Results 121 to 130 of about 714,742 (163)

[A quality improvement study to increase the breastfeeding rate in very preterm infants in the neonatal intensive care unit]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Zhang XX   +7 more
europepmc   +1 more source

多硫化钠/溴储能电池的阳极电解液制备方法

open access: yes, 2005
本发明涉及化学电源储能技术领域,特别涉及多硫化钠/溴储能电池的阳极电解液制备方法。该阳极电解液制备方法包括如下步骤:a)按照摩尔比称取所需量的硫化钠与单质硫、氢氧化钠放入容器中;b)加入适量去离子水,配制成Na2Sx溶液,不断向溶液通入氮气,并用搅拌器搅拌,温度控制在室温~100℃;c)待单质硫完全溶解后,停止搅拌器搅拌,溶液静置冷却后定容备用。本发明多硫化钠/溴储能电池能量转换效率大于75 %,使用寿命可长达10年以上,可在常温下操作、启动速度快、充放电性能好、无自放电、制造成本低、环境友好 ...
周汉涛, 衣宝廉, 赵 平, 张华民
core  

[Research progress on the application of pollen in the biomedical field]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Bai L, Wang Y, Yang L, Wang Y, Sun Y.
europepmc   +1 more source

[Development and validation of an explainable machine learning-based model for predicting mortality risk in polytrauma patients]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Jiang Y   +7 more
europepmc   +1 more source

[A frequency-adaptive implicit neural representation method for medical image compression]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Song H, Shi H, Li Y, Bian Z, Zeng D.
europepmc   +1 more source

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