期刊文献+
共找到338篇文章
< 1 2 17 >
每页显示 20 50 100
Protein Bodies in Cotyledon Cells Exhibit Differential Patterns of Legumin-Like Proteins Mobilization during Seedling Germinating States
1
作者 Jose C. Jimenez-Lopez Maria C. Hernandez-Soriano 《American Journal of Plant Sciences》 2013年第12期2444-2454,共11页
Olive (Olea europaea L.) tree is one of the most extensive and important agricultural crop in Mediterranean countries due to its beneficial health and nutritional properties and its high economic value. Currently, oli... Olive (Olea europaea L.) tree is one of the most extensive and important agricultural crop in Mediterranean countries due to its beneficial health and nutritional properties and its high economic value. Currently, olive tree constitutes the sixth most important cultivated plant in the world, spreading from the Mediterranean region of origin to new production areas such as Australia, South and North America and South Africa. However, the mobilization processes of storage materials i.e. reserve proteins during seed germination, which are largely involved in essential physiological process including plant growth and development, remain poorly understood. Morphometric and immunohistochemistry analyses of protein bodies contained in olive seed storage tissues, cotyledon and endosperm, were performed by using different microscopy techniques, including light (bright-field and fluorescence) microscopy and transmission electron microscopy. Furthermore, we used legumin-like proteins (11S-type globulins) as a molecular marker to study the mobilization of reserve proteins from PBs of cotyledons at germinating seedling stages by using immunofluorescence assays. Results demonstrated that cotyledon and endosperm are characterized by distinct PBs populations containing legumin-like proteins, distinctly discriminated by the number of PBs per cell and tissue, size, immunofluorescence and histochemical staining. These features reflect differential PBs biogenesis during development and maturation processes in olive seed tissues endosperm and cotyledon, in relation to proteins (polypeptides) final composition, SSPs processing and/or packaging during seed maturation. Three different mobilization patterns of legumin-like proteins were identified for the first time in cotyledon PBs during seedling germinating process. Mature proteins composition and/or processing, cell types and enzyme composition and/or differential activation have been discussed as key features determining how proteins mobilize from PBs for further degradation in the cotyledon. 展开更多
关键词 11s GLOBULINs COTYLEDON Endosperm In Vitro Germination Legumin-Like PROTEINs Olea europaea L. Protein Bodies seed PROTEINs mobilization
下载PDF
基于C/S架构和物联网技术的可移动医疗设备共享调配系统的设计与应用 被引量:1
2
作者 王杰 薛博宇 +2 位作者 徐云华 张琛 顾伟 《中国医疗设备》 2024年第1期85-91,共7页
目的 设计一个可移动医疗设备高效管理与临床科室共享调配相结合的医疗设备共享管理平台,实现可移动医疗设备使用的全过程管理。方法 基于C/S架构,利用物联网技术优化整合现有医疗设备大数据资源,结合医院需求,构建可移动医疗设备共享... 目的 设计一个可移动医疗设备高效管理与临床科室共享调配相结合的医疗设备共享管理平台,实现可移动医疗设备使用的全过程管理。方法 基于C/S架构,利用物联网技术优化整合现有医疗设备大数据资源,结合医院需求,构建可移动医疗设备共享调配系统,实现医疗设备共享管理、预约借用、统计分析等核心功能。通过比较系统上线前后呼吸机调配次数、平均调配时间、呼吸机使用率、单台呼吸机日均收入4个指标,分析系统应用效果。结果 系统上线后,呼吸机调配次数明显增加、平均调配时间明显降低,呼吸机使用率、单台呼吸机日均收入明显升高,且差异均有统计学意义(P﹤0.05),表明系统对提高呼吸机调配效率与使用效率有促进作用。结论 可移动医疗设备共享调配系统优化了医院设备管理流程,实现了医疗资源的统一调配,有效满足临床紧急抢救时医疗设备调配使用的相关需求,提高了医疗设备周转率以及设备管理人员的工作效率,有助于医院节约人员成本、降低采购费用,为医院管理者制定相关决策提供数据支撑。 展开更多
关键词 可移动医疗设备 物联网 C/s架构 设备共享 管理系统
下载PDF
Dynamic Analysis of Propulsion Mechanism Directly Driven by Wave Energy for Marine Mobile Buoy 被引量:8
3
作者 YU Zhenjiang ZHENG Zhongqiang +1 位作者 YANG Xiaoguang CHANG Zongyu 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2016年第4期710-715,共6页
Marine mobile buoy(MMB) have many potential applications in the maritime industry and ocean science.Great progress has been made,however the technology in this area is far from maturity in theory and faced with many... Marine mobile buoy(MMB) have many potential applications in the maritime industry and ocean science.Great progress has been made,however the technology in this area is far from maturity in theory and faced with many difficulties in application.A dynamic model of the propulsion mechanism is very necessary for optimizing the parameters of the MMB,especially with consideration of hydrodynamic force.The principle of wave-driven propulsion mechanism is briefly introduced.To set a theory foundation for study on the MMB,a dynamic