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[期刊论文] 作者：Dan Clement,
来源：电子产品世界 年份：2022
当今有许多不同的无线标准和协议在使用,要为任何特定的应用选择合适的技术可能很困难.在这篇文章中,我们将探讨一些需要考虑的关键标准,并评介四个流行的选项:Wi-Fi?技术(无线保真)、蓝牙低功耗(Bluetooth? Low Energy)技术、专有射频(RF)和来自连接性标准联盟......
[期刊论文] 作者：Dan Clement,
来源：电子产品世界 年份：2022
在本系列文章的第一部分,我们探索了为设计选择理想的无线技术的几个考虑因素.我们评介了授权和免授权频谱,以及几个常见的频段.我们还探讨了通信距离和影响通信距离的各种因素,如输出功率和接收器的灵敏度.第一部分最后讨论了网络拓扑,探索了网状网络与点对多......
[期刊论文] 作者：Dan Garisto,
来源：科技纵览 年份：2022
如今,很难找到在某个科学研究领域,深度学习不是热门话题.到处都在喊:深度学习能够发现癌症;它将揭示复杂蛋白结构;它能在先前的分析数据中发现新的系外行星;它甚至能发现万物理论.然而,要分辨真实和炒作,却并不容易.......
The development of hollow multishelled structure:from the innovation of synthetic method to the disc
[期刊论文] 作者：Jiangyan Wang,Zumin Wang,Dan Mao,Dan Wang,
来源：中国科学：化学（英文版） 年份：2022
Hollow multishelled structure (HoMS) is one of the most promising multifunctional structures.The high complexity of its structure makes the general and controllable synthesis of HoMS rather challenging.By integration of multidisciplinary kn......
[期刊论文] 作者：Liang Xiao,
来源：北京周报（英文版） 年份：2022
\'We shall promote the spirit of the Olympic Movement and meet the common challenges facing the international community through solidarity,\" Chinese President Xi Jinping said in his toast at the banquet welcoming distinguished internationa......
[期刊论文] 作者：Liang Xiao,
来源：北京周报（英文版） 年份：2022
Prince William recently found himself in hot water following his allegedly “tone-deaf” and “racist” comments about the ongoing conflict in Ukraine during a visit to a Ukrainian cultural center in London. Social media exploded in controv......
[期刊论文] 作者：Liang Xiao,
来源：北京周报（英文版） 年份：2022
When Russia announced it would be blocking access to social media platforms like Twitter and Facebook, many across the West were left dismayed and criticized Russia for its “veto” on freedom of speech. Ironically, over the past years, tho......
[期刊论文] 作者：Liang Xiao,
来源：北京周报（英文版） 年份：2022
As the Washington National Cathedral tolled its funeral bell 900 times at 5 p.m. onFebruary 7 to recognize the 900,000 deaths from COVID-19 registered in the U.S., American elites appeared more concerned about China\'s zero-spread policy....
[期刊论文] 作者：Liang Xiao,
来源：北京周报（英文版） 年份：2022
If we say the First Gulf War, from August 1990 to February 1991, was the firstever live-broadcast military conflict in the television era, then the Russian-Ukrainian conflict in February can be considered the first mass combat scene of the ......
[期刊论文] 作者：Liang Xiao,
来源：北京周报（英文版） 年份：2022
Private prisons in the United States have long been the topic of controversy, for example over their role in housing undocumented immigrants and asylum seekers at the U.S.-Mexico border. Several states have banned them, some banks have vowe......
[期刊论文] 作者：Liang Xiao,
来源：北京周报（英文版） 年份：2022
One month after the Russia-Ukraine conflict erupted in full force, U.S. President Joe Biden flew to Europe to call on American allies to impose tougher sanctions against Russia. During a meeting of NATO leaders in Brussels, Belgium, Biden o......
[期刊论文] 作者：Liang Xiao,
来源：北京周报（英文版） 年份：2022
In the last two days of March, New Delhi almost simultaneously hosted Russian Foreign Minister Sergey Lavrov, British Foreign Secretary Elizabeth Truss and U.S. Deputy National Security Advisor Daleep Singh. Earlier, on March 25, Chinese St......
[期刊论文] 作者：Liang Xiao,
来源：北京周报（英文版） 年份：2022
April 7, news flash: Nancy Pelosi,Speaker of the United States House of Representatives and second in line for the presidency, said Taiwan would be added to her Asian journey destinations....
[期刊论文] 作者：CAI Tao,ZHAO Dan,
来源：热科学学报（英文版） 年份：2022
The combustion of ammonia (NH3) has attracted wide interest in fuel vehicle engines,marine engines,and power generators to mitigate carbon dioxide emissions.Unfortunately,the relatively low laminar flame speed presents a technical barrier f......
[期刊论文] 作者：Dan M.Goebel,David Oh,
来源：科技纵览 年份：2022
当我们的太阳系还很年轻的时候,行星尚未出现,只有一个由气体和尘埃组成的弥漫星盘环绕着太阳.但在数百万年里,这团旋涡般的原始物质在自身引力的作用下坍塌,形成了数百乃至数千颗“婴儿行星”,天文学家称为星子.部分星子在旋转的太阳星云中卷入越来越多的尘埃......
[期刊论文] 作者：Tan Dan,Zhao Liang,Peng Wei,Wu Fang-Hao,Zhang Guo-Bin,Yang Bo,Huo Wen-Qian,
来源：中华创伤杂志英文版 年份：2022
Purpose::To investigate the clinical value of urine interleukin-18 (IL-8), neutrophil gelatinase-associated lipocalin (NGAL) and kidney injury molecule-1 (KIM-1) for the early diagnosis of acute kidney injury (AKI) in patients with ureteros......
[期刊论文] 作者：Dan Tan,Liang Zhao,Wei Peng,Fang-Hao Wu,Guo-Bin Zhang,Bo Yang,Wen-Qian Huo,
来源： 年份：2022
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Optogenetics stimulates nerve reorganization in the contralesional anterolateral primary motor corte
[期刊论文] 作者：Bei-Yao Gao,Yi-Xing Cao,Peng-Fei Fu,Ying Xing,Dan Liang,Shan Jiang,Yu-Xiao Xie,Min Li,
来源：中国神经再生研究（英文版） 年份：2022
The anterolateral motor cortex of rodents is an important motor auxiliary area, and its function is similar to that of the premotor area in humans. Activation and inhibition of the contralesional anterolateral motor cortex (cALM) have been ......
[期刊论文] 作者：Mengting Lou,Jing Jin,Hanning Wang,Dan Wu,Liang Xia,Qixing Wang,Yifei Yuan,Jiangzhou Wang,
来源：中国通信（英文版） 年份：2022
Massive multiple-input multiple-output(MIMO)technology enables higher data rate transmis-sion in the future mobile communications.However,exploiting a large number of antenna elements at base station(BS)makes effective implementation of mas......
[期刊论文] 作者：Fen XU,X.San LIANG,
来源：地球科学前沿 年份：2022
Why does the 1909 typhoon,Lekima,become so destructive after making landfall in China?Using a newly developed mathematical apparatus,the multiscale window transform (MWT),and the MWT-based localized mutliscale energetics analysis and theory......
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