马氏体时效网的时效析出产物

本文采用场离子显微镜原子探针实验技术，对一种马氏体时效钢（Ｆｅ－１８．２％Ｎｉ－８．８％Ｃｏ－２．９％Ｍｏ－０．７％Ｔｉ－０．２％Ｓｉ）的时效析出产物进行了研究。实验研究了该合金在５１０℃时效４ｈ所产生析出物的形貌与成分，发现有两种金属间化合物相（Ｎｉ３Ｔｉ与Ｆｅ７Ｍｏ６型）产生时效强化，在时效组织中还存在有少量回复奥氏体。     

钛—硼和铝—硼处理对抗氢蚀1.25Cr—0.5Mo钢使用性能的影响

对Ａｌ－Ｂ或Ｔｉ－Ｂ处理的１．２５Ｃｒ－０．５Ｍｏ钢的研究结果表明：（１）Ａｌ－Ｂ和Ｔｉ－Ｂ处理明显增加了１．２５Ｃｒ－０．５Ｍｏ的淬透性，强度及塑、韧性；（２）Ａｌ－Ｂ和ＴｉＢ处理均使．２５Ｃｒ－０．５Ｍｏ钢的抗氧性能明显提高，当Ｂ含量相当时，Ｔｉ－Ｂ处理钢的抗氢蚀性能优于Ａｌ－Ｂ处理钢；（３）Ｂ含量较高时，钢的抗氧蚀性能较强，但塑、声望生及回火性能却相对较差，因此，较低含量Ｂ处理更有利于材料综     

超低碳Cr26—Ni28—Mo5—Cu3—Nb0.35铸造不锈钢的组织和耐蚀性能

用金相、透射电子显微镜、电子探针与扫描电镜分析研究得出超低碳Ｃｒ２６－Ｎｉ２８－Ｍｏ５－Ｃｕ３－Ｎｂ０．３５不锈钢铸态组织中含有σ相，经８５０￣１１２０℃热处理均可形成σ相，包括（Ｆｅ－Ｃｒ）σ相，（Ｆｅ－Ｍｏ）σ相和（Ｃｒ－Ｎｉ－Ｓｉ）σ相，８５０℃左右有Ｍ６Ｃ型碳化物和ＮｂＣ析出。该钢经１１５０℃２ｈ水冷固溶处理后，具有优良的耐腐蚀性能。     

回火时间对0．16C－10Ni－14Co－1Cr－1Mo钢和0．23C－12Ni－14Co－3Cr－1Mo钢组织与性能的影响

研究了０．１６Ｃ－１０Ｎｉ－１４Ｃｏ－１Ｃｒ－１Ｍｏ（１６ＮｉＣｏ）钢在５１０℃和０．２３℃－１２Ｎｉ－１４Ｃｏ－３Ｃｒ－１Ｍｏ（２３ＮｉＣｏ）钢在４８２℃回火的组织与性能。随回火时间的延长，强度、硬度的降低主要是由于Ｍ_２Ｃ的粗化及与基体共格性降低所致。Ｍ_２Ｃ的粗化速度２３ＮｉＣｏ钢要小于１６ＮｉＣｏ钢。     

凝固过程钢中氧化物成分对氧化物和硫反应的影响

为了阐明钢在凝固过程中氧化物和硫之间的反应，观察分析了连铸钢氧化物成分对它的影响，结果如下：在低Ａｌ含量钢中（Ａｌ＝０．００５％）观察到ＣａＯ－ＳｉＯ２－Ａｌ２Ｏ３和ＣａＯ－ＳｉＯ２氧化物，在高Ａｌ含量钢中（Ａｌ＝０．０３１％）看到ＣａＯ－Ａｌ２Ｏ３氧化物。ＣａＯ－ＳｉＯ２＿Ａｌ２Ｏ３和ＣａＯ－Ａｌ２Ｏ３氧化物比ＣａＯ－ＳｉＯ２氧化物具有较高的硫含量。氧化物中的Ｓ含量随钢在凝固温度下的液相率和硫容     

