Results 101 to 110 of about 4,473 (155)

Isolation of Sperm Cells from Photoperiod-sensitive Genic Male-Sterile Mutant of Rice(Oryza sativa L. ssp. Japonica) [PDF]

open access: yes, 2007
文章对常用的渗透压冲击法作了改进,并从水稻成熟花粉粒中分离出大量精细胞。显微镜下的2个精细胞具有二型性,用显微操作仪从中分别挑选出2个细胞群体,并以荧光素二醋酸酯(FDA)染色的结果表明 ...
田惠桥, 赵玉辉
core  

Green-Ampt 公式在层状土入渗模拟计算中的应用

open access: yesShuitu Baochi Xuebao, 1999
通过对Green-Ampt入渗模型特点的进一步分析和总结,概述了目前对Green-Ampt 入渗模式的发展情况,特别在沙层阻水、浑水入渗、间歇入渗和降雨入渗方面的应用进行分析,并对Green-Ampt公式在这些方面应用中参数确定方法进行了进一步探讨,为在黄土区的应用提供指导.
王全九   +7 more
doaj  

解冻期坡面降雨入渗特征及模拟试验研究

open access: yesShuitu Baochi Xuebao, 2018
通过室内人工模拟降雨试验和水量平衡方法,研究解冻期坡面降雨入渗规律。试验处理包括4个初始解冻深度(0,2,4,6 cm)和3个降雨强度(0.6,0.9,1.2 mm/min)。结果表明:(1)在坡面的降雨入渗过程中,随降雨历时的延长,入渗率呈由高到低的变化,波动性明显;(2)坡面初始入渗率受降雨强度的影响较大,0.9,1.2 mm/min雨强下的初始入渗率显著大于0.6 mm/min下的初始入渗率 ...
程圣东   +4 more
doaj  

[Interpretation of the "Expert consensus on the management of neonatal parenteral nutrition (2025)"]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Lin XZ   +8 more
europepmc   +1 more source

[Performance of hyaluronic acid biogel and its effect on healing of infected burn wounds in mice]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Shi MS   +6 more
europepmc   +1 more source

[Comparison of apical sealing ability of three bioceramic root canal sealers in vitro]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Zhu J, Huang R, Zeng X, Jiang L, He F.
europepmc   +1 more source

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