model of the propulsion mechanism of the MMB is obtained.The responses of the motion of the platform and the hydrofoil are obtained by using a numerical integration method to solve the ordinary differential equations.A simplified form of the motion equations is reached by omitting terms with high order small values.The relationship among the heave motion of the buoy,stiffness of the elastic components,and the forward speed can be obtained by using these simplified equations.The dynamic analysis show the following:The angle of displacement of foil is fairly small with the biggest value around 0.3 rad;The speed of mobile buoy and the angle of hydrofoil increased gradually with the increase of heave motion of buoy;The relationship among heaven motion,stiffness and attack angle is that heave motion leads to the angle change of foil whereas the item of speed or push function is determined by vertical velocity and angle,therefore,the heave motion and stiffness can affect the motion of buoy significantly if the size of hydrofoil is kept constant.The proposed model is provided to optimize the parameters of the MMB and a foundation is laid for improving the performance of the MMB. 展开更多
关键词 propulsion mechanism marine mobile buoy dynamic model hydrodynamics Morision's equation
下载PDF
Implicit Continuous User Authentication for Mobile Devices based on Deep Reinforcement Learning 被引量:1
4
作者 Christy James Jose M.S.Rajasree 《Computer Systems Science & Engineering》 SCIE EI 2023年第2期1357-1372,共16页
The predominant method for smart phone accessing is confined to methods directing the authentication by means of Point-of-Entry that heavily depend on physiological biometrics like,fingerprint or face.Implicit continuou... The predominant method for smart phone accessing is confined to methods directing the authentication by means of Point-of-Entry that heavily depend on physiological biometrics like,fingerprint or face.Implicit continuous authentication initiating to be loftier to conventional authentication mechanisms by continuously confirming users’identities on continuing basis and mark the instant at which an illegitimate hacker grasps dominance of the session.However,divergent issues remain unaddressed.This research aims to investigate the power of Deep Reinforcement Learning technique to implicit continuous authentication for mobile devices using a method called,Gaussian Weighted Cauchy Kriging-based Continuous Czekanowski’s(GWCK-CC).First,a Gaussian Weighted Non-local Mean Filter Preprocessing model is applied for reducing the noise pre-sent in the raw input face images.Cauchy Kriging Regression function is employed to reduce the dimensionality.Finally,Continuous Czekanowski’s Clas-sification is utilized for proficient classification between the genuine user and attacker.By this way,the proposed GWCK-CC method achieves accurate authen-tication with minimum error rate and time.Experimental assessment of the pro-posed GWCK-CC method and existing methods are carried out with different factors by using UMDAA-02 Face Dataset.The results confirm that the proposed GWCK-CC method enhances authentication accuracy,by 9%,reduces the authen-tication time,and error rate by 44%,and 43%as compared to the existing methods. 展开更多
关键词 Deep reinforcement learning gaussian weighted non-local meanfilter cauchy kriging regression continuous czekanowski’s implicit continuous authentication mobile devices
下载PDF
基于实时地理位置共享的好友位置定位系统的设计与实现——windows mobile系统实现 被引量:1
5
作者 李康泉 《科技信息》 2014年第11期47-47,共1页
手机共享好友位置是一款基于GPS卫星定位,并通一过共享位置信息的方式,实现防止走失的项目,是一款基于实用而提出的项目。该系统是款C/S模式的GPS位置共享软件,客户端、服务端统一使用C#开发语言编写,基于Windows Mobile系统平台开发的。
关键词 GPs卫星定位 C/s模式 C#开发语言 Windows mobilE
下载PDF
Influence of Blocking-Stressors on Post-90s Employees’ Occupational Mobility: The Chain Mediating Effect of Psychological Contracts and Negative Emotion
6
作者 Lixia Niu Ying Liu +1 位作者 Jie Liu Rui Zhao 《International Journal of Mental Health Promotion》 2022年第4期527-538,共12页
