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Single chain bolaamphiphile containing cinnamyl moiety [4-(ω-hydroxydecanyloxy)(ω-hydroxydecanyl) cinnamate, abr. HDC] was designed and synthesized.

制备了一种含肉桂酸基团的Bola型两亲分子HDC4-(10-羟基癸氧基-10-羟基癸氧基肉桂酸酯。

The bond lengths,bond angles and molecular conformation indicate that:in these polyphenoxy benzene systems the conjugative polari...

的分子构象、键长和键角数据表明氧桥两边的苯环的共轭极化效应不能贯通，而苯氧基只是分子中的一个独立片断。

Further more, to make the hybrid microspheres with good dispersibility in aqueous media, 3-propyl triethoxysilane was added to copolymerize with St and DVB, and after hydrolization the microspheres with silanol groups on the surface were obtained, which can be well dispersed in water and used for cell imaging.

进而将3-甲基丙烯酰氧基丙基三甲氧基硅烷作为共聚单体，得到了表面硅羟基功能化的聚苯乙烯荧光微球，改善了微球在水相中的分散性，并将此类荧光功能微球成功用于细胞成像。

And the physical gelation, which corresponds to the crosspoint of modulus G'and G, was resulted from the vitrification of thermoplastic-rich phase.

对照两相组成与转化率的相图发现，环氧体系的转化率在相分离过程中变化很小，而且一般早于环氧的化学凝胶点。

Results showed that in the water body of Xizi Lake, annual average of culturable planktonic ammonifiers and nitrogen fixers were 510 and 236 CFU/mL, respectively; Ammonia oxidizers, nitrite oxidizers, nitrate reducers and denitrifiers were 8.5, 16, 587 and 16 MPN/mL, respectively; Inorganic phosphate solubilizing bacteria (1PB) and organic phosphorus mineralizing bacteria were 89 CFU/mL and 37 MPN/mL, aerobic and anaerobic cellulose decomposers were 7 and 5 MPN/mL, respectively.

水体中可培养异养细菌和固氮菌的年平均值分别为510和236CFU／mL，氨氧化细菌、亚硝酸氧化细菌、硝酸盐还原菌和脱氮菌的数量分别为8.5、16、587和16 MPN／mL；无机磷和有机磷分解菌分别为89 CFU／mL和37 MPN／mL；好氧性纤维素分解菌和厌氧性纤维素分解菌只有7和5 MPN／mL。

Synthesis of Antidote of N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane BI Hong-mei, ZHANG Jin-yan, LIANG Ying, SHEN Yong (College of Arts and Sciences Heilongjiang August First Reclamation University, Daqing 163319, Heilongjiang, China) Abstract: N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane was synthesized by one pot method with isopropanolamine, cyclopentanone and dichloroacetyl chloride. The optimum reaction conditions obtained are as follows:the proportion in moles of the above materials is 1∶1∶1.2, reaction solvent is toluene, reaction temperature is -15 to -10 ℃,reaction time is 3 h, under the optimum condition, the yield of the compound is 50.0%.

除草剂解毒剂N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷的合成毕洪梅，张金艳，梁英，沈勇(黑龙江八一农垦大学文理学院，黑龙江大庆 163319)摘要：以33%的氢氧化钠水溶液为缚酸剂，异丙醇胺、环戊酮和二氯乙酰氯为原料，采用&一锅法&合成了N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷，采用正交实验法得到最佳反应条件：反应原料摩尔比为1∶1∶1.2，苯作溶剂，反应的温度为-15 ℃~-10 ℃，搅拌时间为3 h，产率达到50.0%。

3NE、MTT、LDH、ET-1、ICAM-1 and Tie-2experiment show: in the process of oxygen glucose deprivation/reoxygenation ,BMEC have subjected great damagement, I/R groups have significant differences compared with NC groups (p.05);polymorphonuclear leukocyte can aggregrate this injury, I/R+PMN groups have significant differences compared with I/R groups (p.05); after Sivelestat Sodium treatment, the effect of I/R injury has been decreased, I/R+PMN+Siv groups have significant differences compared with I/R+PMN groups (p.05), and NE、MTT、LDH experiment show that the three dose groups there was a significant dose-effect relationship.

3测定NE、MTT、LDH、ET-1、ICAM-1、Tie-2 mRNA均显示：氧糖剥夺/复氧复糖过程能对BMEC造成损伤，I/R组与NC组比较有明显的统计学差异(p.05)；中性粒细胞能加重对BMEC的损伤，I/R组与I/R+PMN组之间比较亦有统计学差异(p.05)；西维来司钠处理后，血管内皮细胞的损伤明显减轻，I/R+PMN组与I/R+PMN+SIR组比较有统计学差异(p.05)，并且NE测定以及MTT、LDH实验提示在西维来司钠三个剂量组之间存在明显的量-效关系，其对BMEC的保护作用有剂量依赖性。

The process of Orbal oxidation ditch and the situation of the dissolved oxygen control of the Orbal oxi- dation ditch in Changling General Works of Petroleum and Petrochemicals were introduced.

介绍了奥伯尔氧化沟流程及长岭炼油化工总厂奥帕尔氧化沟的溶解氧控制现状，分析了影响溶解氧控制的相关因素，并针对该厂奥伯尔氧化沟的施工、设计原因造成的曝气设备充氧能力降低及各沟充氧能力不匹配等问题进行了讨论，同时对存在的问题提出了改进意见。

The second part of research is analysis of the decolorization bacterial by anaerobic bioreactor, decolour experimental result: To decolour complete for 6 hour have 5 colonies, define for being high decolor bacterial; to decolour complete for 6~36 hour have 20 colonies, define for being medium decolor bacterial; And the person who greater thans 70% of decolouring rate have 25 colonies within 36 hours, define for being low decolor bacterial.

研究第二部份为厌氧脱色槽中之厌氧脱色菌种之分析，初步脱色实验结果为6小时内脱色完毕者有5株，定义为高脱色菌株；6~36小时内脱色完毕者有20株，定义为中脱色菌株；而在6~36小时内脱色率大於70%者有25株，定义为低脱色菌株。

The top injection of oxygen gas in RH-KTB degasser has been simulated by the top injection of CO2 in a physical model with NaOH solution.

用顶吹CO2-NaOH溶液体系模拟了RH-KTB顶吹氧溶氧过程。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。