自然循环式太阳能热水器系统工程的设计施工

从集热器的阵列及定位安装，水箱和管道的设计与施工，玻璃的安装与系统的调试及辅助能源的利用等方面阐述了集体型自然循环式太阳能热水器系统工程的设计施工要点。     

风/光复合发电系统变结构仿真建模研究

提出了风／光复合发电系统（WSHPS）变结构仿真的一般数学模型，包括系统结构定义、系统各部件数学模型。在此基础上，在C＋＋ Builder环境下开发了相应的仿真软件。运用该软件，对一实例进行了计算。结果表明：利用该文提出的变结构仿真数学模型及相应仿真软件，用户可以重构多种结构的风／光复合发电系统并进行计算机仿真计算，从而能够预测系统的性能，如，太阳电池阵列功率、风力发电机功率、与负载功率之间的匹配性，控制策略的合理性，以及系统运行的效率等等。     

Ciliated fibroblasts and smooth muscle cells in the rat uterus

Summary Ciliation in endometrial fibroblasts and myometrial muscle cells of the rat was examined by transmission electron microscopy. Quantification of the number of ciliated cells during the estrus cycle did not show any firm relationship between cilation and ovarian hormonal activity. In the case of most cilia, there is a spatial relationship between their basal centrioles and the Golgi complex, so that a Golgi-cilium complex is created. A possible role of ciliation in uterine fibroblasts and smooth muscle cells is discussed.     

Evidence for the presence of virus in clonal insulin-producing RINm5F cells

Summary The ultrastructural morphology of the clonal insulin-producing cell line, RINm5F, was investigated. Virus-like particles, probably C type viruses, were identified both intra- and extracellularly. Because these particles could not be found in the original transplantable tumor, it is probable that viruses were induced at some later stage in the development of the RINm5F cell line. All investigators using the RINm5F cells should be aware of the fact that these cells may contain one or several types of viruses, and of the possibility that these particles may interfere with a variety of cellular functions.This work was supported by grants from the Lake County Medical Center Developmental Agency (to VH and PWB) and the American Heart Association, Indiana Affiliate (to PWB,^*USA) and by the Swedish Medical Research Council (12X-562), the Swedish Diabetes Association, the Nordic Insulin Foundation and Åke Wibergs Foundation (^**Sweden). Per-Olof Berggren is a recipient of a postdoctoral fellowship from the Swedish Medical Research Council.     

异质面GaAs太阳电池n层少子产生寿命的测量

使用简单的微分电流和微分电容技术，从反向偏置的Ｉ－Ｖ和Ｃ－Ｖ数据计算异质面ｐｐｎ ＧａＡｓ电池ｎ层少子产生寿命部面图，讨论它对电池性能的影响。     

V－79中国仓鼠细胞的放射生物学THINDOWN效应

细胞辐射损伤的径迹结构模型给出了Ｖ－７９中国仓鼠细胞的重离子失活截面与实验相符合的结果，井明显地表现出“径迹宽度区”所特有的ｔｈｉｎｄｏｗｎ现象，计算用的放射灵敏参数是由存活曲线得到的，径向剂量分布用数值积分方法计算。本文的结果与不考虑δ射线发射角的径向剂量分布公式相比，有较大改进，重离子失活戳面与实验符合得更好。     

Principles of neural cell migration

Summary A basic property of immature neurons is their ability to change position from the place of their final mitotic division in proliferative centers of the developing brain to the specific positions they will occupy in a given structure of the adult nervous system. Proper acquisition of neuron position, attained through the process of active migration, ultimately affects a cell's morphology, synaptic connectivity and function. Although various classes of neurons may use different molecular cues to guide their migration to distant structures, a surface-mediated interaction between neighboring cells is considered essential for all types of migration. Disturbance of this cell-cell interaction may be important in several congenital and/or acquired brain abnormalities. The present article considers the basic mechanisms and principles of neuronal cell migration in the mammalian central nervous system.     

干细胞技术进展

干细胞技术是人类后基因组计划的一部分。随着这一技术的科研和应用的快速发展,人们开始认识到这一技术的具大诱惑。本文对干细胞的概念、种类、技术原理、进行了概括,对干细胞技术应用领域、发展前景等进行了研究。     

5～20MeV高能质子辐照对空间实用GaAs/Ge太阳电池性能的影响

用能量为5～20MeV,注量为1×109～7×1013cm-2的高能质子对空间实用GaAs/Ge太阳电池进行辐照,得到了其性能随质子能量和注量的变化关系,并对变化关系进行了能损模拟分析.结果表明:注量低于1×109cm-2的质子辐照不会引起太阳电池性能的变化;当注量增加为3×1012cm-2时,5,10,20MeV质子辐照引起的太阳电池性能参数Isc的衰降变化分别是原值的80%,86%,90%;Voc的衰降变化分别为原值的82%,85%,88%; Pmax的衰降变化分别为原值的60%,64%,67%.当辐照注量为5×1013cm-2时,5,10,20MeV质子辐照引起的Pmax衰降变化分别为原值的26%,30%,36%.即随着注量的增加,太阳电池性能衰降增大;且相同注量的辐照,质子能量愈高,太阳电池性能衰降愈小.     

Development of the CAS-LIBB single-particlemicrobeam for localizedirradiation of living cells

The use of microirradiation techniques in radiationbiology dates back to the work of Zirkle and his col-leagues in 1950’s[1,2]. However, biological effects of arandom single particle traversal in living materials re-mained highly unknown since they could not be simulatedby conventional broad-field radiation exposures. In recentyears, there has been a resurgence of interest in sin-gle-particle/single-cell microbeams[3—12]. The biologicalinterest in the single-particle microbeam stems from the…