On the eve of the Opium War,J.F.Davis,His Majesty’s Chief Superintendent of British Trade in China,put forward“Reticent”policy to ease the Sino-British relations after“Napier’s Fizzle”.The“Reticent”policy is a...On the eve of the Opium War,J.F.Davis,His Majesty’s Chief Superintendent of British Trade in China,put forward“Reticent”policy to ease the Sino-British relations after“Napier’s Fizzle”.The“Reticent”policy is an informal foreign policy towards China,the main purpose of which is to safeguard Britain’s economic interests in China.However,due to the compromise of this policy,it aroused the dissatisfaction and resistance of British businessmen in China,so it was not implemented for a long time.After the“Reticent”policy failed,the British government turned to the“gunboat”policy.展开更多
设{X_i,i≥1}是一严平稳零均值LPQD随机变量序列,0<EX_1~2<∞,σ~2=EX_1~2+sum from j=2 to ∞(E(X_1X_j)),并且0<σ~2<∞,令S_n=sum from i=1 to n(X_i),利用部分和S_n的弱收敛定理,证明了当ε→0时,sum from n≥1 to(n^(r...设{X_i,i≥1}是一严平稳零均值LPQD随机变量序列,0<EX_1~2<∞,σ~2=EX_1~2+sum from j=2 to ∞(E(X_1X_j)),并且0<σ~2<∞,令S_n=sum from i=1 to n(X_i),利用部分和S_n的弱收敛定理,证明了当ε→0时,sum from n≥1 to(n^(r/p-2))P〔│S_n│≥εn^(1/p)〕,sum from n≥1 to(1/n)P〔│S_n│≥εn^(1/p)〕,sum from n≥1 to((1n n)~δ/n)P〔│S_n│≥ε(n 1n n)~(1/2)〕的精确渐近性.展开更多
In this paper we investigated theL 1 norm inequalities of theP square and the maximal functions of two-parameterB-valued strong martingales, which can be applied to characterizep-smoothness andq-convexity of Banach sp...In this paper we investigated theL 1 norm inequalities of theP square and the maximal functions of two-parameterB-valued strong martingales, which can be applied to characterizep-smoothness andq-convexity of Banach spaces.展开更多
Aiming at the characteristics of the long tubular powder,a one-dimensional discrete group gas-solid two-phase flow model was established for the large caliber high speed Davis gun with a tubular modular charge.In this...Aiming at the characteristics of the long tubular powder,a one-dimensional discrete group gas-solid two-phase flow model was established for the large caliber high speed Davis gun with a tubular modular charge.In this model,the tubular modules were described by the Lagrangian system without being assumed as pseudofluid,whereas the gas field is described by Eulerian system.The new model was used to simulate a 480 mm Davis gun.The simulation results were compared with test results,and the model was verified to be feasibility.This study provides a new method to research the interior ballistic performance of Davis guns.展开更多
文摘On the eve of the Opium War,J.F.Davis,His Majesty’s Chief Superintendent of British Trade in China,put forward“Reticent”policy to ease the Sino-British relations after“Napier’s Fizzle”.The“Reticent”policy is an informal foreign policy towards China,the main purpose of which is to safeguard Britain’s economic interests in China.However,due to the compromise of this policy,it aroused the dissatisfaction and resistance of British businessmen in China,so it was not implemented for a long time.After the“Reticent”policy failed,the British government turned to the“gunboat”policy.
文摘设{X_i,i≥1}是一严平稳零均值LPQD随机变量序列,0<EX_1~2<∞,σ~2=EX_1~2+sum from j=2 to ∞(E(X_1X_j)),并且0<σ~2<∞,令S_n=sum from i=1 to n(X_i),利用部分和S_n的弱收敛定理,证明了当ε→0时,sum from n≥1 to(n^(r/p-2))P〔│S_n│≥εn^(1/p)〕,sum from n≥1 to(1/n)P〔│S_n│≥εn^(1/p)〕,sum from n≥1 to((1n n)~δ/n)P〔│S_n│≥ε(n 1n n)~(1/2)〕的精确渐近性.
基金Supported by the National Natural Science Foundation of China
文摘In this paper we investigated theL 1 norm inequalities of theP square and the maximal functions of two-parameterB-valued strong martingales, which can be applied to characterizep-smoothness andq-convexity of Banach spaces.
文摘Aiming at the characteristics of the long tubular powder,a one-dimensional discrete group gas-solid two-phase flow model was established for the large caliber high speed Davis gun with a tubular modular charge.In this model,the tubular modules were described by the Lagrangian system without being assumed as pseudofluid,whereas the gas field is described by Eulerian system.The new model was used to simulate a 480 mm Davis gun.The simulation results were compared with test results,and the model was verified to be feasibility.This study provides a new method to research the interior ballistic performance of Davis guns.