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- Clean process of animal protein glue mold and core sand foundry. 铸造动物蛋白质胶型芯砂的清洁生产工艺。
- Title： Clean process of animal protein glue mold and core sand foundry. 关键词：铸造;型芯砂;动物胶;清洁生产工艺
- The results show that air permeability coefficient of Al-foam, which is greater than common sand mound's, is influenced by pore structure and increase when pore diameter and porosity are increased. 试验结果表明其透气系数远大于一般砂型透气系数,并且受孔径和孔隙率的影响,增加孔径和孔隙率有利于增加透气系数。
- Does the supplier have an established Sand Control procedure to control molding and core sand mixes? Especially for grain size and sand moisture. 工厂是否制定了型砂的控制程序来控制造型和制芯的混砂过程?尤其是砂的粒度和含水量?
- The core sand binder can be characterized with higher strength, easy collapsibility, better gradation and l ess cost, hence it is particularly suitably used in non-ferrous metal castings. 它的主要特点是：强度高、散性好、毒、污染、本低，特别适用于低熔点的铝、合金及铸铁件的生产。
- Based on the pouring test anavailable additives and the composition of core sand which can efficiently eliminate the veining defect in pin holes ofSi-Mn cast steel crawler plate is obtained. 得到了能够有效地消除硅锰钢履带板销孔毛刺的芯砂附加物及合适的芯砂配方。
- We filtrate the raw material, adopt orthogonal experiment to determine proportional. The results show that the core sand adhesive has excellent technological property, and has no pollution. 采用正交试验设计找出最佳制备条件,对原材料进行筛选,确定工艺配比。实验结果表明,采用膨化、交联技术制造的砂芯粘结剂具有优良的工艺性能,对环境无污染
- The elms and willows that grow around the sand mounds form a natural ecological system for bird and plants. 水到处蒲草苇花，沙隔处黄榆杨柳，形成了天然的生态复合系统。
- There are grasses and reeds everywhere.The elms and willows that grow around the sand mounds form a natural ecological system for bird and plants. 水到处蒲草苇花，沙隔处黄榆杨柳，形成了天然的生态复合系统。
- The wind swept up the sand into a mound. 风把沙子吹拢成一个小丘。
- Research and Application on Starchy Binder for Core Sand 砂芯用干粉粘结剂的研究与应用
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- Effect of Clay Content and Core Sand on the Quality of Clay Sand 泥分、芯砂混入对粘土型砂质量的影响
- Ouch! The sand is so hot! I can burn my feet. 哎哟！沙子这么烫！会烫伤脚的。
- The sand blew into the food and made it gritty. 砂吹进食物中，里边尽是砂子。
- A mound of soil, sand, or dirt formed by ants or termites in digging or building a nest. 蚁冢，蚁垤蚂蚁、白蚁为挖穴或筑巢而刨出的小土堆或沙堆
- This concept is at the very core of her theory. 这个概念是她理论的核心。
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- Research on New Core Sand Process of Scale and Side-frame 铸钢摇枕、侧架新型芯砂工艺试验
