双丝的

Objective To investigate the effects of anchorage control in bimaxillary protrusion correction by straight wire appliance.

文章摘要：目的研究支抗控制在滑动直丝弓技术矫治双颌前突畸形中的作用。

Methods:Select 11～18 year old patients with bimaxillary protrusion 20 cases were randomly divided into two groups:TPA group,TPA＋Nance arch group.Two cases are the uprooting of four first premolars,the use of straight wire appliance technology,one step closure extraction gap analysis before and after treatment lateral skull X ray film and dental cast changes in the indicators.

选取11～18 岁双颌前突患者20 例，随机分为：TPA与TPA＋Nance弓两组；两组病例均拔除4个第一前磨牙，使用直丝弓矫治技术，一步法关闭拔牙间隙，分析治疗前后X线头颅侧位片及牙颌模型的各项指标变化。

Fluorescence in situ hybridization and double FISH experiments were carried out to ascertain the chromosomal distribution patterns of the 45S and 5S ribosomal DNAs in the three species of Cucurbitaceae.

首次利用荧光原位杂交和双色荧光原位杂交技术对45S和5S rDNA在南瓜、丝瓜、冬瓜的有丝分裂中期染色体上进行了物理定位分析。

Rats in experimental group were placed on the expansion appliance, inserting into the diastema between the first and second molars, then stick to molar lingual using light-cured resin for retention.

实验组采用0.014澳丝弯制双眼圈簧样扩弓装置，插入第一、二磨牙牙间隙，用光固化树脂粘结在大鼠磨牙舌侧进行固位；对照组安装未加力的同型扩弓装置。

Reparation of PBO was begun with the polymerization process in which composite salts that contained 4,6-diaminoresorcinol and terephthalic acid were dissolved in polyphosphoric acid and phosphorus pentoxide.

BO纤维制备：以4，6-二氨基间苯二酚的盐酸盐为单体原料，与对苯二甲酸混合，经过中和反应、脱色处理、干燥后制成复合盐；再以多聚磷酸为溶剂，添加五氧化二磷和抗氧化剂，经过预聚合反应制备出PBO聚合物；聚合物通过双螺杆挤出机进一步进行聚合，然后通过喷丝板挤出，在磷酸水溶液中凝固成型，经过洗涤、干燥等过程，最终卷绕成型。

Mammography showed multiple serpiginous, tubular calcifications, which are characteristic of calcified filariasis, in both breasts.

钼靶显示双侧乳腺多个匍匐状，管状钙化，具备丝虫钙化的特征。

XJXJ double spiral griding silk dividing machine can be applied to various material. Such as: rice and wheat grass, bagasse, reed, wood chip, bamboo strip, cotton perch, brushwood and others. The high consistency pulp-making can reduce fibre cutting. The moderate temperature soak can directly process them into velvet shape or fibre bundle.It is a new kind of pulp-making equipment which is in accordance with environmental protection requirements.

XJXJ双螺旋搓磨分丝机适用于多种原料，如：稻麦草、蔗渣、芦苇、木片、竹片、棉杆、枝桠材等，高浓制浆，减少纤维切断，中温浸泡，可直接处理成或纤维束，是符合环保要求的一种新型制浆设备。

The score teetered to double-hill when Robles broke and potted the 9 ball in the bottom corner pocket.

评分teetered至双山时，罗波丝爆发及盆栽9球，在底角的口袋。

The company is located in Fuyong High and New Technological Industrial Park, in West Baoan District, Shenzhen, with the occupational area of over 30 mu(1mu=667m2), workshop area of 35000m2, possesses national advanced producing equipments3 sets of imported double screw charging machine, 20 sets of big and small automatic annealing drawing bench equipment, 8 sets of automatic laser testing exterior produce lines, 12 sets of 800 630 500 type twinning cablers, 50 sets of US type fully-automatic high speed knitting machine and a series of auxiliary machines.

公司坐落于深圳市宝安区西部高新技术产业园，占地面积三十多亩，厂房面积三万五千平方米。拥有国内最先进的生产设备，主要有进口双螺杆造料机三套；大小全自动退火拉丝机设备二十套；全自动激光检测外径生产线八套；800 630 500型对绞成缆机一十二套；美式全自动高速编织机五十台及一批辅助机器。

Methods Ten skeletal Class II division I malocclusion patients in permanent dentition with ANB 7.4° and overjet 8-11mm were treated by Edgewise technique with extract 4 first bicuspids, cephalometric measurements before and after treatment were done.

对10名前牙深覆盖达到8～11mm且ANB平均为7.4°伴Ⅲ°深覆牙合的恒牙期患者，采用方丝弓技术进行矫治，均拔除4个第一双尖牙，并对所有患者正畸治疗前后进行头影测量分析。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。