost of $16,000 per admission. Mechanical ventilation is associated with statistically significant increases in LOS and cost. Therapeutic advances that reduce rates and costs of IPF hospitalizations are needed.     

静电旋风除尘器结构对其性能影响的研究

静电旋风除尘器是在常规旋风除尘器的基础上添加高压静电场,以提高其除尘性能的一种新型除尘装置。相对常规旋风除尘器而言,它充分发挥了静电分离和旋风离心分离的综合作用,既能够有效提高除尘器的总除尘效率,也能够显著提高对于微米级和亚微米级颗粒物的分级效率。本文通过实验分析了电压、排气管长度等因素对性能的影响。     

根据光的衍射测量头发的直径

本文利用光的波动性，对不透明的线状物体进行衍射，证实与单缝衍射花纹相同，并测出激光器波长，进而又测出易变形的细微物体－头发丝的直径。本实验仪器简单，成本低廉，可为一般大学增添一个光实实验，使学生对光的波动性有进一步认识，对实验过程的设计、仪器安装及理论和误差分析也是一次很好的训练。     

女装前后片原型对位方法的探讨

以日本文化式女装原型为例，分析前后片原型对位与前长、胸省量大小等因素的关系，从而确定出前后片原型的对位范围，并在此基础上，根据不同的服装类型选择正确的对位方法。     

“时间总长假设”对广告媒体策划的启示

认知心理学中的“时间总长假设”（Total Time Hypothesis）认为,人们掌握（主要指记忆）一定的信息所需要的时间是基本固定的。当总的时间长度固定时,对于这段时间的分配方式并不影响记忆的效果。本文对这个假设在广告行业中的应用进行了论证。文中所分析的数据采集于对美国观众在2002、2003和2006年进行的有关“超级碗”球赛广告的电话访谈。研究结果显示,当广告的时间总长固定时,广告重复的次数对广告的传播效果没有显著影响,从而印证了时间总长假设。文章对如何在广告媒体策划中应用这一结论也进行了相应的讨论。     

Relationship Quality and Performance Outcomes: Achieving a Sustainable Competitive Advantage

As firms strive to develop a sustainable competitive advantage, the relationships formed among supply chain parties become a critical consideration. Firms seek to establish relationships that can provide the desired level of performance and competitiveness. Relationship quality provides a global measure of buyer–supplier relationships and can be used to assess the types of relationships a firm has within its supply chain. This research examines the impact of relationship quality on supply chain operational performance and satisfaction with strategic performance while considering both buyer and supplier perspectives and collaborative and arm’s length types of relationships.     

资本弱化税制的比较分析及对我国的启示

本文对正常交易法和固定比例法两种规制资本弱化税制进行了比较研究后认为,正常交易法由于依据个案进行判断,因而精确和公正,但却以牺牲法律效率为前提;固定比例法虽然具有任意性和不精确性的特点,但其提高了企业的预见性,节约了税务机关的行政成本和纳税人的奉行成本,具有法律的效率优势。而后,分析了构造固定比例法四个要素。在此基础上,对我国目前资本弱化税制现状进行了分析,并提出了完善的方向。