切缝

By applying in seven spot, the directional control blasting technology by using slotted cartridgc has been confirmed that can increase the distance of hole in perimeter 50% on present basic, the ratio of half hole scar to 85%～95%, and the utilization ratlo of shot hole 10%.

通过在山东、山西、安徽、河南等省的七个矿区现场应用，证实了采用切缝药包定向断裂控制爆破技术，可使周边眼间距在现有基础上增加50％以上，周边眼的炸药单耗降低30～50％；循环炮眼数减少15～25％；炮眼利用率提高了10％以上；半眼痕率提高到85～95％；周边不平整度小于100mm，这一指标是目前国内外岩巷生产中最佳指标；每米岩巷掘进成本可降低200元以上，展现了定向断裂爆破技术广阔的应用前景。

High-pressure water jet cutting has advantages of narrow cuts,no thermal stress,dustless and cutting any materials.

高压水射流切割具有切缝窄、不产生热应力、无粉尘、几乎可切割任何材料等优点。

The mechanism of electromagnetic leakage is analyzed, and then the slotted shielded-twist-pair is regarded as a cascaded network.

分析了切缝屏蔽双绞线的电磁泄漏机制，并把其等效为级联网络。

Twelve big series of products taking form at present already with"Yongfu" for the brand have been formed, and main products include cutting machine ,grooving machine, dinking machine, bending machine, bar straightener , battering ram, frog rammer, trowelling machine and concrete mixer, construction winch lighting vehicle.

目前已形成以&永福&为品牌的十一大系列产品，主要产品有：切割机、切缝机、切断机、弯曲机、调直机、冲击夯、蛙式夯、抹光机、圆锯机、卷扬机、搅拌机、等系列产品。

In this paper author describes the result of an experiment which illustrates the effect of laser beam incident angle on laser cutting quality.

研究了激光入射角对薄板切割质量的影响，结果表明，在一定条件下，激光束不垂直工件表面时，仍可以获得切缝细、挂渣少的切割效果。

Mechanism of rock cutting seam cartridge blasting is introduced.

分析和讨论了切缝药包定向断裂控制爆破作用机理，及其与光面爆破的对比试验。

Results In the cases, 110 cases of low anal fistula were cured by incision-suture plus internal opening drainage with2 recurred; 50 cases of high anal fistula were treated by incision and thread drawing with 1 recurred, The average length of stay in hospital is 2.8 days.

结果 本组病例中低位肛瘘110例采用切缝内口引流术，高位肛瘘50例则采取切开挂线术，均治愈。前者复发2例，后者一例。

Methods:from april 2000 to june 2004, 135 cases with complex anal fistula were analyzed respectively who were treated by incision and thread drawing, incision suture of internal opening plus drainage, fistulectomy and primary suture, fistulotomy.results:all cases were followed up for 5 to 10 months(average 7.2 months).

回顾性分析2000年3月至2004年12月复杂性肛瘘患者135例，分别进行切开挂线术、切缝内口引流术、瘘管摘除缝合术、瘘管旷置术等不同手术方法的处理。

Methods:From April 2000 to June 2004, 135 cases with complex anal fistula were analyzed respectively who were treated by incision and thread drawing, incisionsuture of internal opening plus drainage, fistulectomy and primary suture, fistulotomy.Results:All cases were followedup for 5 to 10 months(average 7.2 months).

回顾性分析2000年3月至2004年12月复杂性肛瘘患者135例，分别进行切开挂线术、切缝内口引流术、瘘管摘除缝合术、瘘管旷置术等不同手术方法的处理。

Cases treated by incision and thread drawing with 1 recurred(average healing time 20.22±5.24 days); 32 cases by incision suture plus internal opening drainage with 3 recurred(average healing time 22.84±6.66 days); 34 cases by fistulectomy and primary suture with 5 recurred( average healing time 25.56 ±7.51 days);32 cases by fistulotomy with 6 recurred(average healing time 30.43±10.72 days).

结果：随访5～10个月(平均7 2个月)，切开挂线术37例，复发1例，平均愈合时间(20 22±5 24)d；切缝内口引流术32例，复发3例，平均愈合时间(22 84±6 66)d；瘘管摘除缝合术34例，复发5例，平均愈合时间(25 56±7 51)d；瘘管旷置术32例，复发6例，平均愈合时间(30 43±10 72)d。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。