水门

Objectives: To study the effect of the particle sizes and distribution of the glass powder on the mechanical properties of glass ionomer cement.

目的：研究玻璃微粉粒径及分布对玻璃离子水门汀机械性能的影响。

This article reviews the margin fit of conventional and modified glass ionomer cement in dental clinical practice.

现就传统型和改良型玻璃离子水门汀及其在不同口腔黏结修复应用中的边缘封闭性进行综述。

Objective To study the tensile and shear bond strength of resin-reinforced glass ionomer cement on orthodontic brackets .

目的研究光固化树脂加强型玻璃离子水门汀黏结正畸托槽的即刻剪切强度。

Therefore, many alternative materials have been introduced and glass ionomer cement is one of them.

因此，多种替代材料相继出现，玻璃离子水门汀(glass ionomer cement，GIC)便是其中之一。

With the development of material science,there are more kinds of Modified-Glass ionomer Cement suit for dental clinical practice.

随着材料学的发展，出现了更适于临床应用的改良型玻璃离子水门汀。

Objective: The purpose of this study was to investigate the influence of phosphate content in the glass on the formation of glasses ionomer cement.

目的：研究玻璃组成中磷含量对玻璃离子水门汀固化过程的影响。

Glass ionomer Cementis widely used in dental clinical practice as a kind of dental restorative and adhesive material.

玻璃离子水门汀作为齿科充填和黏结材料，以其优良的性能在口腔临床得到广泛应用。

Titanium alloy and dentin specimens were bonded with KetacTM Cem Easymix ionomers. All bonded specimens were stored for 24 hours at 37 ℃. The microtensile bond strength was measured through the use of universal testing machine. The fractured surface of titanium alloy was observed under scanning electron microscopy.

利用Ketac TM Cem Easymix玻璃离子水门汀将打磨后的钛合金铸件和牙本质粘接，经 37 ℃恒温水浴24 h后，用万能试验机检测其微拉伸粘接强度，然后在扫描电镜下观察粘接断面形态。

According to historical records, the original Watergate copper gate, together weighing heavy, gatehouse surrounded by four stone on stone block, connecting the lever to lift the gate free.

据史料记载，水门原有铜闸一道，重达千斤，门楼上四面有四个大石礅，连通杠杆，可自由升降闸门。

The bridge had crossed over the penstocks at a point where the road clung to an almost sheer cliff.

水门大桥就横跨在这四根大水管上，大桥附近的公路几乎就是盘旋在悬崖峭壁上。

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。