加固
- 与 加固 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A prediction model has been proposed to deal with threshold voltage shift as a function of 1MeV neutron flux and gate oxide thickness, and to deal with room-temperature annealing of threshold voltage shift induced-by 〓Coγ as a function of electric field and gate oxide thickness. The commonness and individuality of MOS device degradation between hot-carrier effect and ionizing radiation were investigated. The dependence of substrate current, gate current and threshold voltage shift due to hot-carrier on gate oxide thickness were simulated with MEDICI-2D simulator. The photocurrents of PN junction and bipolar transistor were studied. Their transient responses on varied bias voltages, pulse durations and absorbed doses were simulated. The influences of NPN base width on base and collector photocurrents were investigated. We also studied 1MeV neutron displacement damage in PN junction, and calculated reverse current leakage under the neutron flux of 2. 67×10〓 per square centimeter. 3 The study of nondestructive screening method for MOS radiation tolerance A theoretical and experimental study of nondestructive screening methods for radiation tolerance of nMOS and pMOS were firstly fulfilled. We determined the informative parameters pertinent to the method and proposed how to deal with experimental data and verify obtained results statistically, as well as make the required steps for nondestructive screening. Based on the experimental data of 180 samples of discrete pMOS devices, the relation between sample quantity and correlation coefficient, screening equation, and other significant results were obtained from the threshold voltage shifts of pre-and post-irradiation samples.
二、分立器件电离和位移辐射损伤响应研究在国内首次开展了电离辐射引起的氧化层阈值电压漂移和退火理论研究,编程计算了1MeV中子引起的MOS器件阈值电压漂移与中子通量及栅氧厚度的关系,计算了〓Coγ光子引起的阈值电压漂移及退火的时效曲线与纵向电场和栅氧厚度的关系等,对评估MOS型集成电路电离损伤和加固方法研究,以及论文中开展的MOSFETs无损筛选方法研究奠定了基础;分析了MOS器件热载流子损伤效应与辐射电离损伤效应之间的异同性,利用二维模拟软件MEDICI-2D模拟了衬底电流和栅电流,在不同栅氧厚度下随栅压的变化曲线,计算了热载流子效应造成的阈值电压漂移,研究结果对当前存在的以热载流子效应研究取代电离辐射损伤实验研究的设想,具有重要的参考价值;开展了PN结和双极晶体管电离光电流研究,计算了不同偏压、不同辐射脉宽和不同吸收剂量下PN结光电流的瞬时响应,计算了不同辐射脉宽下NPN晶体管基极电流和收集极电流的瞬时响应,以及基区宽度对NPN晶体管光电流的影响,研究结果对双极器件抗电离辐射损伤响应及加固方法研究具有重要意义;在国内首次开展了器件位移损伤的理论研究,分析了辐射产生的缺陷对电性能的影响,计算了注量为2.67×10〓cm〓的1MeV中子产生的缺陷对PN结反向电流的影响。
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In this paper, mechanical properties of the sandy silt and fine sand mixed with cement and fly ashes in different amounts after different ages curing are researched, and the effect of cementing is compared. Through pull-out tests and direct shearing tests of geogrid in various soil, the interface characteristics of between geogrid and soil are measured.
本文通过室内物性试验、直剪试验和单轴压缩试验研究了采用不同掺量的水泥、粉煤灰加固后的砂质粉土和粉细砂养护不同龄期后的物理力学特性,并对加固效果进行了比较。
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After strengthened the hybrid precast specimens still have desirable seismic characteristics such as a self-centering capability and an ability to undergo large nonlinear displacements with little damage.
文中分析了加固与未加固试件的恢复力特性、延性、耗能等抗震性能与试验参数的关系,为其今后在地震地区的施工和设计提出一个经济、合理的建议。
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It is embodied concretely:(1) With the adoption of grouting bolts, the cranny in wall rocks can be blocked up, the air can be isolated, the wall rocks can be prevented to be weatherized and make water, the strength of wall rocks can also be avoided to be lowered;(2) The lax broken wall rocks are commentated to a whole by liquid after they were grouted and the rock"s strength is increased, so the wall rocks become a part of the support structure by using itself and become a whole with the original rock, and the roadway is made to keep stable but not easy to be broken;(3) The spray layer wall are filled with liquid after grouting, the stress is avoided to be concentrated because the load could be evenly acted on the spray layer and the support;(4) The pressure acted on the plank can be delivered to the two sidepieces and then to the bottom by reinforcing the sidepiece; At the same time, the concentration degree of loads acted on the motherboard can be weaken because of the enlargement of the combination arch"s thickness, as result, the rock"s stress is lowered and the heaving is alleviated;(5) The common bolt is made to be fixed the whole length after grouting, the layers are connected to a integral whole and bear the weight of loads, so the support structure"s unity is increased.
