Changes of Photosynthetic Characteristics in Leaves of Jussiaea repens to Waters with Different Eutrophica Level;
水龙在不同富营养水体中光合特性的变化
"Qingming Shanghe Tu" in Ba and Yu——A Preliminary Study of Chongqing Folk Culture in the First Half of Twentieth Century in Novel Shuilong by Wang Yu;
巴渝大地上的“清明上河图”——长篇小说《水龙》中蕴含的20世纪上半叶的重庆民俗文化
Removal of Nitrogen and Phosphorus in Eutrophic Water by Jussiaea stipulacea Ohwi;
黄花水龙对富营养化水体中氮磷去除效果的研究
Quantity-to-quality depurative effects of float grass Jussiaea stipulacea Ohwi in treating nutrition-enriched fry culturing water;
黄花水龙浮巢净化富营养化水体
Study of Allelopathic Effects of Jussiaea stipulacea Ohwi on Microcystis aeruginosa and Application in Field;
黄花水龙克藻效应的研究及其野外应用
Swivel packing seal assembly is the key of the swivel, whose function directly influences its service life, further more, and affects the drilling speed.
盘根密封是水龙头的关键环节,其性能直接影响水龙头的寿命和钻井速度。
The wash pipe packing of drilling swivel showed wear-and-tear continually in drilling process due to its structural design.
钻井水龙头由于结构设计的原因,冲管盘根在钻井过程中不断磨损,特别是在高压泥浆的作用下,盘根密封常常被破坏。
The mean value of work loads on a shaft bearing of swivel and rotary table is determined by basic principles of fuzzy theory, considering the loads' fuzziness and the requirement for reliability.
考虑钻机水龙头和转盘主轴承工作载荷的模糊性及可靠性要求，应用模糊数学基本原理求得平均计算载荷，从而计算出主轴承的模糊可靠性寿命。
Effects of Cast Iron and Chromeplate Tap on Over Night Tap Water Quality;
铸铁和镀铬水龙头对过夜自来水水质的影响
Human-computer interaction problem of tap was discussed from the two aspects: switch device design and flowing angle design.
从开关装置设计和出水角度设计两方面探讨了水龙头的人机交互问题。