安全

It is not only the supplier of integral solution to pioneering information safety and safety service but also the advocator of network management intensification.

重庆亿威科技有限公司成立于2004年，是专业从事信息安全产品的研发、生产、销售于一体的高科技企业，是领先信息安全整体解决方案与安全服务提供商，也是网络管理集约化的倡导商。

If a car has an airbag, it is safer. That safety is a benefit.

配有安全气囊的汽车更安全，这种安全就是一大优点。

Jiang Yang said that in recent years the face of energy, resources, the bulk of the extreme fluctuation in commodity prices, a growing number of companies and investment banks, hedge funds and other institutions to make use of futures market in the allocation of assets and management of risks, global commodity futures market structure and functions of profound changes in the futures market influence greatly enhanced, in the development of commodity futures market position than ever, the gradual deepening of market functions, and its economic stability in the promotion of healthy operation, to safeguard national energy security, food security , financial and economic security, such as the important role of all aspects of growing concern by the market and look forward to.

姜押嗯说，近年来，面对能源，资源，初级商品价格下滑，公司和投资银行，对冲基金及其他机构越来越多的剧烈波动，大部分要利用期货市场在资产风险管理和分配，全球商品期货市场结构和期货市场的深刻变化功能的影响大大增强，在商品期货市场中的地位比以往任何时候的发展，市场功能逐步深化，其经济稳定在推广的健康运行，维护，如对日益增长的市场关心的所有方面的重要作用，国家的能源安全，粮食安全，金融和经济安全，并期待着。

It is an important question for enterprise that how to confirm safety investment and allot safety investment in the process of production.

在企业进行生产的过程中，如何进行安全投资的预测、如何进行安全投资分配才能取得最大的安全效益是企业关心的问题。

The basic approach of protecting people from being hurt or killed in an accident is to improve crashworthiness of vehicles. This paper starts with discussing theories and methods for vehicle passive safety design, which included experiential methods, analytic methods, multi-body dynamics methods, crash test methods and the finite element method. Emphasis will be paid to the basic FEM theories and algorithms of impact problems. Topics discussed include the governing equation, element discretization, hourglass control, time integration, material model, shell element algorithms and contact-impact algorithms. For more reliable simulation results, this paper then conducts study on how to accurately get material model parameters by combining the FEM method with experimental method, and develops relevant material test machine and parameter calculating software. Based on that, basic typical impact simulation and test validation study are conducted. On the basis of the above work, the paper studies the thin-shell structures'crashworthiness, which was affected by the following factors: spot-weld features, shell thickness, cross-section and pre-deformation. As to vehicle parts'crashworthiness, the paper conducts simulation study of designing energy-absorbing steering system and adaptive airbag system. A practical energy-absorbing steering wheel is designed as an example. In further depth research, the paper suggests several inverse quantificational methods for vehicle crashworthiness design based on the ideal crash characteristics. The above theories and methods are applied with good results through several practical vehicles' crashworthiness design and improvement.

文中对汽车碰撞安全性的设计理论和方法进行了归类和总结，其中包括经验法、解析法、多刚体动力学法、试验法以及有限元方法等；重点介绍了碰撞有限元法的基本理论和有关算法，涉及到有限元求解控制方程、单元离散、沙漏模态控制、时间积分、材料模型和应力修正、薄壳单元算法以及接触碰撞界面算法等，探讨了有限元计算中的材料模型参数获取技术，开发了相应的材料试验装置及材料模型参数反求软件，在此基础上进行了基本的碰撞仿真算例和试验对比研究；文中通过应用有限元方法研究了薄壁构件的碰撞吸能特性，指出了设计薄壁吸能构件时需要考虑的几个主要影响因素，即焊点、壁厚、横截面和预变形等；在关于车辆部件的碰撞安全性能设计中进行了吸能转向机构和自适应安全气囊的仿真研究，提出了吸能转向机构和自适应安全气囊的仿真研究方法；文中最后探讨了整车碰撞性能的设计与改进方法，提出了以理想碰撞特性为目标，采用分段加速度或者根据碰撞时间进行设计的反推设计法、部件吸能仿真优化设计法等量化设计方法，并通过综合应用文中所讨论的相关技术进行了整车碰撞性能的设计与改进实例研究，所选定的车型是大众化的普通轿车和碰撞安全性基础较差的微型面包车，研究结果表明，本文所提出的设计与改进方法是适用而有效的，具有重要的工程实用意义和价值。

Then through the research and analysis of various safe problems of the electronic commerce, it is putting forward viable solutions, and carrying on an overview to the safe technique of the electronic commerce, then taking an analytic comparison between SSL, SET protocol which spreading nowadays, pointing out advantage and shortage respectively, and telling its development trend.

因为各种安全漏洞，网上支付的欺诈现象频频发生，使得人们不得不对许多问题防范有加，从而阻碍了电子商务的健康发展，解决电子商务的安全问题已经迫在眉睫。相信如果消费者和商家能在一个安全快捷的电子商务环境进行交易，那么电子商务的优势会发挥得淋漓尽致。

By analyzing audit events, intrusion detection can discover the unauthorized and anomalistic actions. It is another important method of protecting information security.

常规的安全保护措施是保障系统安全的一方面，入侵检测通过分析审计事件，发现系统中未授权活动及异常活动，是信息安全保护的另一重要途径。

Domain name safety serves also is to comply with safety of world domain name ascensive trend, have extensive user demand, each national capital takes seriously exceedingly, accelerate the safe technology of deploy domain name.

域名安全服务也是顺应世界域名安全进步趋势，具有广泛的用户需求，各国都非常的重视，加快部署域名的安全技术。

Safety 1st ProGrade Clean Collection Nasal Aspirator is an easy ways to clear mucus from baby's nose with a no nonsense clean up.

安全第一ProGrade清洁系列吸鼻器是一款使用简便安全的吸鼻器，它能安全快速地从婴儿的鼻子清理鼻涕。

New the Chinese safety that hold water answers a center to will be comprised by safe assayer, the safety that is aimed at more attention Chinese area is minatory.

新成立的中国安全响应中心将由安全分析专家组成，并将更多关注针对中国地区的安全威胁。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。