瓶级聚酯切片中乙醛含量的控制

对瓶级聚对苯二甲酸乙二酯(PET)原料中的乙醛含量、第三组份(间苯二甲酸)含量、原料比表面积以及工艺参数控制等对产品中乙醛含量的影响进行了讨论，得出了合适的工艺操作条件，并注意到预结晶单元和冷却单元的工艺参数控制对产品乙醛含量的影响最显著，从而为生产乙醛含量小于1．0μg/g的瓶级高粘度PET切片提供了参考。     

DSU与DSU采集链

文章介绍了超精度的新型地震传感器DSU，它由微机电系统(MEMS)和兼有模拟电路和24位△—∑数字电路的混合器件(ASIC)组成，其失真度可达0．0032％，响应频带0～800Hz。DSU采集链使采集站、大线和检波器合为一体，既消除了电磁干扰和道间串音，又提高了采集数据的精度。DSU及DSU采集链的应用将为地震采集技术向超精度发展提供可靠保证。     

六通道瞬态光学高温计

六通道瞬态光学高温计是在可见光和近红外光谱范围内 ,把光源的热辐射取出六个波段进行测量。每个波段信号通过各自的光纤传输、光电倍增管探测和记录仪器记录。系统的时间分辨率小于 30 ns,冲击温度测量范围为 2 30 0～ 90 0 0 K,测量误差小于 5 % ,给出了以碘化钠、硝基甲烷和空气为样品的若干实验结果     

含过期火药粉状工业炸药的研究

文章概要论述了一种新型民用炸药－含过期火药粉状工业炸药在配方、制造工艺等方面所进行的实验研究。结果表明，该炸药性能良好、制造技术安全可靠，值得推广。     

Free vibration of laminated composite plates with a central circular hole

This paper presents finite element results and some experimental data on the free vibration of symmetric laminated composite plates containing a central hole. The varying parameters in the study are the hole sizes, the boundary conditions along the edges of the plate and the aspect ratio of the plate. Hole diameters ranging from 0.1 to 0.9 times the width of the plate and the aspect ratio varying from 1 to 4 were analysed in the numerical study. The other parameters such as the stacking sequence and the lamination materials are kept constant. The stacking sequence and material properties chosen for the study are those typically found in aircraft structural applications. The close correlation between numerical and experimental data provides some confidence in the finite element method used.     

时效处理对 TiNi 合金相变与性能的影响

通过用ＴＥＭ等方法研究热处理制度（固溶处理、时效处理）对ＴｉＮｉ合金相变组织和性能的影响，找出了最佳热处理制度。结果表明，在４５０～５００℃进行时效处理，Ｔｉ－５０．８ａｔ％Ｎｉ的合金出现了大量的Ｔｉ３Ｎｉ４相，且恢复率最高。     

有机纤维材料用软膜乳液阻燃剂的制备

采用甲醛、尿素、三聚氰胺、脒基脲磷酸盐为原料,以硼砂、硼酸、氨水为pH调节剂合成了保护胶;在保护胶存在下,以预乳化的丙烯酸酯混合单体于82-88℃共聚合成乳液,将其涂布于有机纤维材料,干燥后得软膜透明阻燃涂层。用其处理的涤棉布阻燃性能为:损毁长度68mm、续燃时间1s、阴燃时间3s、氧指数62、吸附干量287g/kg,处理的纸板的阻燃性能为:平均炭化长度77mm、平均续焰时间2s、平均续灼燃时间32s、吸附干量283g/kg。     

新型硬及极硬岩石反井镶齿盘型破岩滚刀的研究

对新型硬及极硬岩石反井镶齿盘型破岩滚刀的总体设计方案、CrMnMo空冷耐磨钢调质处理以及力学性能、镶嵌固齿和过盈量的确定等滚刀设计关键技术,进行了分析、试验和研究,并取得了相应的结论。     

In vivo purging with high-dose cytarabine followed by high-dose chemoradiotherapy and reinfusion of unpurged bone marrow for adult acute myelogenous leukemia in first complete remission

PURPOSE: To evaluate in a prospective study the efficacy of autologous bone marrow transplantation (BMT) in adult patients with acute myelogenous leukemia (AML) in first remission, using a single course of high-dose Cytarabine (HD Ara-C) consolidation therapy as in vivo purging. PATIENTS AND METHODS: Sixty consecutive adult patients with AML in first complete remission (CR) were treated with HD Ara-C consolidation therapy as a method of in vivo purging before marrow collection. High-dose therapy consisted of fractionated total-body irradiation (FTBI) 12 Gy, intravenous etoposide 60 mg/kg, and cyclophosphamide 75 mg/kg, followed by reinfusion of cryopreserved marrow. RESULTS: Sixty patients underwent consolidation treatment with HD Ara-C with the intent to treat with autologous BMT. Sixteen patients were unable to proceed to autologous BMT (10 patients relapsed, one died of sepsis, one developed cerebellar toxicity, two had inadequate blood counts, and two refused). Forty-four patients underwent autologous BMT and have a median follow-up time of 37 months (range, 14.7 to 68.7) for patients who are alive with no relapse. The cumulative probability of disease-free survival (DFS) at 24 months in the intent-to-treat group is 49% (95% confidence interval [CI], 37% to 62%) and in those who actually underwent autologous BMT is 61% (95% CI, 46% to 74%). The probability of relapse was 44% (95% CI, 31% to 58%) and 33% (95% CI, 20% to 49%) for the intent-to-treat and autologous BMT patients, respectively. CONCLUSION: This approach offers a relatively high DFS rate to adult patients with AML in first CR. The results of this study are similar to those achieved with allogeneic BMT.