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While, 25 of them are international cities and 2 international areas. 200 air routes have been established, with 17 international citied and areas included. During the time of 1990 to 2003, the provincial airports' passenger capacity grow at 22.8% annually in average, 15.5% higher than the national level.

各机场始发航线总数达200条,其中国际、地区航线17条。1990~2003年间,云南各机场旅客吞吐量年均增长22.8%,远高于全国机场15.5%的平均增长水平。2004年集团各机场旅客吞吐量突破1270人次大关。

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。

Under coaction of endogenic geological processes and water and heat conditions, the drainage development, and water formation and transformation in the inland watershed. were indicated hydrological characteristics of periglacial zone. The hydrological process is mainly related with to changes in mountain areas. It by 41% of precipitation in mountain areas as surface discharge flows into middle and lower reaches, which makes up a main physical basis of the quantitative and qualitative relationship for various functional units in the eco-system in mountain front plain.

在内动力地质、水热条件的共同作用下,内陆河流域上游山区的水系发育、水的形成和转化反映出冰缘带水文学特征,水文过程主要和气候变化相关联,山区降水总量的41%以地表径流形式输入中下游地区,构成山前平原生态系统各功能单元数量与质量关系的主要物质基础。

The size of UE and LE cell is bigger in karst areas variety than in non-karst areas variety, and the arrange of palisade and spongy tissue is more compacter . Sunken stomata exist only in lower epidermis .The stomata are of renal type. Karst Area variety stomatal is density.

岩溶地区品种茎的表皮细胞厚度大于非岩溶地区品种;皮层层数较非岩溶地区品种多,细胞排列紧密,髓部不为空;在同倍显微镜下岩溶地区品种木质部脊较多,但木质部的平均长度和导管的直径比非岩溶地区的都要小。

This article has analyzed and studied the history、 current situation and open question of ship industry in the areas of Wenzhou and Taizhou, and it is the first time to dissect the ship industry compressively in coastal the areas of Wenzhou and Taizhou where the economy is the most active.

这些针对整个温台地区船舶工业如何与国际接轨所提出的一些观点和思路,有一定的新意和前瞻性、和实际应用价值,也是目前为止温台地区勾勒得比较全面的船舶产业发展构架图。

This in vivo study was to examine the historical changes of implanted novel chitosan/collagen composite barrier for confirming the clinical feasibility. Four other commercial GTR membranes were chosen for comparison. Among the resorbable GTR membranes, BioMend Extend and Peri-Aid are collagen base, and GORE-TEX OSSEOQUEST is synthesized membrane, while GORE-TEX e-PTFE (Expanded polytetrafluoroethylene) is synthesized but non-resorbable. Beagle dogs were used as animal model. Buccal mucoperiosteal flaps were reflected in the bilateral mandibular premolar and molar areas. Buccal alveolar bone was reduced on 1st、2nd premolar and molar to a level 5 mm apical to the cemento-enemel junction. Root surface was denuded of periodontal ligament and cementum, and notches were placed at the bone level of each root. The tested GTR barriers were implanted in critical bone defect areas. Flaps were coronally positioned and sutured. Two beagle dogs were sacrificed each time as the designed time period after surgery. Histological and histometirc evaluation at 7 days、14 days、28 days、3 months were performed post-operatively to determine the healing response of each treatment modality.

本研究之目的在评估与工研院生医中心合作发展出可吸收性去乙醯几丁聚醣/胶原蛋白复合之组织导引再生膜片,并选择与可吸收性之BioMend Extend 及Peri-Aid 胶原蛋白膜片,和GORE-TEX OSSEOQUEST 合成高分子膜片,及不可吸收之GORE-TEX e-PTFE合成高分子膜片,等其他四种市售商品材料共同对照评估,应用8只年龄为12个月的雄性小猎犬,均分4组(分别为7天、14天、28天、3个月),为动物活体评估模式,在实验犬之左、右下颚第一、二小臼齿及大臼齿的颊侧区制造骨缺损后,分别植入组织导引再生膜片,依实验设定时间将小猎犬牺牲,取下缺损区骨头,以光学显微镜观察量测其牙垩质再生高度与齿槽骨再生高度之变化,以探讨其组织再生模式及评估新膜片在临床应用之适用性。

Kreht also investigated homologous areas in brains of a few apes and monkeys and found that the cortices of these animals had areas with similar cytoarchitecture as that found in Broca's area.

Kreht 也调查到在一些人猿与猴子的脑袋中有类似的区域且发现这些动物的皮层都有与Broca' area 相似的区域。

The cortical mechanisms of electroacupuncturing true acupoint are not simple correspondence between acupoints and areas of brain visual cortex, and it should be a complex process mobilizing the more areas of brain cortices to take part in.

电针刺激光明穴所引发的脑功能区激活的神经机制不是简单的穴位-视区对应,而是调动了多个脑区参与的复杂的过程。

Results The spiral CT features of atypical dissection were as follows:(1) continuous crescentic or circle areas along the wall of aorticwith CT value of 50-80HU, after enhancement, these areas were still low density contrast to the enhanced aortic lemin.

CT表现:(1)主动脉壁呈半月形或环形增厚,CT平扫时呈高密度,CT值约50~80Hu,增强后无强化,与强化主动脉管腔对比反呈低密度。

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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。

However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。