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A rare case of reopening of the patent urachus with urine leakage encountered during pregnancy is reported.

脐尿管在妊娠期间重开放是非常罕见的状况。病人在怀孕27周时发现有尿液从肚脐流出，而流出的量跟随怀孕的周数而与日俱增，临床怀疑为脐尿管重开放。

The results were analyzed statistically.Results The incidence of post obturation pain after 1 day in zink oxide paste group was significantly higher than that two groups. The pain occurrence happened 5 or 30 days root canal filling were no difference on them. No statistical difference was observed in success rate on them after 1 year.

结果 Vitapex组和新型根管糊剂组术后1天的疼痛反应较氧化锌组糊剂少，且有显著性差异；5天、30天的疼痛反应则无明显差异；1年后氧化锌组的尖周愈合程度较Vitapex组和新型根管糊剂组差，但已无统计学差异。

The results were analyzed statistically.results the incidence of post obturation pain after 1 day in zink oxide paste group was significantly higher than that two groups. the pain occurrence happened 5 or 30 days root canal filling were no difference on them.

结果 vitapex组和新型根管糊剂组术后1天的疼痛反应较氧化锌组糊剂少，且有显著性差异；5天、30天的疼痛反应则无明显差异；1年后氧化锌组的尖周愈合程度较vitapex组和新型根管糊剂组差，但已无统计学差异。

There are large number of different types of hose fitting and hose in metric system, American system and English system stocked in our company.Standing imported hose brands,such as manuli ,RIVAFLEX, AEROQUIP, BRIDGESTION ,ALFAGOMMA etc.Different types of swaged machine,pipe cutting machine,skiving machine,hose assembly machine,pressure testbed,cleaning mahine , marking machine and other equipments from German,UK, Finland ,Italy,etc.

公司备有大量不同类型的公制、美制、英制螺纹的管接头、过渡接头和胶管库存，常备的进口软管有玛努利、威瓦利、爱罗奎普、普利司通、阿法格玛、盖茨等品牌，并销售德国、法国、英国、芬兰、意大利等国家不同型号的扣压机、切管机、剥胶机、软管总成装配机、压力试验台、清洗机、刻字打标机等设备。

I is the modernization of private enterprises, a leading national institution-building, with first-class domestic advanced nodular centrifugal casting technology and the domestic rare new equipment, major equipment hot air cupola, molding machine, rotary Taiwan machine, tube cutting machine, cutting machine and hydraulic press, etc. The main products such as centrifugal cast iron pipe Ductile Iron Castings, an annual production capacity of 15,000 tons, the companys products by the most advanced laboratory and testing equipment inspected before sale, the company produces centrifugal ductile iron parts with the main strength, high elongation, engage in corrosion, anti-earthquake performance excellence.

公司是现代化民营企业，体制建设领先全国，拥有国内先进一流的离心球墨铸造技术和国内少有的新型设备，主要设备有热风冲天炉、造型机、旋台机、掏管机、切割机和水压机等，主要产品为铸铁管等各种离心球墨铸铁件，年生产能力为15000吨，本公司产品经国内最先进的化验和检测设备检验合格，然后上市销售，本公司生产的离心球墨铸铁件具有主强度，高延伸率，搞腐蚀，抗地震等优异性能。

Type of guide Loading method Block mounting direction Ball retainer Ball Cage Ball 4-way Equal Load Type Top surface mount,bottom surface mount Yes Yes LaCS is available Plate cover / steel tape is available Dust cover type Seal Resistance Value Seal types for seal resistance value Yes None Bellows 6.90 SS Dedicated cap for the LM rail mounting hole Applicable to QZ Lubricator Lubrication method Grease brand Nipple, plu...

导轨型号负荷方式滑块安装方向防止滚珠脱落用保持器球保持器滚珠 4方向等负荷型从上安装，从下装有有与LaCS配用可选用紧绷薄钢带/粘接薄钢带防尘罩形式密封垫片阻力值各种阻力值的密封垫片有无软式伸缩护罩 8.90 SS LM轨道安装孔专用防尘盖可配用QZ润滑装置润滑方式润滑脂品牌螺纹接口、配管接头。。。

Type of guide Loading method Block mounting direction Ball retainer Ball Cage Ball 4-way Equal Load Type Top surface mount,bottom surface mount Yes Yes LaCS is available Plate cover / steel tape is available Dust cover type Seal Resistance Value Seal types for seal resistance value None None None 1.80 SS Dedicated cap for the LM rail mounting hole Applicable to QZ Lubricator Lubrication method Grease brand Nipple, plumb...

导轨型号负荷方式滑块安装方向防止滚珠脱落用保持器球保持器滚珠 4方向等负荷型从上安装有有与LaCS配用可选用紧绷薄钢带/粘接薄钢带防尘罩形式密封垫片阻力值各种阻力值的密封垫片无无无 1.40 SS LM轨道安装孔专用防尘盖可配用QZ润滑装置润滑方式润滑脂品牌螺纹接口、配管接头型式 C4 有脂润滑。。。

Type of guide Loading method Block mounting direction Ball retainer Ball Cage Ball 4-way Equal Load Type Top surface mount Yes Yes LaCS is available Plate cover / steel tape is available Dust cover type Seal Resistance Value Seal types for seal resistance value Yes Steel tape Bellows 17.00 SS Dedicated cap for the LM rail mounting hole Applicable to QZ Lubricator Lubrication method Grease brand Nipple, plumbing fixture...

导轨型号负荷方式滑块安装方向防止滚珠脱落用保持器球保持器滚珠 4方向等负荷型从上安装有有与LaCS配用可选用紧绷薄钢带/粘接薄钢带防尘罩形式密封垫片阻力值各种阻力值的密封垫片有薄钢带软式伸缩护罩 17.00 SS LM轨道安装孔专用防尘盖可配用QZ润滑装置润滑方式润滑脂品牌螺纹接口、配管接头型。。。

Phages usually have complex capsids composed of a polyhedral head, containing the nucleic acid, and a helical tail, through which nucleic acid is injected into the host.

噬菌体通常由复杂的衣壳组成一个多角体的头部，包含有核酸（ DNA 或 RNA ）和螺旋状的尾管，通过这个尾管核酸可以被注入寄主的体内。

"A person has two box, a control box to speak do not speak of a pipe box, smart people know when to speak when the words should not ......"

&一个人有两个匣子，一个管说话的匣子一个管不说话的匣子，聪明的人知道什么时候该说话什么时候不该说话……&

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。