Measures were taken to prevent welding cold cracking such as improve welding technology by decreasing cooling speed and adopting low-hydrogen electrode, etc.
通过改进焊接工艺来降低冷却速度和采用低氢型焊条等措施来控制焊接冷裂纹的产生。
The creature oil is a fuel of environmental protection, it is produced with straw material, using the crafts of the hot cracking and liquefying etc.
生物质油是用秸杆作原料，通过热裂解、液化等工艺而生产的环保型燃料。
The results showed that under certain condition, the trend of the properties of Kaolin Clays, such as surface area, pore volume, pore size distribution and cracking activity etc.
在不同的温度、时间、酸浓度等条件下，用不同的无机酸对高岭土进行改性处理，考察其改性后的比表面、孔容、孔径分布及裂化活性的变化。
The frequent cracking in U-tube heat exchanger caused by corrosion at Lanzhou Petrochemical Corporation were analyzed in terms of materials, running conditions, overhaul operation etc.
对哈氏合金U形管换热器频繁出现的腐蚀断裂问题，从材质、运行工况等方面进行了分析，采取了更换材质等防腐技术措施，收到了很好效果。
It can be used as catalyst or catalyst carrier for dewaxing via isomerization, selective hydrogenation, cracking, condensation of alcohol and aldehyde, etc.
可在异构脱蜡、选择性加氢及裂化、醇醛缩合等反应中用作催化剂的活性组分和载体。
It has been applied to simulation training systems of the hydrogen cracking, hydrogen-making, and platinum reforming etc., and the satisfied effects are obtained.
将该算法应用于加氢裂化、制氢、铂重整等工业过程的仿真培训系统，取得了满意的效果。
The geological failures such as mountain cracking, rock collapse and landslide etc. are caused by mining.
采矿引起山体开裂、岩崩、滑坡等环境地质灾害。
The reinforcement aims at the structure distortion, basement leakage, destruction of the establishments, maintenance of sluices and their opening and closing equipment, concrete surface cracking, etc.
病害加固措施包括结构变形处理、地基渗漏处理、上下游消能防冲设施破坏的处理、闸门及其启闭设备的维护加固、混凝土表面劣化处理等方面。
The reinforcement aims at the structure distortion, basement leakage, destruction of the establishments, maintenance of sluices and their opening and closing equipment, concrete surface cracking, etc.
病害加固措施包括结构变形处理、地基渗漏处理、上下游消能防冲设施破坏的处理、闸门及其启闭设备的维护加固、混凝土表面劣化处理等方面。
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