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AIM: To isolate bioactive secondary metabolites from the fruits of Schisandra rebriflora Rehd. et. Wils and study their effects on HIV-1 infectivity. METHODS: Inhibition of syncytia formation, HIV-1 reverse transcriptase and protease, protection of HIV-1 infected cells, level of HIV-1 p24 antigen,blockage of fusion were detected. RESULTS: A lignan compound, named rubrifloralignan A, was first isolated as a natural product with modest inhibition effects on syncytium formation and HIV- 1 replication and could protect HIV-1 infected cells with weak inhibition effects on fusion and RT, but it showed no effects on the replication of HIV-1 chronic H9 and PR. CONCLUSION: Rubrifloralignan A is an efficient anti-HIV-1 product with effect on early stage of HIV-1 replication.

目的：从红花五味子果实中寻找活性代谢产物，研究其抗HIV—1活性和作用机制方法：通过合胞体抑制、HIV-1感染细胞保护、HIV—1p24抗原测定、融合阻断、逆转录酶和蛋白酶活性分析等实验，检测分离化合物的抗HIV—1活性并探讨其作用机制一结果：红花五味子甲素能够抑制病毒诱导的合胞体形成，保护病毒感染细胞，抑制病毒在细胞内的复制对HIV-1感染细胞与正常CD4^＋细胞间的融合，逆转录酶活性有一定的抑制作用但是红花五味子甲素不抑制病毒在慢性感染细胞中的复制，也不抑制蛋白酶的活性、结论：首次从天然产物中分离得到红花五味子甲素，它对HIV—1病毒复制早期具有抑制作用

The results show that the dynamic change of water resources in the Heihe River Basin is mainly reflected by three aspects, i.e., the formation, utilization and disappearance of runoff respectively, the runoff formation area accounting only for 10% of total area of the Heihe River Basin plays a dominant role in the dynamic change of water resources in the whole basin and affects the capabilities of take-in and send-out, conservation, evapotranspiration and conversion of water resources.

研究表明，本区水资源动态变化主要在径流形成、利用和消失三个区域内具有依次性体现的特征。其中占总流域面积10%左右的河川径流形成区，对全流域的水资源动态变化具有先决性作用，并在各个区域水动态变化体现上又受到系统对水的吞吐、留存、蒸散和转化能力大小的影响。

The results show that under the condition of the experiments, the high KOH concentration is benefit to the formation of soluble niobate, but the high temperature is favor of the formation of insoluble niobate, and the insoluble tantalate is the sole leachin...

而KOH浓度一定，温度升高，有利于生成偏铌酸钾。浸出时间过长也将促使不溶性偏铌酸钾的形成。试验条件下，Ta2 O5在KOH高浓介质体系中只得到不溶性的偏钽酸钾。Nb2 O5和Ta2 O5混合物的浸出规律与纯Nb2 O5类似，铌、钽不能被选择性地浸出。

The results of the dissertation were concluded as follows:(1) It is essential to deposit a basic additive on the Mo-based catalysts for the synthesis of CH_3SH. The potassium-doped Mo-based catalysts exhibit the highest activity than that of the catalysts doped with the otherⅠA andⅡA group basic promoters. H_2-TPR and LRS characterizations suggest that the addition of a base leads to the transformation of octahedrally coordinated Mo to tetrahedrally coordinated Mo, thus leads to the split of low temperature reduction peaks. The interaction between the basic components and Mo lead to the formation of B-Mo interface phase, which are closely correlated with the formation of CH_3SH.(2) It has been found that Fe, Co, Ni and Te have evident promoting effects for the K-Mo/SiO_2 catalysts.

主要结果归纳如下：(1)在Mo基催化剂中，必须添加碱才具有可观的合成甲硫醇活性，在IA和IIA族元素中，K是最佳的碱促进剂，当K/Mo摩尔比为2，前驱体为K_2CO_3，采用共浸法制备的K-Mo催化剂活性最高。H_2-TPR和LRS表征显示，碱的加入导致表面八面体钼氧物种向四面体转化，催化剂的低温还原峰发生分裂，碱助剂与钼之间存在强相互作用形成了B-Mo"界面相"，该物种与合成甲硫醇密切相关。

The second faulting activity during late period of early Cretaceous, controls the formation of a series of faulting bounded basins with dustpan shape, as well as the formation of interlayer between tholeiite and alkaline basalt bearing olivine existed in red layer.

早白垩世晚期的第二次断陷，则控制了赣杭带沿线—系列箕状断陷盆地以及红层中拉斑玄武岩和碱性橄榄玄武岩夹层的形成。

The analysis of TOC andδ13Corg benefits from Well Chao-73, indicating that they response well enough to the Cretaceous paleoenvironment and paleoclimate. During the sedimentary period of Quantou formation to Qingshankou formation in Songliao basin, the water tends to rise and becomes anoxic, and the deoxidized water leads to the organic matter massively preserved. The paleoclimate changes from torridity and aridity to warmth and humidity, with the temperature evidently descengded, then ascended in a litter range. The result is basically consistent with paleoclimate by the palynological analysis.

朝73井TOC、δ13Corg有机地球化学指标的分析结果表明，TOC、δ13Corg的变化对该沉积时期的古环境、古气候也有很好的响应，该沉积期湖水位不断上升，湖生生物逐渐发展并繁盛起来，水体含氧量减少，湖底有机质的保存环境逐渐变为强还原环境，大量有机质被埋藏并保存，而古气候在泉头组/青山口组界线上下由炎热干旱变得温暖湿润，气温有明显下降，但随后又有小幅的上升，与孢粉分析的古气候变化特征基本一致。

Upper Triassic series Chang 3 oil-bearing formation in the study area is the main oil-bearing formation in Zhenbei Area.

研究区内的上三叠统延长组长3油层组是镇北地区重要的含油层系。

The unaccomplished formation of joint crime is a cross theory concerned with both the theory of joint crime and the theory of criminal formation.

共同犯罪的未完成状态是涵盖刑法共同犯罪理论及犯罪形态理论两大部分的一个交点性理论问题。

The paper fist summarizes the concept and features of joint crime and unaccomplished formation offence, and on this base summarizes the concept and features of unaccomplished formation of joint crime, then through analyzing it's complex reveals the value of study this issue.

本文首先概述了共同犯罪及犯罪未完成状态的概念和特征，并以此为基础综述了共同犯罪未完成状态的概念，然后通过分析其复杂性，凸现了这一问题的研究价值。

This paper combines from the stipulate of joint crime and unaccomplished formation of offence in our criminal law and refers to foreign penal codes and criminal theories , makes some research on how to correctly judge the problem of unaccomplished formation of joint crime in practice.

笔者将结合我国刑法对共同犯罪及犯罪未完成状态的规定，同时参考各国的相关立法及理论界的各种观点，对在实践中如何正确判定共同犯罪的未完成状态问题做出探讨。

Pradeep Indulkar, a senior official at the Maharashtra state Home Ministry say 101 human were killed and 287 injured.

马哈拉施特拉邦内政部高级官员Pradeep Indulkar称，有101人在冲突中丧生，287人受伤。

Mark Frei, a senior vice president of West, says 80% of West's homeagents have some college education, compared with 30% of those whowork in office-based call centers.

Frei说，该公司80%在家办公的人员都拥有本科学位，而在公司电话中心工作的人中只有30%拥有本科学位。