具体体现在:(1)采用注浆锚杆注浆,可以利用浆液封堵围岩裂隙,隔绝空气,防止围岩风化,且能防止淋水和渗水,避免围岩被水浸湿而降低围岩的本身强度及造成的巷道变形。(2)注浆后浆液将松散破碎的围岩胶结成整体,提高了岩体强度,实现利用围岩本身作为支护结构的一部分,且与原岩形成一个整体,使巷道保持稳定而不易产生破坏;(3)注浆后使得喷层壁后充填密实,保证荷载能均匀地作用在喷层和支护上,避免出现应力集中点而首先破坏;(4)注浆后使作用在顶板上的压力能有效地传递到两帮,通过对帮的加固,又能把荷载传递到底板;同时由于组合拱厚度的加大,这样又能减小作用在底板上的荷载集中度,从而减小底板岩石中的应力,减轻底臌;(5)注浆加固后能使普通端锚锚杆实现全长锚固,它们共同将多层组合拱连成一体,共同承载,提高了支护结构的整体性。
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The interface bond capability and the failure mode of soffit strengthening are studied, as well as the influence of strengthening concrete technique to the interface bond capability. The cracked load, the failure load, the tension stiffness, the stress of the steel bar and the cracks of the strengthening arch are compared with those of the contrast arch.
第五,考虑到实际工程应用,设计并制作了采用增大截面法在拱腹部位加固钢筋混凝土拱圈试件,研究拱腹加固新老混凝土结合面的粘结性能及破坏形式和补强混凝土的施工工艺对新老混凝土结合面粘结性能的影响。
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According to different geology of the Majishan Mineral Ore stockyard and characteristics of the project, Designer adopts dynamic replacement method, deep plastic sheet plus short vibro-replacement stone pile method and plastic sheet plus preloading method for different sub-areas, through grading stock measure during operation to achieve ground treatment aim, and make foundation treatment construction be easy, convenient and cost reasonable.
本设计根据马迹山矿石堆场不同区域的地质条件和工程特点,分区应用了强夯置换法、深层塑料排水板浅层振冲碎石桩、塑料排水板堆载预压等加固方法,并通过使用期分级加载措施,以达到地基加固的预期效果。
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On the base of the abave analysis,the first reinforce scheme is anti-slide pile to reinforceslope.Design and calculate anti-slide pile on theory of elasticity pile and rigidity pile.
针对上述计算分析的结果,提出边坡加固方案一:抗滑桩加固边坡分别按弹性桩和刚性桩对抗滑桩进行了设计计算。
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This load can be resisted by MSE reinforcements in the wall or by reinforcements extending from the backwall of the seat.
挡墙中的 MSE 加固材料或者从桥座后壁延伸出来的加固材料可以抵抗传来的这部分荷载。
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Combined with practical work and based upon analysis of advanced water prospecting advanced pre-grouting reinforcement scheme is proposed;at the same time practical construction technology is elaborated from construction of sealing batholite ,reinforcement range of curtain grouting,embedment of pipe,grouting construction process and other aspects.
结合工程概况,通过对超前探水情况的分析,提出采用超前预注浆的加固方案,并从止浆墙或止浆岩盘的施作、帷幕注浆的加固范围、孔口管的埋设、注浆施工过程等方面阐述了其施工技术,最后对注浆效果进行了检查评定,为今后类似工程的施工提供参考依据。
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Their load resistance behavior before and after applying FRP strengthening is investigated and analyzed by compositively using the methods of experiment, finite element numerical analogue and theoretical analysis.
本文将试验手段、有限元数值模拟方法和理论分析结合起来,对三组核心区配箍率不同的梁柱节点试件采用玻璃纤维片材加固,并对加固前后的承载性能进行了比较和分析。
- 推荐网络例句
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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。
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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 。
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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。