结石形成

Calculus — If left alone long enough, plaque begins to mineralize and harden into calculus or tartar because the plaque absorbs calcium, phosphorus and other minerals from saliva.

牙结石—如果菌斑呆的时间足够长，它就开始矿化变硬形成牙石或牙垢，因为菌斑从唾液中吸收了钙，磷和其他矿物质。

Factors affecting cholesterol monohydrate crystal nucleation time in model systems of supersaturated bile.

模拟胆汁体系中胆固醇结石中的细菌对胆固醇晶体形成作用的研究。

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)。

Can form prostate all round phlogistic or abscess, and can defeat;burst;ulcerate;fester to urethral, prostate stone amount is indeterminate, little criterion, many hundreds, size is 1mm-4cm.

可形成前列腺周围炎或脓肿，且可破溃至尿道，前列腺结石数目不定，少则一个，多则数百，大小为1mm%26mdash；4cm。

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。

Based on the train of thought of bionics,the present paper,by utilizing sedimentary oolites, oncolites and concretes,has made a comperative study on structures,composition and formation conditions of four common urolith stones.

本文从仿生学的思路出发，将几种沉积鲕石、核形石、结核等从其结构、成分和形成条件等方面与四种常见尿路结石进行对比研究。

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。

Preliminary work suggests that lattice crystals composed of melamine and cyanuric acid, and possibly other substances, form in the kidney.

初步工作表明，肾脏里形成的结石晶体的晶格是由三聚氰胺和氰尿酸，以及可能的其他物质构成的。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。