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Method］ Puncture into Attain long sheath of CS through left infraclavicular vein,guided by CS pipe,take sheath into CS,make reverse contrast of heart vein with Attain saccule contrast pipe,put the left ventricle electric pole into the vein through sheath,then bring it into right ventricle apex and right cardiac ear through the electric pole of right ventricle and atrium,connect it with 3-cavity pulse generator,which is buried under left chest skin.

双心室起搏治疗心力衰竭的临床观察"版权属于原作者所有！请勿将"双心室起搏治疗心力衰竭的临床观察用于商业用途！［目的］观察双心室起搏治疗心力衰竭临床疗效。［方法］经左锁骨下静脉穿刺送入Attain冠状静脉窦长鞘，在CS导管的导引下，将鞘送人CS，用Attain球囊造影导管进行心脏静脉逆行造影，将左心室电极经长鞘放入选择的静脉，送人右心室及右心房电极至右室心尖和右心耳。

It is thought that the channel bay line evolution processes can be divided into four stages. The first stage is soon of the sea level stable when the bayhead mountines are eroded and developed abrasion geomorphy and the productive materials were transport into the bay deposition by the tidal current and wave current and were reworked into gravel dams. The second stage is characterized by the fluvial output sediments and eroded sediments mixed deposition in channel bay and developed marine accumulation plain and sand riges in the plain under the wave reworked. The third stage developed clay silt marine accumulation plain under the action of the channel current and the wave action is very limited. The fourth stage is marked by human being reclaim which result in the channel bay filled and evoluted into a strait arce coast.

文章认为，峡道海湾的充填经历了四个阶段，第一阶段以峡道海湾湾顶山体在波浪作用下产生的侵蚀物质充填为主，发育了海蚀崖、海蚀洞、海蚀穴等侵蚀地形和湾顶砂砾石堤等堆积地形交替的峡道湾顶地貌，第二阶段以河流输出物质和峡道湾岛屿、礁石侵蚀物质在潮流作用下向峡道湾输运，由潮流和波流共同沉积为特征，发育海积平原，部分粗颗粒泥沙在波浪的改造峡，发育平原沙堤，第三阶段以河流输出物质为主，在涨落潮流搬运下进入峡道和峡道湾沉积，在峡道湾中发育以淤泥质粉砂为主要物质的海积平原，第四阶段以人类围涂造田为标志，加速峡道湾的充填过程，使峡道海湾最终趋于夷平，形成顺直均衡的弧形海岸。

We installed into the chicken coop a corrugated roofing tin subfloor that slopes away from the entry door, into a gutter, and then into a drain pipe that empties into a shallow basin the chicken excrement (i.e., fertilizer).

我们在鸡笼里安装了一块顶面呈波纹的锡板，朝入口斜开来，再导入一条沟槽，再把排泄物通过排水管往一个浅盆里排干净，这些排泄物可以做肥料。

And the production comprises that dissolving polyarylamide into organic solvent; mixing and adding alumina particles, disperser, holing agent to be vibrated via ultrasonic wave; putting into drying box to be aged and defoamed; irrigating into film; vaporizing it in drying box; putting into solidify liquid to be emerged; washing with distilled water, processing aminic acid solution, compressing and shaping.

分散剂0.6～8wt。％、成孔剂2～8wt。％组成，制备方法为：将芳香聚酰胺溶于有机溶剂中，在搅拌中加入氧化铝颗粒、分散剂、成孔剂超生震荡；放入干燥箱中熟化、脱泡；浇铸成膜；浇铸后的膜在干燥箱中蒸发，然后放入凝固液中浸泡，接着用蒸馏水漂洗干净后用甲酸溶液处理；最后预压成型。

The Enlightenment trend made three inclinations come into being, such as the empiricism, the rationalism and the ethic of sensibility. Because of the three inclinations, the Enlightenment trend had three types of modes. In England where the empiricism prevailed, the narrative literature which emphasizes realism came into being. In France where the rationalism prevailed, the argumental literature which emphasizes thinking came into being. And in the influence of the ethic of sensibility, different kinds of lyric literature came into being.

启蒙主义包括经验主义、理性主义和情感伦理这三个方向，它影响启蒙主义文学形成了三种基本的书写模式：在经验主义盛行的英国，产生了重写实的叙事型文学；在理性主义盛行的法国，产生了重思考的议论型文学；而在情感伦理的影响下，则产生了不同形式的抒情型文学。

The head cell would developed into branchy trichomes if the four cells splited into eight ones not in a level,and the one would developed into peltate trichomes if the four cells splited into eight ones in a level.

