结石形成的

Because tooth after I am thoroughly pure to brush of will have inside the half an hour the new germ spot forms, can attain the biggest quantity within 30 days, as time passes namely become tooth stone calculus.

因为牙齿在彻底清刷后的半小时内即会有新的菌斑形成，在30天内可达到最大量，久而久之即成为牙结石（就和烧水壶里堆积的软垢一样）。

A stone requires supersaturation, a nidus, and time to form Fig.

结石的形成需要经过过度饱和的过程和时间(图1)。

ESWL is an effective,economical,safe and widelyaccepted means of treatment for urolith,but attention must be paid to certain situations of some patients,in order to avoid the formation of stone-street complication.

ESWL是治疗泌尿系结石的有效方法，经济安全，易被患者接受，但要注意病例的选择，避免"石街"形成。

To evaluate the effects of the active constituents of Alisma Orientalis on the expression of bikunin in a rat urolithiasis model, and to explore the mechanism of this traditional Chinese medicine on the prevention and the cure of urinary calculi.

目的研究中药泽泻活性成分对结石模型大鼠肾结石形成和bikunin表达的影响，以探讨泽泻防治草酸钙尿石症的作用机理。

5 To prevent the formation of urinary calculi,especially in cases where they tend to recur.

用于预防尿路，特别是易发部位的结石的形成。

To prevent the formation of urinary calculi,especially in cases

用于预防尿路，特别是易发部位的结石的形成。

Obstruction also predisposes to infection and stone formation, and infection occurring with obstruction leads to rapid kidney destruction.

梗阻也可以使肾脏易于感染和形成结石，而发生于梗阻的感染则可加速对肾脏的破坏。

Advanced gout. Untreated gout may cause deposit of urate crystals to form under the skin in nodules called tophi.

痛风的演进：未经治疗的痛风会使皮肤下沉积尿酸结石从而形成结节，成为结节瘤。

Urologists often suggest drinking plenty of water to help flush minerals from the kidneys to prevent stones from forming.

泌尿学医师经常建议患者多饮水，这样有助于冲掉肾脏中的矿物，阻止结石的形成。

Increased levels of physical exercise also may be an important way to reduce your risk of forming gallstones.

增加体育锻炼也可能是一个重要的方式来减少你的风险，形成胆结石。

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。