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"We suggest a regular, simple urethral dilation protocol for patients with recurrent bulbomembranous urethral stricture shorter than 2 cm, because this significantly allays the stricture recurrence rate, possibly eliminates the need for consecutive DVIU, and reduces morbidity," the authors write.

作者认为，对复发bulbomembranous的尿道狭窄小於2 公分的患者，最好有一个常规且简单的尿道扩张方法，因为可以显著减少尿道狭窄的复发率，可能还可以减少DVIU治疗的次数而减少发病率。

"We suggest a regular, simple urethral dilation protocol for patients with recurrent bulbomembranous urethral stricture shorter than 2 cm, because this significantly allays the stricture recurrence rate, possibly eliminates the need for consecutive DVIU, and reduces morbidity," the authors write.

作者认为，对复发bulbomembranous的尿道狭窄小于2 公分的患者，最好有一个常规且简单的尿道扩张方法，因为可以显著减少尿道狭窄的复发率，可能还可以减少DVIU治疗的次数而减少发病率。

Among them,them of chickens treated with 10KV HVEF increased more significantly than other groups chickens;But the numbers and proliferative function of B lymphocyte in caecal tonsil and gland of Harderchickens treated with 20KV HVEF reduces more significantly than other groups chickens.

其中，10KV高压静电场照射雏鸡盲肠扁桃体和哈德尔氏腺B淋巴细胞增殖功能增强最显著，数量也增加也最为明显；而20KV高压静电场照射雏鸡盲肠扁桃体和哈德尔氏腺B淋巴细胞增殖功能降低最明显。

The effect of zeolites ion-exchanged by transition metals on thermal catalytic cracking reaction is studied. The product distributions of the cracking reactions catalyzed by theβor ZSM-5 zeolites exchanged with transition metals are different from that catalyzed by corresponding Hzeolites, which means the mechanism of cracking reactions has varied. Group Ⅷ metals Fe, Co, Ni and Cu, Zn are shown to be of strong catalytic activity of oxidative dehydrogenation, while Ti and Cr are not of oxidative activity. Catalyzed by zeolites or catalyst containing Ag, conversion of thermal catalytic cracking reactions and the yield of ethylene increase while the yield of propylene does not decrease. Silver can not only promote the formation of carbonium ion, but also convert carbonium ion into free-radical via redox reaction. The weak adsorption of olefins on silver reduces the occurrence of hydrogen transfer and dehydrogenation. As a result, the yield of light olefins is favored by silver in the catalyst.

采用过渡金属交换的分子筛作为催化剂，进行催化热裂解制取乙烯的反应，研究发现，在β沸石分子筛和ZSM-5分子筛中引入过渡金属后，催化热裂解反应的产物分布与相应的氢型分子筛相比有了较大的变化，说明过渡金属的加入对于催化热裂解反应的机理具有影响，Ⅷ族金属如Fe、Co、Ni和第Ⅰ、Ⅱ副族Cu、Zn表现出较强的氧化脱氢活性，产物中氢气、焦炭的产率很高，Ti、Cr则未表现出氧化作用：分子筛及催化剂中引入银后，催化热裂解反应的转化率和乙烯的产率有了提高，丙烯产率没有很大的变化，说明银在催化热裂解反应中能够促进正碳离子的生成，又有可能通过氧化-还原作用部分改变反应机理，促进了自由基的生成，并且由于银对烯烃的吸附很弱，其氢转移反应和脱氢、加氢活性比较低，有利于烯烃产率的提高。

Application of cardiotomy suction relief valve reduces the negative pressure of cardiotomy suction, consequently prevents endocardium and red blood cell from hematoclasis and endocardium damage.

心内吸引减压阀可减小体外循环心内吸引管内的负压，减轻红细胞破坏和心内膜伤害，有保护心内膜以及红细胞的作用。

When the cultures of Trichoderma isolates which possess the stronger antagonistic ability to S.sclerotiorum are introduced into the soil, the sclerotia burried in this soil is to decay six months later, the carpogenic germination of sclerotia that has not decayed reduces sharply.

将拮抗作用强的木霉菌株培养物导入土壤后，埋入土壤中的菌核多数将发生腐烂，即使未腐烂的菌核其产子囊盘萌发能力也大大降低。

Pain Suppression is castable on a friendly target, it reduces the target's threat by 5% and reduce the damage it takes by 40%.

痛苦压制现在可以释放到友军，它减少目标5%的仇恨同时减少40%所受伤害。

The most heavy flow ability of barrage swirl is controlled by fastenning device and barrage size, the most heavy discharge is more when barrage aperture is bigger, the influence of barrage position on discharge is not obvious; The pressure of the end of the shaft and fastenning device increases which aroused by barrage, and there is a restraining action to flow waving of the shaft; The barrage aperture is smaller, the increase of pressure is heavier, the influence of position to the increase of pressure is not obvious; The positive pressure of the level section in the hole between fastenning device and barrage increases obviously, the change of press along length reduces, mural press in the hydrosphere separating area of outlet of fastenning device becomes positive pressure, which is propitious to the increase of flow cavitate number in the low pressure area of the outlet of fastenning device; The influence of change of swirl cavum diameter caused by barrage to ventilating state is obvious.

阻塞旋流最大泄流能力由起旋器及阻塞体型共同控制，降低了泄洪洞的泄流量，孔径大的阻塞最大下泄流量较大，阻塞位置对泄流量的影响不明显；阻塞引起竖井及起旋器端头压力增大，对竖井部分的水流波动具有抑制作用；阻塞孔径越小，压力增加越大，位置对压力增大影响不明显；起旋器与阻塞之间水平洞段的止压力明显增加，沿程压力变化减小，起旋器出口的水气分离区壁面压力变为正压力，有利于起旋器出口低压区水流空化数的提高；阻塞引起的旋流空腔直径变化对通气状态产生明显影响。

The macroscopic shrinkage of cementitious materials often causes cracking when it is used as paving material and reduces its durability.

水泥基路面材料在使用过程中常会发生明显的体积收缩趋势，在结构中引起收缩裂缝，降低路面结构耐久性。

With chapped hands, the biggest problem is that the chapping further reduces your skin's moisture retention capacity.

与皴的双手，最大的问题是，你节节进一步降低皮肤的保湿能力。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。