Results 81 to 90 of about 306,799 (126)
, 2015 干旱区河流径流多变，决定了干旱区河岸林水分生境波动的基本特征。植物萌发于水分充足，干扰强度大，靠近河道的河漫滩，河岸群落演替过程由此开始。植物苗期的竞争强烈且更容易遭受生境波动的干扰，不同物种对高干扰、低胁迫的河漫滩的适应能力决定其竞争能力，竞争的结果决定了河岸林的格局。由于干旱区植物对地下水具有高度的依赖性，因此，浅地下水埋深与干扰条件下植物的竞争能力决定了河岸植被的群落结构。本项研究以塔里木河河岸林优势种胡杨、柽柳幼苗群落为研究对象，在阿克苏站实验小区设置浅地水埋深模拟有利水分条件，同时 ...
吴桂林
core
[Clinical and genetic characteristics and follow-up of 12 children with hypophosphatasia]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiWu S +8 more
europepmc +1 more source
, 2014 Zi Zhi Tong Jian (Comprehensive Mirror Providing Material for Government) by Sima Guang (1019-1086) of Northern Sung Dynasty contains 294 volumes in which it recounts the Chinese history text of annual chronology in 1362 years from Warring States to the ...
胡楚生
core
[Clinical study on the efficacy of Wuling capsules combined with nucleos(t)ide analogues in the treatment of low-level viremia patients with chronic hepatitis B]. [PDF]
Zhonghua Gan Zang Bing Za ZhiZhao SX +7 more
europepmc +1 more source
[Characteristics of urinary organic acid metabolic profile and screening of key metabolic markers in patients with urolithiasis]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanQi Z +9 more
europepmc +1 more source
, 1995 本论文工作共总结如下内容：环己二胺四乙酸锑钠盐、铵盐，二乙三胺五乙酸 锑钠盐、铰盐的合成和红外光谱表征；氨三乙酸锑的合成和紫外光谱分析；环己二 胺四乙酸锑钠盐、铰盐，二乙三胺五乙酸、二乙三胺五乙酸锑钠盐、铵盐的单晶结 构测定以及抗肿瘤活性检测：五种胺羧酸配体：氨三乙酸、环己二胺四乙酸、乙二 胺四乙酸、丙二胺四乙酸、二乙三胺五乙酸与动物DNA的作用常数和环己二胺四乙 酸锑铵盐、二乙二胺五乙酸锑铵盐对体外培养的HL—60（白血病）细胞及小鼠S180 肉瘤的抗肿瘤活性测定 ...
付毅敏
core
[IOX1 alleviates hepatic ischemia-reperfusion injury by inhibiting mitogen-activated protein kinase signaling pathway]. [PDF]
Zhonghua Gan Zang Bing Za ZhiHu SC +7 more
europepmc +1 more source
, 1992 用自行研制的SOS型氢离子敏场效应晶体管, 结合聚乙烯醇膜和赖氨酸脱羧酶膜, 研制成场 效应晶体管型赖氨酸传感器, 其线性响应范围为: 0.02%—0.10%, 响应灵敏度75±3mV,响应时间约2min。传感器寿命达60d, 在pH6.2的磷酸盐缓冲液中(含10~(-3)mol/L磷酸吡哆醛), 37℃时器件性能最优, 同时还考察了硅烷化及膜厚对器件性能的影响。用该传感器初步 检测强化赖氨酸饮料的含量, 结果与经典的茚三酮显色法基本一致 ...
汪正孝, 俞宝明, 李幼荣
core
[Research progress on the pathological mechanisms and clinical translation of ferroptosis in necrotizing enterocolitis]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiLuo J, Li WB.
europepmc +1 more source