To clarify the mechanism of blocking-stressors,psychological contracts,and negative emotions on post-90s employees’occupational mobility,based on the literature study,a hypothetical model of the relationship was esta... To clarify the mechanism of blocking-stressors,psychological contracts,and negative emotions on post-90s employees’occupational mobility,based on the literature study,a hypothetical model of the relationship was established.Using the blocking-stressor,psychological contract,negative emotion,and occupational mobility scales,317 post-90s employees were selected to investigate their status.It used correlation analysis and intermedi-ary effect tests to verify the hypothesis model.The results showed that:first,there were significant positive cor-relations between blocking-stressors,negative emotions,and occupational mobility,while indicating a significant negative correlation with the psychological contract;second,blocking-stressors can directly and significantly pre-dict occupational mobility;and third,blocking-stressors can indirectly affect occupational mobility through the mediating role of negative emotions and the chain-mediating role of psychological contracts and negative emo-tions.The effective intervention of blocking-stressors,psychological contracts,and negative emotions can reduce the rate of occupational mobility and provide some guidance for enterprises in making rational use of human resources. 展开更多
关键词 Occupational mobility post-90s blocking-stressors psychological contract negative emotion
下载PDF
Global Mobile Market Situations and China Telecom's Strategy to Enter Mobile Market
7
作者 Zhang Dongbo (Anhui Telecom Corporation,China Telecom Group,Hefei 230001,China) 《ZTE Communications》 2003年第2期2-7,共6页
The article briefly introduces the situation of the global mobile communications market,and based on the development status quo of China's mobile communications market,studies the strategy for China Telecom to ent... The article briefly introduces the situation of the global mobile communications market,and based on the development status quo of China's mobile communications market,studies the strategy for China Telecom to enter the mobile market,mainly focusing on mo- bile technologies selection,differentiable services,regional strate- gies and price policies. 展开更多
关键词 CDMA as de Global mobile Market situations and China Telecom’s strategy to Enter mobile Market been for GsM into of
下载PDF
ZTE's 3G Mobile Phones
8
作者 Huang Shenghua (Mobile Phone Division of ZTE Corporation, Shanghai 201203, China) 《ZTE Communications》 2005年第2期60-62,共3页
This article first discusses the strengths and features of ZTE' s mobile phones, following an introduction of the history of ZTE's development of mobile phones. It also shows a clear picture of ZTE's devel... This article first discusses the strengths and features of ZTE' s mobile phones, following an introduction of the history of ZTE's development of mobile phones. It also shows a clear picture of ZTE's development of the WCDMA terminals and its first WCDMA phone F808. At the end, it gives an opinion on 3G terminals in 2005. 展开更多
关键词 WCDMA In TEsT ZTE’s 3G mobile Phones GsM
下载PDF
ZTE's CDMA 2000 1x Mobile Communication System
9
作者 Xu Yong Hu Zhigang (Nanjing R&D Genter of ZTE Corporation,Nanjing 210012,China) 《ZTE Communications》 2003年第1期41-43,共3页
With the operation of the CUC(China Unicom CorporationLtd.)“New Horizon”CD-MA network, the Chinesemobile communication market hasentered a new stage of development.GSM and CDMA have joined handsto work fully and eff... With the operation of the CUC(China Unicom CorporationLtd.)“New Horizon”CD-MA network, the Chinesemobile communication market hasentered a new stage of development.GSM and CDMA have joined handsto work fully and efficiently. The to- 展开更多
关键词 CDMA CO of in HIGH ZTE’s CDMA 2000 1x mobile Communication system HLR
下载PDF
Evaluation of the Effect of Chemotherapeutic Drug Training on Mobile Terminal for Neuro-Oncology Nurses Based on Kirkpatrick’s Model
10
作者 Lan Bai Qinqin Zhao Zhihuan Zhou 《Neuroscience & Medicine》 2020年第3期83-90,共8页
<div style="text-align:justify;"> <span style="font-family:Verdana;"><strong>Background:</strong> Since there has been training, there has been discussion about the effect o... <div style="text-align:justify;"> <span style="font-family:Verdana;"><strong>Background:</strong> Since there has been training, there has been discussion about the effect of training. But training evaluation is not systematic until Kirkpatrick came up with the training evaluation model in 1959. At present, the prevailing model in the systematic summary of training evaluation is still The Kirkpatrick’s model. This model was further improved in 1994, more responsive to contemporary needs, and thus widely used all over the world. At