Development and Evaluation of a Blackening Agent of Iron and Steel at Room Temperature
钢铁常温发黑液的研制与评价
Ambient Temperature Parkerizing and Blackening Technique for Ferrous Metals
黑色金属常温磷化发黑
A disease blackening the leaves of pear and apple trees.
使梨树或苹果树叶子发黑的一种病。
The solid decomposed rapidly with blackening.
固体迅速分解并变暗。
Control step in the process of blackening at nomal temperature
常温发黑过程中的控制步骤
Study of selenium free blackening of iron and steel at room temperature
钢铁常温无硒发黑工艺的研究
A test of lower middle temperature blackening on steel part was introduced.
介绍了钢铁件低中温发黑工艺试验。
That it would shower, with a sky so full of blackening thunderclouds, would scarcely be thought worthy of comment.
一片乌云密布的天空会下雷阵雨, 这一点是不言而喻的。
The corrosion resistance of blackening film has good reliability through the test of copper sulfate intravenous drip.
经硫酸铜点滴实验，表明发黑膜具有可靠的耐腐蚀性
The Mechanism of Blackening and Stink and Effects of Resuspended Sediments on Suzhou Creek Water Quality
苏州河水体黑臭机理及底质再悬浮对水体的影响
Currently, water blackening and smell is one of important subjects about water environmental research and monitoring.
水体黑臭是当前水环境研究和监控得重要课题之一。
The output signal from the detector may be the blackening of a photographic emulsion.
探测器得输出信号可以是照相乳胶得黑度。
A hymn to my wandering light Blackening sun, emptiness
一首关于蜿蜒之光，黑暗的太阳和虚无的赞美诗
Quite significantly, there was no blackening of the emulsion at the mirror's surface.
十分引人注意地，在反射镜表面的乳胶没有变黑。
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