石膏

PURPOSE: The objective of this study was to survey the amount of working cast model of denture restoration, and to calculate the amount of die stone powder of each working cast model, then to classify the working cast model, with the expectation to perfuse the working cast model in clinic according to this classification, and to achieve the goal of increasing quality of working cast model and saving materials.

目的：通过测量义齿修复工作模型重量，计算各模型所含超硬石膏粉的用量，再按其粉用量，对义齿修复工作模型进行统计学分类。

After removal of gypsum fixation and a period of function exercising,all patients could lift heels effectively with no pain and claudication,The total excellent and fine rate of this method is 91.3%.

患者去除石膏外固定后，进行功能训练后均提踵有力无疼痛及跛行，优良率达91.3%。

Salicylic acid and other wart treatments also destroy healthy skin so it is important to protect the skin around the wart - use petroleum jelly or a corn plaster to cover it.

水杨酸和其他疣的治疗也破坏健康的皮肤，所以这是很重要的，以保护周围的皮肤疣-使用石油果冻或玉米石膏，以支付它。

The phosphate rock is treated with phosphoric acid and, in the manufacturing process, the gypsum is removed.

在加工过程中用磷酸对磷酸盐矿石进行处理，去除石膏。

The first type is different kinds of rocks including sedimentary rock, metamorphic rock and volcanic rock among which black mudstone, black shale, clay, slate, phyllite, granite, basalt, andesite and volcanic ash are the best except some chemically depositional rock such as salt rock, gypsum, limestone.

第一类是自然界各种不同类型的岩石，包括沉积岩、变质岩和火山岩，其中以黑色泥岩、黑色页岩、粘土、板岩、千枚岩、花岗岩、玄武岩、安山岩及火山灰为最佳，但不包括某些化学沉积岩，如盐岩、石膏、石灰岩。

He had a plaster cast on his leg.

他的腿上了石膏。

For example, a plaster cast may make it difficult for you to control a vehicle.

例如，石膏可能让您不方便去控制车辆。

Ex:I have to wear a plaster cast on my arm because I fracture d it.

我的手因为骨折而必须打上石膏。

It is used in medicine tostraighten and align broken bones that are too difficult to align with a plaster cast.

这是用在医药，以端正和统一骨折，是太困难，以配合石膏。

She made a plaster cast of a bust of Lincoln.

她用石膏塑造了一座林肯半身像。

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。