the beginning, it was widely used in human resource management of enterprises. In recent years, this model has been gradually used in the medical field to evaluate the effect of medical training. The Kirkpatrick’s model has a systematic, integrated and persuasive evaluation system for trainees. It has good effects in the pre-service nurse training, the professional image and code of conduct nurses training, and the geriatric nurse training. At present, there are few studies on the chemotherapeutic drug training of neurologist nurses in China. In clinical work, nurses’ cognitive and practical behaviors of chemotherapeutic drug protection and drug extravasation prevention and treatment are insufficient. It directly harms the health of nursing staff and increases the complications of chemotherapy, increases pain of tumor patients, delays or interrupts chemotherapy, and aggravates the economic burden of patients. Especially, Chemotherapeutic drugs for neuro-oncology have particularity and necessity of urgent training. <strong>Objective:</strong> To investigate the effect of chemotherapeutic drug training through mobile terminal for neuro-oncology nurses based on the Kirkpatrick’s model. <strong>Methods: </strong>The training content and evaluation questionnaire for chemotherapeutic drugs were designed by nursing management personnel and senior nurses in our department according to the guidelines and common diseases requiring chemotherapy in the department. The content includes the basic knowledge of neuro-oncology chemotherapy, pharmacological knowledge, toxic and side effect of chemotherapy, etc., which are regularly pushed through the mobile terminal-WeChat. Forty nurses participated in the training and the effect is evaluated by Kirkpatrick’s model. <strong>Result:</strong> After the training, 100% of nurses were satisfied with the training content and 97.5% with the training form. The scores of nurses in learning level such as basic pharmacological knowledge, drug configuration and exposure, drug treatment and infusion, observation of toxic and side effects, and treatment of drug extravasation were significantly higher than those before the training (P < 0.01). The scores of nurses in the behavior level such as drug allocation, health education, toxic and side effect observation and prediction, treatment of exosmosis, occupational protection were significantly higher than those before the training. After the training, the satisfaction of managers, chemotherapy physicians and chemotherapy patients on the behavior of nurses was significantly higher than that before the training (P < 0.01). <strong>Conclusion:</strong> The chemotherapeutic drug training through mobile terminal based on Kirkpatrick’s model can improve the ability of neuro-oncology nurses, so as to improve the satisfaction of physicians and patients.</span> </div> 展开更多
关键词 NEURO-ONCOLOGY mobile Terminal Kirkpatrick’s Model TRAINING Chemotherapeutic Drugs
下载PDF
ZTE Unveils World's First HSDPA TD-SCDMA Mobile Handset
11
《ZTE Communications》 2008年第4期2-2,共1页
ZTE Corporation officially announced the U990 device, the world’s first high-end HSDPA TD-SCDMA mobile handset,
关键词 ZTE Unveils World’s First HsDPA TD-sCDMA mobile Handset sCDMA TD HsDPA World
下载PDF
ZTE Showcases World's First VoLTE Call Based on IMS with Existing Mobile Networks at Mobile Asia Congress 2010
12
《ZTE Communications》 2010年第4期56-56,共1页
ZTE Corporation, a leading global provider of telecommunications equipment and network solutions, demonstrated successful IMS based Voice over LTE (VoLTE) calls on CSL Limited (CSL)'s LTE network and its existing... ZTE Corporation, a leading global provider of telecommunications equipment and network solutions, demonstrated successful IMS based Voice over LTE (VoLTE) calls on CSL Limited (CSL)'s LTE network and its existing mobile networks at Mobile Asia Congress 2010 (MAC 2010). 展开更多
关键词 2010 IMs ZTE showcases World’s First VoLTE Call Based on IMs with Existing mobile Networks at mobile Asia Congress 2010 AsIA World
下载PDF
ZTE Showcases Industry’s First MAB Live Demo at Mobile World Congress 2011
13
作者 ZTE Corporation 《ZTE Communications》 2011年第1期66-66,共1页
ZTE Corporation announced on February 17 that it has successfully demonstrated the Industry's first ever Multiple Access Binding Solution (MAB) in a live demo at Mobile World Con.qress 2011 in Barcelona.
