促进我国企业自主知识产权开发政策研究——一个税收激励的视角

企业自主知识产权开发具有投入大、研发难的特点,开发出的知识产权一旦产业化,又极易被仿制。因此怎样调动企业进行自主知识产权开发的积极性成了建设创新型国家的一个重要问题。从税收激励的视角,论述了税收当局通过税收优惠的方式对进行自主知识产权开发的企业进行支持,对制定支持自主知识产权开发的税收优惠政策提出了政策建议。     

电针家兔“内关”穴对实验性慢心率影响的研究

本工作利用心得安注入家兔体内造成慢心率的动物模型,电针刺激双侧“内关”穴位。结果表明,一定参数的针刺作用可有助于心率的恢复,在电针作用下,慢心率加速趋于正常。这种作用对临床应用针刺的调整机能提供了一组实验依据。     

Reducing the Effects of Driving Fatigue with Magnetic Stimulation

Introduction Drivingfatigueisaseriousproblemandbelievedtobea directorcontributingcauseofroad relatedaccidents.Fatigue isagradualandcumulativeprocessandisthoughttobe associatedwithadisinclinationforanyeffort,reduced efficiencyandalertnessandimpairedmentalperformance[1] Cognitiveeffortinvolvessustainedvigilance,selective attention,andcomplexdecisionmakingandoccasionally automatizedperceptual motorcontrolskills.Performanceover time,suchasthatrequiredduringdrivingusuallyrequire greatercognitivee…     

Quantitative differences in the pharmacological effects of (+)- and (−)-cathinone

Summary The optically pure isomers of cathinone were prepared by separating synthetic cathinone racemate and used to study central and peripheral effects of these indirect sympathomimetics in rats and guinea pigs. The (–)-isomer was significantly more potent than the (+)-isomer in stimulating locomotor activity whereas no difference was observed with respect to their cardiac effects. In analogy to observations with (+)- and (–)-amphetamine such variable isomer discrimination may be due to different stereoselectivities of amine uptake mechanisms in the target tissues.     

Perception of olfactory and intranasal trigeminal stimuli following cutaneous electrical stimulation

Based on previous research it may be hypothesized that the perception of odorants is modified by an axon reflex emanating from trigeminal afferents activated via the skin and/or the intranasal respiratory epithelium. The present experiment investigated the effects of trigeminal cutaneous stimulation on intensity estimates of intranasal chemical stimuli. While the left nostril was stimulated chemically with olfactory and trigeminal stimulants, four regions of the face were stimulated electrically. Intensity estimates of the chemical stimuli tended to increase after cutaneous electrical stimulation which may be interpreted in terms of response priming. The effect of electrical stimulation did not differ at the 4 stimulation sites. The results argue against the hypothesis that the processing of intranasal chemical stimuli is modified peripherally by cutaneous trigeminal excitation.     

Bombesin promotes pancreatic growth in suckling rats

Summary The pancreatic growth promoting effect of long term administration of bombesin was investigated in suckling rats. The authors showed that bombesin given in 10 g/kg b.wt doses s.c. every 8 h for 10 days from the day of parturition stimulated pancreatic growth: it increased pancreatic weight, protein and DNA content, trypsin and amylase activity and trypsin/DNA ratio. Conclusion: Bombesin is an effective stimulator of pancreatic growth in suckling rats.     

套管固井滑套工具现状及发展趋势

非常规油气资源丰富,开发潜力巨大。但因其渗透率低、渗透阻力大导致水平井单井产量低,难以满足经济开发要求。为提高储层改造效率实现有效增产,中外形成了水平井分段压裂的主体技术。作为水平井分段压裂的新兴技术,套管固井滑套分段压裂具有井眼适应性强、过流面积大、适合大排量压裂的优点。概述了各类套管固井滑套分段压裂工具现状,指出了工艺技术背后的缺陷与难点。通过对各类工具优缺点对比分析,提出了套管固井滑套未来的发展建议。     

大陆科学深钻钻进环境计算机仿真模拟系统初探

本文论述了建立大陆科学深钻钻进环境计算机仿真与模拟系统的必要性和可行性,初步探讨了建立仿真与模拟系统的研究内容和基本框架,此系统的全面实现将为推动我国大陆科学深钻的发展具有一定的意义。     

OPTIMAL COMBINATION OF STABILIZING MEASURES FOR OILFIELD PRODUCTION

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