Zobrazeno 1 - 10
of 20 236
pro vyhledávání: '"任"'
Autor:
任梓齐1，王勤芳1，2，刘亚玲1，王丛1，于秋红1 (REN Ziqi1, WANG Qinfang1,2, LIU Yaling1, WANG Cong1, YU Qiuhong1 )
Publikováno v:
Zhongguo cuzhong zazhi, Vol 19, Iss 10, Pp 1148-1154 (2024)
目的 评估不同供氧方式的高压氧治疗下，发病30 d内卒中术后患者经皮氧分压（transcutaneous oximetry，TcPO2）的变化。 方法 回顾性纳入2023年1月1日—2024年6月20日在高压氧科接受治疗的发病30 d
Externí odkaz:
https://doaj.org/article/c682e96f519e4a27890de110fd6d699f
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Vol 26, Pp 53-64 (2024)
在北方寒冷地区，钢管混凝土结构因冻融作用侵蚀而造成钢管开裂以及钢管混凝土结构力学性能劣化从而导致结构破坏的事故时有发生。针对冻融侵蚀后钢管混凝土界面黏结性能问题，制作
Externí odkaz:
https://doaj.org/article/7167fc886f844ceebbb84bc2ceb8d32f
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Vol 26, Pp 19-27 (2024)
为研究薄壁型钢混凝土（thin-walled steel reinforced concrete，TSRC）梁试件的抗弯性能，设计制作了5根TSRC梁并进行四点弯曲试验，探究不同抗剪螺杆布置方式、截面形式、剪跨比以及混凝土保护层
Externí odkaz:
https://doaj.org/article/f64b48aa384649a79e81ba7c34a5803f
Publikováno v:
Zhongshan Daxue xuebao. Yixue kexue ban, Vol 45, Pp 519-529 (2024)
近年来，脊髓损伤（SCI）的发病率呈现日益增长的趋势，由此引发的运动障碍给患者本身及社会带来沉重的负担。尽管目前临床上对SCI后运动障碍的治疗手段多样，主要集中在通过给予外在
Externí odkaz:
https://doaj.org/article/bb46f6496ee84e93b2756ebec4a72db1
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 51, Iss 4, Pp 391-406 (2024)
Causal reasoning has been extensively studied in all fields of science. In recent decades, there have been a number of innovations in the development and implementation of methods aimed at determining causality. Meanwhile reinforcement learning forms
Externí odkaz:
https://doaj.org/article/15022e3d1bbc403490c34128a48e1b99
Publikováno v:
Zhongguo cuzhong zazhi, Vol 19, Iss 6, Pp 640-646 (2024)
目的 对比远端桡动脉入路（distal transradial artery access，dTRA）与常规桡动脉入路（transradial approach，TRA）行DSA的可行性和安全性，优化神经介入治疗的穿刺入路策略。 方法 前瞻性连续纳入2022
Externí odkaz:
https://doaj.org/article/686f096f4e0f4e73940359733e45aa81
Autor:
任梓齐1，刘亚玲1，刘艳芳2，王文娟2，王丛1，于秋红
Publikováno v:
Zhongguo cuzhong zazhi, Vol 19, Iss 5, Pp 597-600 (2024)
摘要： 目的 探讨对神经内科研究生应用高压氧科混合式教学模式的效果。 方法 纳入2023年4—12月在高压氧科实习的神经内科研究生为研究对象。授课前发放调查问卷摸底研究生基础情况和
Externí odkaz:
https://doaj.org/article/a6c42ceaffd9476da65f79256ba08519
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Vol 26, Pp 12-20 (2024)
通过建立计算预制装配式型钢混凝土（PSRC）梁抗剪承载力的智能模型，在一定程度上提高了计算精度与适用性。基于BP人工神经网络算法，通过对影响PSRC梁抗剪承载力的相关参数进行梳理，
Externí odkaz:
https://doaj.org/article/884898abd78c4b208b0341a00bbedd12
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 51, Iss 2, Pp 162-171 (2024)
We study the properties of McCoy rings with a doubly mapping, give some examples of this class rings, investigate their extensions and the *-nil McCoy property of *-skew polynomial rings. We showed that (1) Let *-ring R satisfy nil(R[x]) = nil(R)[x].
Externí odkaz:
https://doaj.org/article/6ff5ed2ff82b4a42b79828610cb3af3f
Autor:
唐保祥(TANG Baoxiang), 任韩(REN Han)
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 51, Iss 2, Pp 178-185 (2024)
For a positive integer n≥2, what is the minimum number of ticks to be engraved on an unscaled ruler of length n to measure all lengths from 1 to n. This is an unsolved problem of ruler with least number of scales. This paper clarifies the relations
Externí odkaz:
https://doaj.org/article/d595e0ba169b415599452fe114ebeeb9