关键词 ZTE showcases Industry s First MAB Live Demo at mobile World Congress 2011 MAB World
下载PDF
ZTE Demonstrated 5.76 Mb/s HSUPA at GSMA Mobile World Congress 2008
14
《ZTE Communications》 2008年第1期22-22,共1页
ZTE demonstrated the company’s newly Inter Operability Testing (IOT) tested 5.76 Mb/s High Speed Uplink Packet Access (HSUPA) network equipment at the GSMAMobile
关键词 HsUPA ZTE Demonstrated 5.76 Mb/s HsUPA at GsMA mobile World Congress 2008 Mb GsMA World
下载PDF
ZTE SDR Solution Nominated for GSMA's 14th Global Mobile Awards
15
《ZTE Communications》 2009年第1期1-1,共1页
ZTE Corporation (ZTE) has been shortlisted for the Best Network Technology Advance Award at the 2009 Global Mobile Awards for its cutting-edge Software Defined Radio (SDR) solution. ZTE is the only Chinese company nom... ZTE Corporation (ZTE) has been shortlisted for the Best Network Technology Advance Award at the 2009 Global Mobile Awards for its cutting-edge Software Defined Radio (SDR) solution. ZTE is the only Chinese company nominated for this global award 展开更多
关键词 ZTE sDR solution Nominated for GsMA’s 14th Global mobile Awards GsMA sDR
下载PDF
ZTE's Global Debut of Grand X LTE (T82) with China Mobile Hong Kong
16
作者 ZTE Corporation 《ZTE Communications》 2012年第3期F0003-F0003,共1页
On 28 August 28, ZTE Corporation held the global launch of the Grand X LTE (T82) in Hong Kong. For this launch, ZTE partnered with China Mobile Hong Kong. Grand X LTE (T82) is the company's first single-chip LTE ... On 28 August 28, ZTE Corporation held the global launch of the Grand X LTE (T82) in Hong Kong. For this launch, ZTE partnered with China Mobile Hong Kong. Grand X LTE (T82) is the company's first single-chip LTE smartphone. It has a 1.5 GHz dual-core CPU based on advanced 28 nm technology. Compared to most phones on the market, the single-chip model is faster and more energy efficient. T82 has a 4.3-inch qHD screen, which provides exceptional HD quality. The phone has an 8 mp rear camera that supports 1080p HD video shooting and playback. The camera module with enhanced flash captures the sharpest images during the day and night. The front camera supports 720p HD video calls. T82 is also WiFi enabled and uses Android 4.0. The maximum download rate is 100 Mbps, and users have access to more than 600,000 Android applications to download. T82 also has a unique buttonless design that resembles a mini tablet. 展开更多
关键词 ZTE’s Global Debut of Grand X LTE LTE with China mobile Hong Kong
下载PDF
ZTE Deploys the World's First Large-Scale Commercial GPON-Based Mobile Backhaul Network for TELKOM Indonesia
17
《ZTE Communications》 2010年第4期14-14,共1页
ZTE Corporation, a leading global provider of telecommunications equipment and network solutions, announced on November 23, 2010 that it has successfully completed the world's first large-scale commercial GPON-based ... ZTE Corporation, a leading global provider of telecommunications equipment and network solutions, announced on November 23, 2010 that it has successfully completed the world's first large-scale commercial GPON-based mobile backhaul network for TELKOM Indonesia, a full-service telecom operator in Indonesia. The project is the first such large-scale commercialization of GPON backhaul technology, 展开更多
关键词 ZTE Deploys the World’s First Large-scale Commercial GPON-Based mobile Backhaul Network for TELKOM Indonesia GPON World
