By continuous welding the helically wound fin to the tube, more efficient heat flow is achieved from the tip of the tube wall, it also eliminates gaps in the heat flow which can occur when interrupted or spot welding procedure is used .

由于連續(xù)地把螺旋翅片焊接到管子上亚洲色图第一也，就使更多的有效熱流從翅片頂端直達(dá)管壁，且消除當(dāng)采用間斷焊或點(diǎn)焊焊時(shí)可能存在的熱阻問題。

This paper describes a method of in vitro propagation of Heliconia psittacorum cv. Rhizomatosa by using terminal shoot tip explants.

本研究目的在探討cefotaxime抗生素預(yù)處理彩虹鳥蕉Heliconia psittacorum cv。

The mean intraocular pressure was between 0.8～2.8kPa in 17 eyes,and the Yate of control reaches to 65.4%, the postoperative complication included transicent hyphema, Early hypotony, obstruction of the tube tip and drop out of the plate.

術(shù)后并發(fā)癥包括：短暫性前房出血级特大黄片视频影院春色，術(shù)后早期低眼壓，引流管口阻塞及植入盤脫出18紧网站。

Lactuca indica is a good pasture resource, mature period is a key for L. indica being used effectively. In this paper, the root tip of L.

苦荬萊Lactuca indica是一種優(yōu)良的牧草種質(zhì)資源欧美黄色午夜，熱期是苦荬菜利用的重要影響因素之一欧美三級片AAAA。

Any of various nocturnal beetle s of the family Lampyridae,characteristically having luminescent chemicals in the posterior tip of the abdomen that produce a flashing light.

螢火蟲幾種夜間活動(dòng)的螢科昆蟲中的任意一種精品亚洲韩国一区二区三区，明顯的特征是腹部的后端內(nèi)有發(fā)冷光的物質(zhì)，能產(chǎn)生閃爍的亮光

We chose 30 type milli-needle as tools after routine sterilization. Usually we pick levelly 0.5-0.8 inch at Baihui, 1. 5 inch at Jiaji, 1-1. 5 inch inclinedly to the nose tip at Fengchi, 1-1. 5 inch inclined at Jianjin, 1-1. 5 inch at Shousanli. After obtaining gas by rotating method, we used moxibustion at Baihui by lighting the moxa strip, and put the acupuncture and moxibustion therapeutic instrument (made in shanghai, G6805-Ⅰ) at other acupuncture points. We chose thin and dense wave and adjust the current strength according to endurance of the patients, and 20 minutes each time, one time every other day, 15 times a course.

操作：患者俯臥位或坐位东北粗口国产床，選30號(hào)毫針黄色网站一级在线播放视频在线观看，常規(guī)消毒，管筒進(jìn)針亚洲一级Av无码毛片无卡，進(jìn)針后百會(huì)穴平刺0.5～0.8寸精品自拍日韩视频在线播放免费观看，夾脊穴直刺1.5寸，風(fēng)池穴針尖微下www.huicheng99.com，向鼻尖斜刺1～1.5寸黄色视频官方网站|视色，肩井斜刺1～1.5寸，手三里直刺1～1.5寸天天插天天狠天天透伊人，行捻轉(zhuǎn)法得氣后三级黄色黄页网站，將艾條點(diǎn)燃后于百會(huì)穴上行溫和灸，其余各穴接上海產(chǎn)G6805-Ⅰ型針灸治療儀AV无码永久免费网站，用疏密波一区精品自拍偷拍，電流強(qiáng)度以病人能耐受為度（其中風(fēng)池穴的電流強(qiáng)度以偏小為宜），每次20分鐘。

objective the purpose of this study was to explore the method and effectiveness of apertognathia of anterior teeth in teenagers.methods the majority patients were corrected with edgewise appliance after draw four molars, all sorts of flexure were curved on the appliance, used perpendicular traction for anterior teeth and ii, iii maxillomandibular traction, fine adjust intercuspal position ,tip and cavity.

目的 探討青少年前牙開牙合的矯治方法和效果欧美亚洲精品s区。方法多數(shù)患者采取拔除4個(gè)磨牙之后使用方絲弓矯治器矯治色欧美色亚洲，矯治中在弓絲上彎制各種曲，并使用前牙垂直牽引和頜間ⅱ類www黄色美女视频、ⅲ類牽引jizzjizzxxxx，精調(diào)牙位及尖窩關(guān)系。

Anchorage loss measured at the first premolar averaged 1.3 mm,but the crowns tipped 3.5?distally.During distalization with Distal jet,the first premolar did not tend to tip mesially as found in many investigation of other intraoral distalizing appliance.

每側(cè)第一前磨牙的支抗喪失平均為1.3mm并伴3.5 的牙冠遠(yuǎn)中傾斜强奷伦奷视频在线观看，這一結(jié)果不同于其它口內(nèi)磨牙遠(yuǎn)移裝置所造成的前磨牙牙冠近中傾斜中文字幕福利，與國外對同類矯治器的觀察結(jié)果相似。

Upper central incisors moved forward and downward together with maxillary, at the same time they upright in the sagittal plane and tip mesially. 3 The occlusion plane rotated clockwise for about 1.5°. 4 The width increasement effect of RME comes from approximately the equal amounts of skeletal and dental expansion. The mode of dental movement was a combination of body and tipping movements of posterior teeth.

結(jié)果：1后牙在寬度方向上為整體移動(dòng)和傾斜移動(dòng)相結(jié)合的移動(dòng)方式幸爱五月天，但第一磨牙和第一雙尖牙稍有差別无码专区日韩精品无码字幕；牙齒和骨對寬度增加的貢獻(xiàn)各占約1/2；2后牙在垂直方向有伸長的趨勢欧美性爱亚洲色图；3第一磨牙和第一雙尖牙均向前整體移動(dòng)国产成人情侣在线手机免费观看视频，軸傾度保持不變；4中切牙整體隨上頜骨前部向前向下移動(dòng)www.zipai，其牙長軸發(fā)生直立久久久精品国产亚洲Av，軸傾度增加；5上頜平面發(fā)生順時(shí)針旋轉(zhuǎn)无码3p。

METHODS:The micronucleus test of Vicia faba root tip cell was used to detect the water quality,and to survey the chemical oxygen demand.The micronuclear rates and Pollution Index were determined and the F-test was used to evaluate the difference in micronuclear rates among different samples.

材料與方法：用蠶豆根尖細(xì)胞微核技術(shù)對各采樣點(diǎn)水樣進(jìn)行監(jiān)測欧美未满十八岁，并對各水樣進(jìn)行化學(xué)需氧量(chemical oxygen demand，CODcr)的測定亚洲色黄hAV在线，統(tǒng)計(jì)分析各采樣點(diǎn)水樣的蠶豆根尖細(xì)胞微核千分率及污染指數(shù)在线观看的黄色网站欧美日本。