反转

Objective: To observe the changes of P-VEP of reverse occlusion and reverse occlusion combined with pattern stimulus therapy in esotropic kittens, and evaluate the reliability of amblyopic curative effect of pattern stimulus.

中文摘要：目的：观察斜视性弱视幼猫反转遮盖和反转遮盖+模式刺激治疗的图形视诱发电位（pattern visual evoked potential， P-VEP）改变，评价模式刺激治疗斜视性弱视幼猫效果的可靠性。

Objective: To observe the changes of P-VEP of reverse occlusion and reverse occlusion combined with pattern stimulus therapy in esotropic kittens, and evaluate the reliability of amblyopic curative effect of pattern stimulus.

目的：观察斜视性弱视幼猫反转遮盖和反转遮盖+模式刺激治疗的图形视诱发电位（pattern visual evoked potential， P-VEP）改变，评价模式刺激治疗斜视性弱视幼猫效果的可靠性。

In the presence of 500nM TTX, 70%M/T cells presented spontaneous activity. 80%M/T cells with spontaneous activity appeared excitory postsynaptic currents , which could be reverted at 20mv, 14%M/T cells appeared inhibitory postsy-naptic currents , which the reverse potential was -90mv. Few presented both EPSCs and IPSCs.

当细胞外液有1uM的河豚毒，70%的M/T细胞有自发活动，其中80%自发活动是兴奋性突触后电流、它的反转电位是20mv.14%的自发活动是抑制性突触后电流，它的反转电位是-90mv，极少数细胞同时有EPSPs和IPSPs。

Fear of the drugs' side effects, widespread skepticism of Western medicine, the reluctance of public figures to say positive things about ARVs, and reverence for traditional healers lead many patients to shun the drugs. Many activists blame the situation on President Thabo Mbeki and his health minister, Manto Tshabalala-Msimang, who, instead of pushing ARVs, have repeatedly emphasized good nutrition and clean water as keys to treating HIV/AIDS.

抗拒的原因很多，比如受不了服药后的副作用、对西药存有心结、公众人物不肯替反转录病毒药物代言推广、甚至传统巫师带头反对等等，许多前线工作者将矛头指向南非总统及卫生署长，后者不但没有主动宣导反转录病毒药物，反而不断强调真正有效治疗方案应该是均衡的营养及乾净的饮用水。

The shorter of interruption duration, the more obvious interruption effects, and this support the motion opponency theroy. 3 The different intervals between priming and target were detected. Due to interruption of blank frame, the shorter interruption elicited positive proming effects, which is consistant with integration of temporal and spatial in the human brain. 4 The negative of the same direction is relationship to visual adaption and visual inertia effects.

本系列实验得到以下主要结果与结论：1插入空白图片，将导致特定运动方向的反转，而对二义的运动没有明显影响，反映了空白图片对正常视觉运动的阻断；2阻断时间越短，导致特定运动方向反转的几率越大，即阻断效应越明显，支持运动知觉对立理论；3考察不同间隔的启动——靶刺激，由于空白刺激的插入，启动——靶刺激间隔较短时引起的正性启动效应，与人脑系统对视觉信号的时间与空间整合和视觉惯性是一致的。4同向运动的负性倾斜效应与视觉适应有关。

Method］twenty six wistar rats were divided into two groups, with 13 in each group, peroneal nerve was transacted on the right side of all the animals, in one group, the proximal end of peroneal nerve was turned back and ligated, the distal end was sutured to the side of tibial nerve with perineurial window, in another group,both ends of the transacted peroneal nerve were turned back and ligated as contrast, no operation was done on the left side.

方法］wistar大白鼠26只，随机分实验组和对照组，每组13只，实验组右侧腓总神经切断后，近端反转结扎，远端与胫神经外膜开窗处行端侧吻合，对照组右侧腓总神经切断后，两端均反转结扎，两组动物左侧作正常对照，不作处理。术后3个月，行双侧腓总神经、胫前肌组织学检查，胫前肌湿重测定，运动终板检查。

The nucleotide sequences of the PAP gene and PAPⅡ gene in the root of Phytolacca americana were determined by reverse transcription polymerase chain reaction and PCR. The gene comprises 942bp and 933bp respectively, encoding 313 amino acids and 310 amino acids. When PAP gene and PAPⅡ gene sequences in the root were compared with those in the spring leaves and summer ones, the highest similarity 100% and 99. 8% were observed respectively. They both had one open reading frame . Analysis of the two sequences showed, in fact, they belonged to one species.

以美洲商陆根为材料，提取其总RNA、反转录，用一对PAP基因的特异性引物和一对PAPⅡ的特异性引物，分别对反转录产物进行PCR扩增，将扩增的目的片段进行序列分析，结果扩增出来的PAP基因与已经报道的序列完全相同，扩增出来的PAPⅡ基因与已经报道的序列同源性也在99.8％，而且它们都各自编码一个开放阅读框架，可以说美洲商陆根中肯定存在PAP和PAPⅡ基因，并已经转录。

The nucleotide sequences of the PAP gene and PAPII gene in the root of Phytolacca americana were determined by reverse transcription polymerase chain reaction and PCR. The gene comprises 942bp and 933bp respectively, encoding 313 amino acids and 310 amino acids. When PAP gene and PAPII gene sequences in the root were compared with those in the spring leaves and summer ones, the highest similarity 100% and 99.8% were observed respectively. They both had one open reading frame. Analysis of the two sequences showed, in fact, they belonged to one species.

以美洲商陆根为材料，提取其总RNA、反转录，用一对PAP基因的特异性引物和一对PAPⅡ的特异性引物，分别对反转录产物进行PCR扩增，将扩增的目的片段进行序列分析，结果扩增出来的PAP基因与已经报道的序列完全相同，扩增出来的PAPⅡ基因与已经报道的序列同源性也在99.8％，而且它们都各自编码一个开放阅读框架，可以说美洲商陆根中肯定存在PAP和PAPⅡ基因，并已经转录。

Further more, except the detachment-type fold in depression formation, the inversion structural styles can be subdivided into five types: reviving type, forward-expanding type, backward-expanding type, tyrannizing type and truncated type according to the mode of association of the thrust faults and the early normal faults.

进而将反转构造样式除坳陷层滑脱褶皱外，依据反转过程中形成的逆断层与早期伸展断层的组合关系归纳为五种类型：复活型、前展型、后展型、欺压型、截断型。

The soft layer of ECC media usually possesseshigh saturation magnetization and also high demagnetizing energy density.

ECC介质由交换耦合的软磁层与硬磁层构成，它是通过软磁层与硬磁层的磁矩在磁化反转过程中的非一致转动来达到降低矫顽力的效果，而无外场时热反转仍为一致转动，因而能保持较高的热稳定性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。