煅烧的石膏

SO3 is fixed in ashes at 850~900℃, and it exists in Ⅱ-CaSO4 and has different solubility with the natural anhydrite and the plaster calcined at 400℃.

SO3是在850~900℃的温度下形成的，是以Ⅱ-CaSO4形态存在，且具有与天然硬石膏和400℃煅烧石膏不一样的溶解特性。

The chemical activating mechanism of UA is that CG can stimulate pozzolanicity more effective than gypsum because of higher solubility and looser crystal structure; but CG has poor property on retardation setting, and this shortage can be solved by mixing with gypsum; CS can offer alkali activity, which can depolymerize silica and aluminum glass, and benefit for other activity methods and overcome the disadvantage of HF on setting time; Sodium sulfate improves early strength greatly but loses the final strength. NF can improve both early and final strengths.

联合激发技术的化学激发机理是，煅烧石膏溶解度高及晶体结构松弛，比天然石膏的活性激发效率高，但降低石膏的缓凝作用，与天然石膏混合既可提高活性又能保持缓凝作用；干法电石渣提供碱激发，促进高钙灰中硅、铝玻璃体解聚，并克服高钙灰对凝结时间的不利影响；硫酸钠虽然早强作用明显，但使后期强度倒缩，NF使各龄期活性都得到提高；磨细的物理激发使高钙灰大颗粒中的CaO和富集碳组分被磨细、分散，活性增加而危害性降低。

CaO,SO3 in the clinker and the granularity,specific surface area,granulometric grading,admixture,plaster of cement,these factors will all effect the ISO cement strength,so we have a systemic and optimizing subject.

CaO、SO_3微量组分，煅烧温度，以及水泥制备中的细度、比表面积、颗粒级配、混合材、石膏等对水泥ISO强度都有影响，因此这是一个系统的优化的课题。

The fields of application of calcined FGD gypsum were gypsum wallboard,building plasters,self-leveling floor plaster,etc;The fields of application of uncalcined FGD-gypsum were cement, agricultural soil amendment, etc.

经煅烧的脱硫石膏的应用领域主要有：石膏墙板、建筑灰泥、自流平地板灰泥等；未经煅烧的脱硫石膏的应用领域主要有：水泥、农业土壤改良等。

And under the action of compound activators, it can react directly with slag and sand to produce environment-protecting cementingmaterial with 28d compressive strength above 30Mpa and various kinds ofconstruction products.

本研究由于不需要对磷石膏进行水洗、煅烧等预处理，在复合激发剂作用下可直接与矿渣、砂等作用，生产出28天抗压强度大于30MPa环保型胶凝材料和各种不同的建筑制品，不仅节能，而且不产生二次污染。

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。