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- Stoneworts contain calcium carbonate deposits so extensive that they may form the major part of lake bottoms. 轮藻形成碳酸钙沉淀,这些沉淀可形成湖泊钙质泥灰岩的主要成分。
- The commutator surface showed black and was found with carbon deposit. 如:整流子表面全部呈黑色且积碳。
- Before this alkaline lake went dry, tufa formed when a freshwater spring percolated from below and formed calcium carbonate deposits. 在此之前,碱性湖泊变干燥,钙华形成时,当淡水泉过滤来自下面,并形成碳酸钙的沉淀物。
- There has been a long-standing controversy about the origin of manganese carbonate deposits in the Early Sinian Datangpo Stage in South China. 中国南方早震旦世大塘坡期锰矿的形成一直存在热水成因、生物成因或化学成因的争议。
- Looking back, it had been years since I had cleaned the carbon deposits, and I had not expected such a serious blockage. 检讨一下,确实有好几年没有清理积炭了,没料到会累积到这么严重的程度。
- Valve sticking. Gum or carbon deposits on the valve stem will cause valve sticking. Excessive valve-stem clearance speeds up valve deposits. 气门沾着:气门杆上的胶质或积炭是造成沾着的原因。气门杆间隙过大会加速气门的积炭。
- Carbon deposits will decrease engine efficiency, increase fuel consumption, increase octane needs, and increase hydrocarbon pollution. 增加积碳累积;减低引擎的效率;增加油料;增加燃料需求量;更加速环境污染.
- When people complain about scaling inside their water kettles, this is caused by dissolved calcium and magnesium ions forming calcium and magnesium carbonate deposits when hard water is boiled. 民众抱怨水壶产生结垢,系硬水煮沸时其溶解性钙及镁形成碳酸钙及碳酸镁沉淀物所造成。
- Protection circuit for carbon deposition prevention. 防积碳保护电路。
- Air being filtereb, no carbon deposit occurred in hot ait, thus leaving noetains even of light color leathe. 空气经过滤后,热风不会产生积碳,更适合浅色鞋覆的烫平除皱。
- Baker, R.T.K., Waite, R.J., “Nucleation and Growth of Carbon Deposits from The Nickel Catalyzed Decomposition of Acetylene,” Journal of catalysis, Vol.26, No.51, 1972. 陈绍良,“以微波化学气相沉积法成长碳奈米管之研究”,国立中央大学,
- Sodium carbonate deposits may be classified into three major types, Quaternary salt lake, Quaternarysand-covered playa and Tertiary continental detrital rock, all three having been found in China. 碳酸钠矿床有三大类型:第四纪盐湖型、第四纪砂下湖型及第三纪陆相碎屑岩型,在中国均有发现。矿床均赋存于第三纪以来(多为第四纪)陆相湖盆。
- The best rate of CeO_2 and TiO_2 is 0.5 to 0.5.(4) To add CeO_2 elevates the catalyst nature, anti carbon deposit, and stabilities. 最佳铈钛比为0.;5:0
- Its viscidity performs perfect in the conditions of high shearing and temperature, while carbon deposit is well resisted by the advanced cleaning. 它的粘度在高剪切条件下和高温条件下将保持最佳水平。其高清洁化学性阻止了发动机部件上积炭的产生。
- The effect of CeO 2 on property of Cu ZnO and its performance in CO 2 hydrogenation was investigated by means of activity test, XRD,TPR,CO 2 TPD and carbon deposit determination. 运用活性评价、XRD、TPR、CO2 - TPD和积炭测定手段 ,探讨了 Ce O2 对 Cu- Zn O催化剂性质和 CO2 加氢反应性能的影响。
- Through to the compressor carbon deposit phenomenon formation,the harm analysis,in coor with progress of production practice proposed some preventive measures. 通过对压缩机积炭现象的形成、危害的分析,结合生产实践提出了一些预防措施。
- In Bathonian , the northern and southern depression connects to a uniform basin with the falling of the central rise belt , and came to a stable evolution phase with carbonate deposit. 巴通期中央隆起带进一步下沉,南、北羌塘连成一个统一的拗陷盆地,从此沉积作用进入稳定发展阶段,形成稳定的碳酸盐岩台地沉积体系。
- Carbonate depositional environments are described, and the predictive capabilities of understanding facies belts are discussed. 描述碳酸盐沉积环境并讨论理解相带的预测能力。
- Molar-tooth Carboantes, which is a bizarrerie rock type, holds an important position in Meso-Neoproterozoic paleo-ocean carbonate deposition. 微亮晶(臼齿构造)碳酸盐岩是一种奇妙的岩石类型,在中-新元古代的古海洋碳酸盐岩沉积中占重要地位。
- This process is endothermic with rapid carbon deposition and deactivation of the catalyst. 此过程是吸热的,同时很快发生碳积沉并使催化剂活性减低。