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In this context, we propose a time deployment based, pairwise keymanagement scheme called TDBK. In TDBK, the network lifetime is divided intoseveral consecutive network deployment statuses which are separated by nodedeployment events. Each node to be deployed is assigned its key informationthrough a special two-tier key predistribution mechanism, and timely deletes theuseless part of the key information through the key elimination mechanism eachtime the pairwise key establishment is finished in terms of a new nodedeployment event.

在此背景下,我们提出了一种基于时间部署的对****管理方案(Time Deployment Based Keying,TDBK),该方案将网络的生命周期分为多个连续的网络部署状态,相邻的部署状态之间通过节点部署事件分隔,每个节点通过特殊的两级****预分配机制来获得用于建立对****的****信息,随后通过****清除机制在每次节点部署事件发生时进行的对****建立过程完成后及时地删除其中无用的****信息。

We have presented a practical method for the preparation of propargylic alcohols from terminal alkynes and carbonyl compounds promoted by KOH in the presence of 18-crown-6,and subsequent efficient cyclizations of propargylic alcohols with 2-naphthol catalyzed by InCl_3·4H_2O under the solvent-free ball-milling conditions.Ball milling exhibits its superiority over the reported methods in the preparation of propargylic alcohols and naphthopyran derivatives.

采用机械研磨方法进行了连续的两步固相化学反应的研究:首先,在氢氧化钾和18-冠-6的作用下,端基炔和羰基化合物在机械研磨条件下反应可以高效地生成相应的炔醇化合物;其次,在四水合三氯化铟的催化作用下,生成的炔醇化合物和2-萘酚在机械研磨条件下环加成生成相应的萘并吡喃产物。

Now there are two major approaches to maintain consistency of the replicated continuous system.

这两种技术能够比较好地解决基于复制的连续系统的一致性控制问题。

The partly cold-adaptation stratagem of the high altitude amphibian tadpole were researched in the laboratory by analyzing the high altitude amphibian tadpole of Scutiger boulengeri mainly on endpoints related to the dynamic variation of the micro-spatial behavior distribution patterns, the experiment of the temperature tolerance, and the enzyme content and activity of the lactic acid dehydrogenase isozyme in special temperature condition.The behavior distribution of the Scutiger boulengeri t...

西藏齿突蟾蝌蚪在不同温度的行为分布是一连续、动态过程,需用多种检验方法综合利用才能进行判断;在15℃,除低海拔分布的西藏齿突蟾种群外所有实验物种蝌蚪均符合负二项分布、NeymanⅡ型分布;在10℃,高海拔两栖类蝌蚪均符合负二项分布、NeymanⅡ型分布;在5℃、0℃低温时,高海拔两栖类不同分组的西藏齿突蟾蝌蚪的负二项分布、NeymanⅡ型分布均呈现明显差异,这可能与高海拔两栖类蝌蚪在低温条件下通过不断地改变其行为分布方式来避免自身被冻伤有关。

The result of experiment indicates that digital speckle autocorrelation is capable of measuring the seriate displacement accurately.

研究结果表明,数字散斑相关技术可以高精度地测出连续移动物体的位移。

The present invention provides a container comprising: a semi-enclosed container body including a tubular structure having two open ends and a bottom panel enclosing one end of the container body, the other end of the tubular structure opposite from the bottom panel forming a substantially continuous outwardly-extending peripheral flange; a lid for selectively converting the semi-enclosed container to a closed container; and a closure means for sealing the lid to the container body, the closure means comprising a mechanical interlocking seal and a slideable mechanical closure for sealing the mechanical interlocking seal.

本发明提供了一种容器(10),它包括:半封闭的容器主体,包括具有两个开口端和一底板的空心结构,该底板封闭容器主体的一端,与底板相对的空心结构的另一端形成大致连续的向外延伸的周边突缘(25);一个盖(40),用于选择性地把半封闭容器转变成封闭的容器;和封闭装置(30),用于把盖密封到容器主体上,该封闭装置包括机械互锁密封元件、和用于对机械互锁密封元件进行密封的可滑动的机械封闭元件(36)。

The chemosynthesis sedative-hypnotic is widely applied in the clinic to treat somnipathy, but those shorten SWS and REMS resulting in producing some side effects, such as dizziness, somnolence, dependence and addiction for longly taking medicine, rebounding phenomenon and abstinence for suddenly withdrawing medicine.

临床上常用的化学合成类镇静催眠药,作用特点在于使失眠者入睡快,中间不易醒,但都(95%)不同程度地缩短了SWS和REMS,致使连续用药后出现头昏、嗜睡等症状,久服产生依赖性和成瘾性,停药时出现反跳和戒断症状等不良反应。

Then protracting the curve contrastive chart and we could descry the stand or fall of every tache in the swinery production,which make the dynamic inspection function of swinery production in some time come true.

工厂化养猪,从母猪配种、妊娠、分娩、断奶到育仔、育成、育肥、出售形成一条连续的流水工艺并以周为单位,有计划、有规律地循环下去,使得养猪生产常年处于均衡

In the first part, the prototropic hydroxy-oxo tautomerisms of 2 (1H)- pyridones/2-hydorxypyridines, one of the most important model systems in molecular biology, have been investigated with self-consistent reaction field method based on continuum model. The influence of the nature and position of substituent groups, the existence of intramolecular hydrogen bonding and tautomeric competition between 2-hydroxy and 4-hydroxy on the tautomeric equilibria have also been examined.

第一部分,首先从溶剂敏感的异构化性质入手,用基于连续介质的自洽反应场理论方法对一类重要的生化模型体系—2(1H)-吡啶酮/2-羟基吡啶互变异构体系进行了研究,系统地考察了取代基性质、取代基位置、分子内氢键的形成以及互变异构竞争的存在对异构化平衡的影响。

Objective To study the effects of diazepam and sodium valproate infusion with CRRT in treatment of patients with tetramethylene disulfotetramine poisoning.

目的 探讨地西泮和德巴金联合抗惊厥及连续肾脏替代治疗对毒鼠强的清除作用。

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推荐网络例句

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。