若四细胞平周分裂成上下八细胞，将发育成分枝状表皮毛的头部；若继续垂周分裂成同层八细胞，将发育成盾状表皮毛的头部。

After take analyzed deeply for the opened magnet circuit with FEMM (Finite Element Method Magnetics) we find out the field distributing that is separated into three sections . One is the main area what we called as positive field section. Beside the main field there are tow areas that are called the inverted field sections. Loudspeaker arise a very serious distortion when the voice coil moving into inverted field areas. The direction of induced current in the coil part of entered inverted field area is same with the current driving into loudspeaker so that total currents increas largely and heat increase rapidly. With more coils moving into inverted area the voice coil will take on negative inductance properties. It is the main reason that voice coil is burned by heating with increasing current due to arise negative inductance. So opened magnetic circuit is not suitable for the woofers in which the voice coil have wider displacement range. When using this kind magnetic circuit design, the voice coil moving range should be less than the range of positive field to avoid loudspeaker arise serious distortion and heating. Even though voice coil moving range is in the positive area, loudspeaker will still arise more distortion because the field distribution is very cliffy at tow sides of the positive area and full range of magnetic field distribution is not parallel that will arise distortion. Base on above reasons, opened magnetic circuit is not an ideal magnetic circuit for low-frequency loudspeakers. But it can be used in mid-range or high-frequency productions.

开式磁路是由2片钕铁硼磁铁和主导磁板和导磁垫片组成，我们在实践过程中发现这种磁路结构不适合于低频扬声器的使用，我们通过使用FEMM（Finite Element Method Magnetics）软件包对该磁路进行了分析，该磁路的磁场范围被分成3个区域，其中在主导磁板附近形成一个正向磁场，在正向磁场的两边存在反向的磁场，音圈在工作时有很大一部分进入了反向磁场中，在反向磁场内线圈的感应电流方向与驱动电流方向相同，使得音圈呈现出负感抗特性，由于音圈的负感抗特性引起电流的增加导致音圈发热甚至烧毁，因此在扬声器中使用开式磁路时，音圈的运动范围应控制在正向磁场范围之内，否则音圈运动到反向磁场区域时将会产生很大的失真和发热，即使在设计时已经将音圈的运动范围控制在正向磁场范围之内，由于正向磁场的2个边缘磁场强度衰减太快，同时开式磁路中磁场的分布不是平行的，而是自由发散的分布，这样肯定会导致扬声器的非线性失真，因此我们得到的结论是：开式磁路并不是一个理想的磁路，它不适合于低频扬声器的使用，但它还可以应用于中高频扬声器。

The opened magnetic circuit is composed as tow NdFeB permanent magnets and a top plate without U-yoke. After take analyzed deeply for the opened magnet circuit with FEMM (Finite Element Method Magnetics) we find out the field distributing that is separated into three sections . One is the main area what we called as positive field section. Beside the main field there are tow areas that are called the inverted field sections. Loudspeaker arise a very serious distortion when the voice coil moving into inverted field areas. The direction of induced current in the coil part of entered inverted field area is same with the current driving into loudspeaker so that total currents increas largely and heat increase rapidly. With more coils moving into inverted area the voice coil will take on negative inductance properties. It is the main reason that voice coil is burned by heating with increasing current due to arise negative inductance. So opened magnetic circuit is not suitable for the woofers in which the voice coil have wider displacement range. When using this kind magnetic circuit design, the voice coil moving range should be less than the range of positive field to avoid loudspeaker arise serious distortion and heating. Even though voice coil moving range is in the positive area, loudspeaker will still arise more distortion because the field distribution is very cliffy at tow sides of the positive area and full range of magnetic field distribution is not parallel that will arise distortion. Base on above reasons, opened magnetic circuit is not an ideal magnetic circuit for low-frequency loudspeakers. But it can be used in mid-range or high-frequency productions.