下载PDF
Computer-based Test of Spoken English Translation Accuracy Evaluation System with Wireless Mobile Terminal
18
作者 GUO Fengxia 《International English Education Research》 2018年第1期17-20,共4页
In order to improve the accuracy of spoken English translation evaluation and artificial intelligence, the design of wireless mobile terminal lest of spoken English translation accuracy evaluation system is researched... In order to improve the accuracy of spoken English translation evaluation and artificial intelligence, the design of wireless mobile terminal lest of spoken English translation accuracy evaluation system is researched. The system uses four layer construction design as wireless information collection layer, the mobile terminal information fusion layer, network data transmission layer, human computer interactive application layer. The original collection of computer-based spoken English translation information is taken based on host computer communication sensing information processing technology, Bus data transmission of English translation accuracy evaluation system is taken based on B/S structure, the test design process and remote scheduling information fusion are constructed based on LabWindows/CVl and B/S structure mining system, information data processing and cross compiler operation of the spoken English translation test evaluation system are completed in application layer, in the embedded kernel and on the wireless mobile terminal, the evaluation system is developed. The test results show that the integrated scheduling ability of spoken English translation test information system designed in this paper is better than traditional method, the cost time is less, and the control quality of the system is high. 展开更多
关键词 Wireless mobile terminal spoken English translation Evaluation system B/s architecture
下载PDF
无线供电MEC中基于S-PSO的任务卸载策略研究
19
作者 王传启 车国霖 《电子技术应用》 2024年第8期60-66,共7页
随着5G技术和物联网的快速发展,大量的物联网设备接入到无线通信网络中,由于物联网设备计算和能量资源有限,将移动边缘计算(MEC)和无线供电技术(WPT)集成,可以给移动设备(MD)提供能量和计算任务处理服务。首先构建了多用户设备多服务器... 随着5G技术和物联网的快速发展,大量的物联网设备接入到无线通信网络中,由于物联网设备计算和能量资源有限,将移动边缘计算(MEC)和无线供电技术(WPT)集成,可以给移动设备(MD)提供能量和计算任务处理服务。首先构建了多用户设备多服务器的任务卸载模型,然后在粒子群优化算法的基础上,加入Levy飞行策略和改进的权重更新方法,提出了S-PSO算法来优化系统的时延与能耗,最后仿真结果表明,S-PSO算法与其他基准方案相比较,有效降低了系统的时延与能耗,提高了计算网络的性能。 展开更多
关键词 物联网 移动边缘计算 任务卸载 s-PsO
下载PDF
ZTE and Innofidei Achieve Industry's First Field IOT on Multiple TD-LTE USB Dongles in a Mobile Network Cell
20
作者 ZTE Corporation 《ZTE Communications》 2010年第2期54-54,共1页
ZTE Corporation, a leading global provider of telecommunications equipment and networking solutions, announced on May 11,2010 that ZTE Corporation and Innofidei have jointly delivered a significant breakthrough for th... ZTE Corporation, a leading global provider of telecommunications equipment and networking solutions, announced on May 11,2010 that ZTE Corporation and Innofidei have jointly delivered a significant breakthrough for the Time Division Long Term Evolution (TD-LTE) industry with the industry's first successful Inter-Operability Test(IOT) of multiple TD-LTE USB dongles in a single mobile network cell. The successful test was first performed in Hong Kong, 展开更多
关键词 ZTE and Innofidei Achieve Industry’s First Field IOT on Multiple TD-LTE UsB Dongles in a mobile Network Cell CELL LTE TD IOT UsB
下载PDF
上一页 1 2 17 下一页 到第
使用帮助 返回顶部