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51.
No authorship indicated 《Canadian Metallurgical Quarterly》1993,48(7):789
Lists the officers, boards, committees, and representatives of the American Psychological Association (APA) for 1993, including members of the Council of Representatives and their terms of office as well as APA-affiliated regional, state, provincial, and territorial psychological associations. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
52.
No authorship indicated 《Canadian Metallurgical Quarterly》1992,47(4):479a
The Early Career Awards recognize the large number of excellent young psychologists. Recipients of this award may not have held a PhD for more than nine years. The areas considered in 1991 were animal learning and behavior, developmental, and personality. The winners for 1991 were Kent C. Berridge, Susan A. Gelman, and Randy J. Larsen. For each winner a citation, biography, and selected bibliography of their works are presented. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
53.
No authorship indicated 《Canadian Metallurgical Quarterly》1995,50(12):1081
Acknowledges and thanks a list of American Psychological Association members who contributed to the work of the Committee on Accreditation by serving on site visiting teams and participating in other accreditation activities during the 1994–1995 academic/training year. (0 ref) (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
54.
55.
本文针对辽河东部凹陷油燕沟中生界火山岩的具体特征,采用纵波波速的比值——“龟裂系数”裂缝分析法[1,2,3],研究了火山岩裂隙发育程度。综合龟裂系数裂缝分析及其他方法发现,该区中生界火山岩有效储集层的测井相特征主要表现为低密度、低中子、高声波时差和高伽马值等特征。此法的关键在于根据不同火山岩的岩性,选用合适的岩石骨架参数,在此基础上利用测井约束地震反演计算火山岩的层速度,进而计算出龟裂系数,然后根据已钻至火山岩井孔的测井相特征编制出火山岩预测厚度图。 相似文献
56.
No authorship indicated 《Canadian Metallurgical Quarterly》1985,40(2):221
The APA Membership Committee announces that the 1,838 persons listed here were elected to initial membership in the American Psychological Association as of January 1, 1985. Of these, 1,392 were elected as Members, and 446 as Associate members. Though not all of them have validated their election by payment of initial dues, all but a few will eventually do so. In addition, in accordance with Article II, Section 8, of the Bylaws, 316 Associate members were transferred to Member status as of January 1, 1985. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
57.
云2-平1多台阶变方位水平井钻井液技术 总被引:1,自引:0,他引:1
云2-平1井是位于复杂断块油气田上的一口中曲率半径水平井,水平段长820.86 m,水平段多台阶、方位角变化幅度大(29.6°),井下摩阻大,钻井液的携砂、润滑及防卡能力是该井钻井成功的关键。该井选用有机正电胶-聚合物钻井液体系,用高分子量聚合物胶液进行维护,以提高体系的悬浮携岩及防塌能力,通过加入液体磺化沥青、原油及与之相配伍的固体乳化剂来提高润滑性,配合良好的四级固控设备及时清除有害固相,使钻井液性能稳定且易于调整,增强了泥饼的韧度和强度,完全达到了充分悬浮携带岩屑、润滑防卡、稳定井壁的要求。在钻进过程中仔细观察钻井液的动切力、动塑比、静切力初终值、固相含量、含油量、膨润土含量等性能参数的变化,“细化、超前、配套”是该井钻井液性能稳定、效果良好的主要维护处理经验。下套管、钻杆输送测井顺利,井下摩阻始终小于10 kN,全井安全无事故,仅用45d8 h钻完3200 m的进尺。 相似文献
58.
The flow and fracture behavior of Be-Al alloys were determined in tension with different levels of superimposed pressure.
The Be-Al alloys were prepared by Brush Wellman, Inc. (Cleveland, OH) from prealloyed powders processed to either a hot isostatically
pressed (“hipped”) or cold isostatically pressed and extruded condition. Significant effects of pressure on both the flow
and ductility have been observed at room temperature, with implications on the formability of these materials. The effects
of changes in processing conditions and stress state on the flow and fracture behavior are summarized in addition to both
optical and scanning electron microscopy (SEM) examination of the fracture surfaces. Separate other studies on the alloy constituents
(e.g., Al and Be) are also reported. The results are also compared to previous works on monolithic materials and composites tested
with high pressure. 相似文献
59.
Polyurethane acrylate anionomer (PUAA)/silica composite gels were prepared by the sol‐gel reaction of tetraethoxysilane (TEOS) and methacryloxypropyl trimethoxysilane (MPTS) incorporated to PUAA gels by using a swelling method. The formation and structure of composites were confirmed by FTIR, X‐ray diffraction, and SEM. As a result, we found that silica components in composites are located within the ionic domains of their gels and interacted with PUAA via hydrogen bonding. This drastically enhanced the mechanical properties of the composites. Mechanical properties are also improved by MPTS, because MPTS improves the dispersibility and adhesion of silica components in PUAA/silica composite gels. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 84: 2327–2334, 2002 相似文献
60.
Kyung-Won Lee Eung Soo Kim Hee Cheon No Chul-Hwa Song 《Nuclear Engineering and Design》2006,236(9):1003-1012
We experimentally investigate the de-entrainment of droplets by inertial impaction on an array of vertical rods in an air-droplet mixture flow. The de-entrainment efficiencies are measured for a single rod, for a single row of rods, and for a multi-row of rods. We investigate the effects of the droplet mass flux (0.5–5.4 kg/m2 s), the droplet Weber number (3000–8000), the air velocity (0–6 m/s), the rod geometry, and the surface roughness on the de-entrainment, and the rod diameter-to-pitch ratio effect on the de-entrainment. The results for a single rod show that the de-entrainment efficiency decreases slightly as the droplet mass flux increases; however, in our experimental ranges, there is negligible dependence on the droplet Weber number, the air velocity, and the surface roughness. The rod geometry affects the de-entrainment efficiency. The results for a single row of rods show that the existence of neighboring rods promotes de-entrainment due to droplet splashing, and we develop a correlation to show the effect of diameter-to-pitch ratio on the de-entrainment. Using information on the de-entrainment efficiencies of a single rod and those of a single row of rods, we propose a correlation that predicts the de-entrainment efficiency for a multi-row of rods with a staggered array. The RMS errors of the correlation from the de-entrainment efficiencies experimentally obtained are within 13.5%. 相似文献