开式磁路是由2片钕铁硼磁铁和主导磁板和导磁垫片组成，我们在实践过程中发现这种磁路结构不适合于低频扬声器的使用，我们通过使用FEMM（Finite Element Method Magnetics）软件包对该磁路进行了分析，该磁路的磁场范围被分成3个区域，其中在主导磁板附近形成一个正向磁场，在正向磁场的两边存在反向的磁场，音圈在工作时有很大一部分进入了反向磁场中，在反向磁场内线圈的感应电流方向与驱动电流方向相同，使得音圈呈现出负感抗特性，由于音圈的负感抗特性引起电流的增加导致音圈发热甚至烧毁，因此在扬声器中使用开式磁路时，音圈的运动范围应控制在正向磁场范围之内，否则音圈运动到反向磁场区域时将会产生很大的失真和发热，即使在设计时已经将音圈的运动范围控制在正向磁场范围之内，由于正向磁场的2个边缘磁场强度衰减太快，同时开式磁路中磁场的分布不是平行的，而是自由发散的分布，这样肯定会导致扬声器的非线性失真，因此我们得到的结论是：开式磁路并不是一个理想的磁路，它不适合于低频扬声器的使用，但它还可以应用于中高频扬声器。

This paper presents a study of Eucalyptus dunnii tissue culture, using its seeds as explants. The results reveal that MS medium is a suitable basic medium for its seeds to germinate and grow; that MS+KT1.0 mg/L+2, 4-D2.0 mg/L+Homocysteine30mg/L is a good medium to induce its seeds to dedifferentiate directly into callus; that H+6-BA2.0 mg/L+IAA0.2 mg/L is a good medium to make its bud on the seedling reproduce more buds; that MS+6-BA2.0 mg/L+NAA0.2 mg/L is a better medium to induce its root on the seedling into callus; that B5+6-BA2.0 mg/L+2, 4-D0.2 mg/L can induce its under-hypocotyl to differentiate into buds; and that B5+Ad2.0 mg/L+IAA0.2 mg/L can induce its under-hypocotyl into callus to generate normal buds.

以邓恩桉种子为外植体，探讨用最少种子快速繁殖最多幼苗的方法，结果表明：MS培养基是较适合邓恩桉种子萌芽和生长的基本培养基；诱导种子直接脱分化成愈伤组织的较佳培养基配方为MS+KT1.0 mg/L+2，4-D2.0 mg/L+半胱氨酸30 mg/L；以邓恩桉实生苗的芽来繁芽的较理想培养基配方为H+BA2.0 mg/L+IAA0.2 mg/L；邓恩桉实生苗的根诱导愈伤组织的较佳培养基配方为MS+6-BA2.0 mg/L+NAA0.2 mg/L；诱导邓恩桉下胚轴分化芽较佳培养基配方为B5+6-BA2.0 mg/L+2，4-D0.2 mg/L；诱导邓恩桉下胚轴脱分化为胚性愈伤组织的较佳培养基配方为B5+Ad2.0 mg/L+IAA0.2 mg/L。

The thesis is based on income question, forest coverage rate and grop production.to beging with, date envelopment analysis is proved that it can be applicated into grain for green in shan-bei district, and then in view of the fact, seven esential factors which have influence on the project are found out: expense of dam, expense of crop,expense of cash tree ,expense of defense tree,other economic crop,expense of grass and graziery;and the output factors include:income of gdp,pure income per captia,the area of decreasing land loss,graziery income ,crop production,income of tree,the totle income of economic crop.after the date of each facts are puted into dea model,unefficiencial decision making units found.the data that are got through adjusting unefficiencial dmus dy dea can offer guide in shanbei district upgrading of an industrial structure.at the same time ,taking into account some possible problems in or after grain for green in shan-bei district,the thesis bring out some propesal to improve the circumstance,enhance the life level and putthe relation of population,resource and circumstance into a healthy orbit.

论文以解决陕北地区的收入问题，植被问题以及粮食产量问题为出发点，首先从理论上分析了包络分析方法在陕北地区退耕还林中运用的可行性，然后结合陕北地区目前的实际情况，综合分析出影响陕北地区退耕还林的关键的七个因素作为输入指标：水利水保设施投入，农作物投入，经济林种支出，防护林支出，其它经济作物，草类支出，畜牧业投入；以退耕还林所要解决的最终问题作为输出指标：GDP收入、农民人均纯收入、水土流失减少量、牧业总产值、粮食产量、林业总产值、其他经济作物总产值。将各指标所对应的数据代入模型后，通过分析求解得出非有效的决策单元，再运用包络分析方法的一些基本原理对非有效的决策单元进行调整，由此所得的数据对陕北地区的实际投入具有很好的指导意义。同时，又针对陕北地区在退耕还林过程中以及之后可能面临的困境，提出了一些建议和对策。最终使得陕北地区的投资环境尽快得以改善，使农民尽快脱贫致富，使人口、资源、环境的关系尽快纳入良性循环的轨道上。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"