现场

In this way users can acquire various kinds of local information in time. Users can also visit local equipment status informations or control it to carry out defence actions by the order set beforehand in short message. Thus a kind of bidirectional security and defense system syncretizing initiativeness and passiveness has been realized.

这样用户便可以及时地了解现场的各种信息，用户也可以通过手机短信息的方式，以预先设定好的指令来访问现场各种设备的状态信息或者控制现场设备执行防范动作，从而实现了—种双向的主动和被动相结合的安全防范系统。

Distributed control system based fieldbus is a new kind of control system, it connects UFCH, UFMH, UOPS, ULFS by databus mode. It integrates computer technology, communication technology and process control technology, adopts multi-layers frame to adjust to demand of high standard productive control and management.

基于现场总线技术的集散控制系统是一种新型的控制系统，它是采用总线方式将现场控制单元、现场监视单元、操作站、通信接口单元连接起来，综合了计算机技术、通信技术和过程控制技术，采用了多层次分级的结构形式，以适应现代高水平生产控制与管理的需要。

Distributed control system based fieldbus is a new kind of controlsystem, it connects UFCH, UFMH, UOPS, ULFS by databus mode. Itintegrates computer technology, communication technology and processcontrol technology, adopts multi-layers frame to adjust to demand of highstandard productive control and management.

基于现场总线技术的集散控制系统是一种新型的控制系统，它是采用总线方式将现场控制单元、现场监视单元、操作站、通信接口单元连接起来，综合了计算机技术、通信技术和过程控制技术，采用了多层次分级的结构形式，以适应现代高水平生产控制与管理的需要。

Teams to the field commander of reports:"Power has been cut off the valve is closed the oil vehicle have been evacuated""fire pump is turned on""have telephone reporting company Kyrgyzstan and logistics and fire brigade""powder fire extinguishers asbestos was already in place are continuing to add fire equipment " all the participating employees are made simulated fire-fighting action with on-site commander shouted" fire has been extinguished and started clearing the site " a wonderful fire-fighting plan for exercise success end.

各小组向现场总指挥报告情况：&电源已切断、阀门已关闭，提油车辆已全部疏散&，&消防泵已经开启&，&已经电话报告公司、吉和物流和消防队&，&干粉灭火器、石棉被已经到位，正在继续补充消防器材&，全体参演员工均做出模拟灭火动作，随着现场总指挥喊出&火已扑灭，开始清理现场&，一场精彩的灭火预案演练成功宣告结束。

Teams to the field commander of reports:"Power has been cut off the valve is closed the oil vehicle have been evacuated""fire pump is turned on""have telephone reporting company Kyrgyzstan and logistics and fire brigade""powder fire extinguishers asbestos was already in place are continuing to add fire equipment " all the participating employees are made simulated fire-fighting action with on-site commander shouted" fire has been extinguished and started clearing the site " a wonderful fire-fighting plan for exercise success end.

各小组向现场总指挥报告情况：&电源已切断、阀门已关闭，提油车辆已全部疏散&，&消防泵已经开启&，&已经电话报告公司、吉和物流和消防队&，&干粉灭火器、石棉被已经到位，正在继承补充消防器材&，全体参演员工均做出模仿灭火动作，随着现场总指挥喊出&火已扑灭，开始清理现场&，一场精彩的灭火预案演练成功宣告结束。

Enshi fire officers and men arrived at the scene, according to xylene has a high flash point, flammable, toxic, volatile and not soluble in water features, on-site incident commander ordered fire engines parked in the area upwind direction.

当日凌晨3时46分，沪渝高速宜昌往恩施方向崔坝服务区2公里处一辆载有二甲苯的槽罐车发生侧翻，二甲苯随即泄漏出来，带有浓烈刺激性气味的二甲苯在现场扩散。4时54分，恩施消防官兵到达现场，根据二甲苯具有高闪点、易燃、有毒、有挥发性且不溶于水的特点，现场指挥员命令消防车停靠在事故区上风方向。

The many singlechip microcomputers were used as fishponds controlling computers, and one industrial control computer was used as field monitoring computer.

以一台PC工业控制计算机作为现场上位机，以多台单片机作为现场鱼池的下位机，一旦发生故障，养殖池发生环境变化，能够及时报警，从而实现了对养殖现场中鱼类生长的实时监控。

Has not been submitted to CH2MHILL Safety Department for review and approval prior to commence work, such as: Foundation Excavation Safety Plan, Scaffolding building and dismantlement safety plan, Piling Safe Work Plan, Crane Operation and lifting Safety Plan, Tower Crane Safety Operation Plan, Fall Prevention Plan, Site Waste Management Plan, Site Fire Prevention Plan, Formwork building and dismantlement safety plan, Emergency Response Plan, etc

比如：基坑开挖安全方案，脚手架搭设和拆除安全方案，打桩安全方案，吊车操作及起重安全方案，塔吊安全操作方案，防坠落预防安全方案，现场废物管理方案，现场火灾预防方案，模板搭设及拆除安全方案，现场紧急反应方案等。

The major topic of this paper includes the multi-channel data acquisition, the transmission of the local data to the mid-position computer or top-computer, the connection of the controller on the spot each other and the system s reliability and safety.

首先，要进行几百个、几千个甚至更多路数的数据采集；其次，采集的现场数据要远传到中位机或上位机，以及现场控制器之间实现互连；再次，现场环境较为恶劣和复杂，系统的可靠性和安全性问题等。

We use two ways to build roof system. To assemble on site light steel purline. To hoist and assemble prefabricated wall body and roof. In the first method, we can build roof with complicated styles and with flexible layout. By the second one, we can build faster.

可采用轻钢檩条现场拼接，也可在工厂预制轻钢墙体及屋架，采用现场吊装的方式，前者可建造复杂造型的屋面，布局更为灵活，后者能大大提高现场的建造速度。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。