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李昌镐大局观
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作者 陈兆峰 《棋艺(象棋)》 2000年第9期46-47,共2页
关键词 参考图 白方 向小目 安定状态 二连星 有效地压 锦标赛 解答图 大局观 特殊位置
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李昌镐的大局观
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作者 陈兆峰 《棋艺(象棋)》 1998年第7期19-20,共2页
关键词 参考图 白方 大局观 简洁有力 分歧点 前后关联 有效地压 手法 方向感 有效地利用
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“换据计息”收回个人欠款措施好
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作者 钟阿金 《中国乡镇企业会计》 1996年第4期32-32,共1页
“换据计息”收回个人欠款措施好钟阿金江苏省射阳县耦耕乡三大检查办公室针对“应收款一职工社员欠款”数额较大,影响资金运用,转而借高利贷的普遍和题,在三角镇村进行了整改试点。三角镇村(含村办企业、政企合一体制)计有近二百... “换据计息”收回个人欠款措施好钟阿金江苏省射阳县耦耕乡三大检查办公室针对“应收款一职工社员欠款”数额较大,影响资金运用,转而借高利贷的普遍和题,在三角镇村进行了整改试点。三角镇村(含村办企业、政企合一体制)计有近二百名职工和社员,共欠款19.3万元长... 展开更多
关键词 江苏省射阳县 应收款 人欠 高利贷 欠款利息 资金运用 经济手段 耦耕乡 有效地压 数据说明
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海上对抗
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作者 关文桂 《科学之友》 1995年第11期23-23,22,共2页
早期舰船成为海上"霸王",逍遥自在地在海洋中横冲直撞,虽然有火炮、鱼雷和水雷等常规武器对它进行袭击,但一般不会给舰船造成致命的威胁,几乎没有强硬的对手能够有效地压制它的意志。直至1967年第三次中东战争,反舰导弹才首... 早期舰船成为海上"霸王",逍遥自在地在海洋中横冲直撞,虽然有火炮、鱼雷和水雷等常规武器对它进行袭击,但一般不会给舰船造成致命的威胁,几乎没有强硬的对手能够有效地压制它的意志。直至1967年第三次中东战争,反舰导弹才首次得到实战应用。当时埃及采用前苏制"冥河"舰舰导弹击沉了以色列2千吨级的"艾拉特号"驱逐舰。这一活生生的战例震惊世界,引起各国海军的极大关注。面临反舰导弹的威胁,鉴于早期导弹体积大、性能差,尤其是抗干扰能力差的弱点,舰船上采取诱骗措施,曾有效地抑制反舰导弹的攻击。 展开更多
关键词 反舰导弹 舰船 舰舰导弹 以色列 第三次中东战争 驱逐舰 实战应用 掠海飞行 抗干扰能力 有效地压
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Effective stress analysis method of seismic response for high tailings dam 被引量:3
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作者 柳厚祥 李宁 +2 位作者 廖雪 吴从师 潘旭东 《Journal of Central South University of Technology》 EI 2007年第1期129-134,共6页
Based on the analysis method for tailings dam in upstream raising method presently used in metallurgy and nonferrous metals tailings depository in the world, an effective stress analysis method of seismic response for... Based on the analysis method for tailings dam in upstream raising method presently used in metallurgy and nonferrous metals tailings depository in the world, an effective stress analysis method of seismic response for high tailings dam was developed according to the results of engineering geological exploration, static and dynamic test and stability analysis on Baizhishan tailing dam 113.5 m high. The law of generation, diffusion and dissipation of seismic pore water pressure during and after earthquake was investigated, and the results of tailings dam’s acceleration, seismic dynamic stress and pore water pressure were obtained. The results show that the seismic stability and liquefaction resistance of high tailings dam are strengthened remarkably, and the scope and depth of liquefaction area at the top of dam are reduced greatly. The interior stress is compressive stress, the stress level of every element is less than 1.0 and the safety coefficient of every element is greater than 1.0. The safety coefficient against liquefaction of every element of tailing dam is greater than 1.5 according to the effective stress analysis of seismic response by finite element method. The calculated results prove that liquefaction is the main reason of seismic failure of high tailing dams, and the effect of seismic inertia forces on high tailing dams’ stability during earthquake is secondary reason. 展开更多
关键词 tailings dam seismic response effective stress nonlinear analysis against liquefaction upstream raising method
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Three-dimensional numerical simulation and earth pressure analysis on double-row piles with consideration of spatial effects 被引量:16
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作者 Zi-han WANG Jian ZHOU 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 SCIE EI CAS CSCD 2011年第10期758-770,共13页
As a new kind of technology in retaining structures, the characteristics of double-row piles are significantly affected by spatial effects. In this paper, double-row piles as a retaining structure are simulated numeri... As a new kind of technology in retaining structures, the characteristics of double-row piles are significantly affected by spatial effects. In this paper, double-row piles as a retaining structure are simulated numerically in three-dimension by finite element software PLAXIS 3D FOUNDATION. The behavior differences of piles in different positions around the foundation pit are analyzed. By changing the parameters, including the length-width ratio, the excavation depth, the distance between rows and the diameter of piles, the variations of the lateral deformation, the bending moment and the earth pressure around the piles are determined. The reasonable values of parameters and some suggestions with consideration of earth pressure are proposed for the design of double-row piles as a retaining structure. The results show that the lateral deformation and bending moment are the largest in the middle of long side of the foundation pit, which is identified as the most unfavorable position. It is indicated that the earth pressure between rows above pit bottom is close to active earth pressure, while the earth pressure between rows under pit bottom is close to static earth pressure. It is suggested that 1/2-2/3 of pile length, 0.6-1.2 m, 3d-6d, and 2d-2.5d be chosen as embedded depth of piles, diameter of piles, distance between rows, and distance between piles, respectively, where d is the pile diameter. 展开更多
关键词 Double-row piles Retaining structure Spatial effect Finite element Earth pressure
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