Natural and artificial weathering test are general methods that determine weathering properties of polymer.

Study on Weathering Exposure and Artificial Weathering Tests for Polyester Powder Coatings

聚酯粉末涂料的大气暴露试验与人工加速试验研究

Contamination resistance is 14.5% and artificial weathering resistance is 1 000 h.

其耐沾污率为14.5%，耐人工老化性通过1000h。

Artificial Weathering Tests of Alkyd and Polyurethane Coatings Systems

醇酸体系和聚氨酯体系人工老化测试分析

Artificial Weathering Test of Automobile Inner Materials

汽车内饰材料的人工老化试验

On the Operation Cost Management on Artificial Aggregate Processing System

人工砂石料加工系统运行成本管理的探讨

Experimental Study on Abrasion Resistance of Artificial Aggregate and Impact Resistance of Concrete

人工骨料耐磨性及混凝土抗冲耐磨性能试验研究&以溪洛渡水电站为例

Selection of breaking equipment for Jiangkou artificial aggregate system and architecture comparison

江口人工砂石系统破碎设备选型及工艺比较

Application of cave blasting technology to raw material quarrying for artificial aggregate processing system

硐室爆破技术在人工骨料加工系统毛料开采中的应用

Study of the intelligent design system for artificial aggregate processing system

人工砂石料智能设计系统研究

The correlation coefficient between content and aggregate score is 0.17-0.74, the correlation is significant.

项目与总分之间的相关系数在0.17-0.74之间，且相关显著

The aggregate score was 2-2.

两队总比分为2比2。

Barcelona advanced to the final on Tuesday with a 5-3 aggregate score after the away leg.

周二，巴萨又以5：3大比分进入决赛。

The Social Progress Index sums all this together using 52 indicators to create an aggregate score on a scale of 0 to 100.

“社会进步指数”用52个指标把这些都集中到了一起，算出了一个百分制的总分。

Fly ash and slag air brick has many advantages such as low cost, light mass, high strength, low coefficient of heat conduction, and resist frozen.

粉煤灰炉渣空心砖具有成本低，质量轻，强度高，导热系数低，抗冻性好等优点。

Construction and Performance Demand of Fly Ash Modulus Air Brick Masonry

粉煤灰模数多孔砖砌体的性能与施工要求

The Application of Concrete Air Brick with the Development of Wall Materials

从墙体材料的发展谈混凝土空心砖块的应用

Study of Air Brick Building Microwave Absorbing Materials Filled with Perlite

珍珠岩填充空心砖建筑吸波材料的研究

Air brick manufacturing process with mobile tunnel brickkiln and its raw material handling system

移动式隧道窑空心砖制造工艺及其物流输送系统

Prevention and cure of powder coal ash air brick Wall with crack-hollow

粉煤灰空心砌块墙体饰面裂缝&空鼓的防治

Discusess that seizing a golden opportunity no produced and used solid chamotte, making use of the refuse resources, produces new construction material such as refuse air brick, etc.

论述抓住禁止生产和使用实心黏土砖的机遇，利用煤矸石资源性的因素，生产煤矸石空心砖等新型建材。