Shuitu Baochi Xuebao目的 明确冻结作用对沙丘土壤可蚀性及抗蚀性的影响，可加深黄河乌兰布和沙漠段冬季风沙入黄过程机理的认识，并为区域入黄沙量建模与估算提供重要科学依据。方法 通过流动沙丘迎风坡表层干沙、湿沙及冻结土层的沙粒粒径筛分试验和不同水分冻结前后的土壤进行抗剪强度测试，研究沙丘土壤冻结后抗风蚀能力。结果 沙丘不同坡位沙粒在水分的黏结作用下粒径增加，粒径峰值由0.15~0.2 mm向0.3~0.355 mm集中，约35.12%细砂颗粒黏结在一起形成较大的中砂颗粒。冻结后出现极细砂，粒径峰值为0.5~0.6 mm ...
李锦荣 +4 more
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[Exploration and application of nanotechnology in precision transarterial chemoembolization for hepatocellular carcinoma]. [PDF]
Zhonghua Gan Zang Bing Za ZhiKong JQ +5 more
europepmc +1 more source
[Effect of porous surface structure on fatigue strength of 3D printed zirconia]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanZhao J +6 more
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[Screening of High-quality Spermatozoa Using Transwell Membrane Pores and Assessment of Their Performance]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanLi Y +7 more
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[Niemann-Pick disease with two missense mutations in SMPD1 gene: a case report and literature review]. [PDF]
Zhonghua Xue Ye Xue Za ZhiWei Y, Guo H, Xu JN, Chen YY, Shi HX.
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Zhongshan Daxue xuebao. Yixue kexue ban, 2011 【目的】 制备可稳定显像的新型小粒径纳米级超声微泡造影剂,并评价其体内外超声显像效果【方法】 通过薄膜-水化声振-通气及多级分离等多步骤方法制备纳米级脂质微泡,并针对制备过程中的主要影响因素设计了正交试验,筛选出粒径小重复性好的实验条件通过光学显微镜及Zeta粒径仪检测纳米微泡大小形态粒径分布,体外及动物体内超声显像检测其增强显像效果【结果】 纳米脂质微泡呈圆形,分布均匀,无明显聚集,粒径范围238.6 ~ 340.7 nm,均值为 (276.0 ± 24.1)nm,Zata电位:(-14.0 ± 0 ...
doaj
[Intraperitoneal administration of Allium macrostemon-derived carbon quantum dots alleviates cisplatin-induced acute kidney injury and restores mitochondrial function in mice]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoYang J +7 more
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[Research Progress on the Role and Mechanisms of PYCR1 in Tumorigenesis and Progression]. [PDF]
Zhongguo Fei Ai Za ZhiMeng Y, Yang Z, Feng H, Li H, Li B.
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[Synthesis of a temperature-responsive multimodal motion microrobot capable of precise navigation for targeted controllable drug release]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoZhao X +5 more
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