粘土的

So the springback of sand mold has been one of the important factors that affect the quality and accuracy of casting.

所以很有必要对高紧实度造型用湿型粘土砂的回弹机理进行深入地研究。

The effect of three common hydro-chemical factors,such as univalent cation concentration(Na+ ion concentration),bivalent cation concentration(Ca2+ ion concentration) and pH value on clay particles releasing in sand column was studied through batch test.

通过批量试验，对一价阳离子浓度，二价阳离子等，浓度(Ca2+浓度)和pH值三个最常见水化学因素对砂柱中粘土颗粒释放的影响进行了研究。

Production company HT150 | HT200 | HT250 | HT300, and other brands of casting, the existing plant and resin sand Clay workshop sand and resin sand with three production lines.

公司生产HT150|HT200|HT250|HT300等各种牌号的铸件，现有树脂砂车间和粘土砂车间，并具有三条树脂砂生产线。

Then there was Clay Watson getting Bradley Morton to ground out on a 3-2 pitch with the bases loaded in the 10th.

然后有粘土沃森越来越布拉德利莫顿至地面上的3月2日沥青与基地装货，在第十。

Clay that does not contain any iron; used in making pottery or for modeling.

不含铁的粘土，用于制陶或建模。

Sedimentary rocks and clays have long been thought to be the most promising place to look for life on Mars.

长期以来，科学家便相信沉积岩和沉积粘土是寻找火星生命迹象的最理想所在。

Guizhou region is the red clay of the region is widely distributed.

贵州地区是红粘土广泛分布的区域。

In order to study water characteristics for clay soils in north and south regions, Lou soil in the north and Red soil in the south were chosen. The retention curves and saturated hydraulic conductivities were measured and infiltration experiments were conducted by double-cycle type of infiltrator.

为了研究南北方粘质土壤的水分特征，选择北方塿土和南方红壤典型粘土，测定其持水特征和饱和导水率，采用双环入渗仪进行入渗试验。

The lubricants of casting mold used in green sand transfer coating were investigated under impact pressure casting.

在气冲造型条件下对粘土砂转移涂料的脱模剂进行了研究。

Therefore, the composite liner should be significantly better than the geom. embrane liner and the CCL as an engineered hydraulic barrier. However, close contact between the geom.

因此， 复合衬层在防止渗滤液和污染物泄漏方面较土工膜衬层和压实粘土衬层具有明显优势，可作为卫生填埋场防渗衬层的优先推荐结构。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。