CaO—Al2O3—SiO2三元渣对硬线钢的脱氧热力学计算

针对硬线钢,研究了ＣａＯ－Ａｌ２Ｏ３－ＳｉＯ２三元渣系的脱热力学,根据渣－金平衡,计算了１８２３Ｋ下脱氧平衡时的（Ａｌ）,（Ｏ）,ＭｎＯ以及ＦｅｔＯ的等浓度线。     

RE／S值对控轧低碳Mn—Nb—RE钢硫化物成分和形貌的影响

用扫描电测定了含０．０４１％－０．０７６％ＲＥ的低碳Ｍｎ－Ｎｂ－ＲＥ钢中硫化物的成分，大小和形貌。ＲＥ／Ｓ值为２．８－３．０时，钢中的硫化物充分变质。     

铁素体—珠光体钢组织和性能关系

本文对含０．０６５％￣０．２２％Ｃ、０．００２￣０．０２１％Ｓ、０．６￣１．５％Ｍｎ、０．０２￣０．４％Ｓｉ（重量百分数）系列钢（普通Ｃ－Ｍｎ、Ｃ－Ｍｎ－Ａｌ、Ｃ－Ｍｎ－Ｎｂ－Ａｌ钢）进行了研究，大多数此类钢经常化处理，以８００￣４００℃的平均冷却速率在４０￣０．８Ｋｍｉｎ＾－１变化。这相当于１２￣５００ｍｍ厚板在空气中冷却的速率。一些高温奥氏体化处理随后炉冷的钢产生粗铁素体晶粒和粗晶界碳化物。得     

模具钢Cr7Mo3V2Si渗扩氮等温淬火复合强韧化

研究了渗扩氮等温淬火对Ｃｒ７Ｍｏ３Ｖ２Ｓｉ钢硬度，组织，韧性和含氮硬化层扫描断和口形态的影响。结果表明，Ｃｒ７Ｍｏ３Ｖ２Ｓｉ钢制冷作模具复合强韧化处理后的使用寿命提高１倍，且破坏形式得改善。     

40Cr和20Mn2钢一次晶体的高温塑性及动态再结晶

用Ｇｌｅｅｂｌｅ １５００热模拟研究了原位熔化凝固的４０Ｃｒ和２０Ｍｎ２钢的应变速率对热塑性和强度的影响。用扫描电镜（ＳＥＭ）和光学显微镜（ＯＭ）分别观察了试验后试样的断口形貌和断口的附近区域的显微组织。试验结果表明，４０Ｃｒ和２０Ｍｎ２钢在７００－１３００℃温度范围的塑性随着应变速率的增加而提高。     

3. Understanding Organizational Behavior.

Introduces the articles in this section, which relate primarily to what is labeled as organizational behavior or organizational diagnosis, as distinguished from organizational change and development. The editors asked the authors in this section to address several questions: What basic principles of psychology can be detected in the functioning of organizations? How does the observer modify the organization? (Is it possible to observe and diagnose an organization without modifying it?) What is the significance of the labor as a component of any effort to develop a diagnosis of any industrial enterprise? In addition, an article by Richard Walton has been included on the quality of work life movement, because it represents a linkage between the processes of observation, taxonomy, and categorization and the processes of intervention, change, and development. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Nucleosides. 102. Synthesis of some 3'-deoxy-3'-substituted arabinofuranosylpyrimidine nucleosides

The synthesis of some 3'-deoxy-3'-substituted arabinofuranosylcytosine (4a-d) and uracil (7a-d, 8a-d, X =Br, I, N3, SCN) nucleosides was accomplished by treatment of the requisite 2',3'-anhydrolyxofuranosylpyrimidine nucleoside (5,6a,b) with the appropriate ammonium salt in refluxing ethanol. Cleavage of the oxirane ring provided the desired 3'-deoxy-3'-substituted pyrimidine nucleosides (4a-d, 7a-d, and 8a-d). In vitro screening of compounds 4a-d, and 7a-d, with L5178Y cells in culture showed no significant inhibitory properties.     

Deception in 3-year-olds.

Children's ability to deceive was examined in order to determine whether they are able to hide their emotional expression intentionally. Three-year-olds were instructed not to peek at a toy while the experimenter left the room. When asked, the great majority either denied that they peeked or would not answer the question. Facial and bodily activity did not differentiate the deceivers from the truth tellers. Boys were more likely than girls to admit their transgression. These results indicate that very young children have begun to learn how to mask their emotional expressions and support the role of socialization in this process. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

New azole antifungals. 3. Synthesis and antifungal activity of 3-substituted-4(3H)-quinazolinones

A series of 92 azole antifungals containing an amido alcohol unit was synthesized. The nature and substitution of the amide portion was systematically modified in search of improved antifungal activity, especially against filamentous fungi. The compounds were tested in vitro against a variety of clinically important pathogens and in vivo (po) in a murine candidosis model. Thiazole and thiophene carboxamides carrying both a substituted phenyl ring and a small alkyl group were best suited for activity against filamentous fungi. In a subset of these compounds, the amide portion was conformationally locked by means of a pyrimidone ring and it was proven that only an orthogonal orientation of the phenyl ring yields bioactive products. A tendency to display long plasma elimination half-lives was observed in both series. Two compounds, 74 and 107, representative of the open and cyclic amides, respectively, were chosen for further studies, based on their excellent activity in in vivo murine models of candidosis and aspergillosis. This work describes the SARs found within this series. The next paper displays the results obtained in a related series of compounds, the quinazolinones.