, 2013 融雪期土壤下渗对于融雪产流有重要意义.土壤下渗率的模拟可以为融雪径流模拟提供必要的参数,能够更精确地对融雪期洪水进行预报.在研究过程中,通过融雪期对土壤湿度、温度的观测及设置的下渗实验获取的数据,利用Excel、SPSS等统计软件对数据进行综合处理,并对结果进行制图、制表.结果表明:土壤湿度和土壤温度对融雪水下渗有显著影响;冻土中冰的存在对下渗的阻碍作用很强,冰融化后可以增强融雪水的下渗;在融雪期,实验得到的下渗率模型的模拟精度高 ...
王慧 +7 more
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[Post-aging comparative study of snowplow and conventional techniques for the resin restoration of defective primary teeth]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiHan M +5 more
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[Long-term prognosis and influencing factors of anterior composite resin restoration]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiChen W, Wu F, Wei X.
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[Central Nervous System Infection After Neuroendoscopic and Microscopic Combined Hematoma Removal: Risk Factors and Construction of a Nomogram Prediction Model]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanLiang D, Zhou K, Shu B.
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[Effectiveness of percutaneous endoscopic technique in treatment of intraspinal cement leakage after percutaneous vertebroplasty]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2017 Yu Q +5 more
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[An integrated electrical stimulation-drug iontophoresis-monitoring system for tendon injury repair]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiRui B, Guo X, Zhou Y, Zhuang C, Liu C.
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, 1998 基于岩石力学与渗流力学理论，考虑到油藏中多相渗流的特点以及渗流与应力的耦合效应，建立了油藏多相渗流与应力耦合分析模型，研究了渗流与应力的耦合规律，给出了实现耦合分析的方法与步骤 ...
冉启全, 顾小芸
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[Association between adverse outcomes during hospitalization and early postnatal weight changes in term appropriate-for-gestational-age infants with early-onset sepsis]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiZeng SC, Zhou XL, Xiang LL, Hua ZY.
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, 2019 本发明提供了一种适用于多规格超低渗岩心的气测渗透率岩心夹持系统，包括一端开口的围压腔，和安装在围压腔内的渗透腔，渗透腔包括两端开口的筒形皮套和分别封闭皮套下游端的密封堵头，和活动封闭围压腔开口一端的底盘，以及一端与密封堵头上的出气道焊接连接另一端由底盘穿出的排气管。本发明可以保证测量大直径样品时尽可能减少漏点，同时，测量小直径样品时，通过O型圈和螺纹密封，装配方便的同时也能保证很好的密封效果。由此，实现两级或多级直径的配套使用，无需增加额外的堵头和体积，减少了堵头和排气管连接的重新拆装和安装 ...
江文滨 +4 more
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