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    • 21. 发明申请
    • High-grade duplex stainless steel with much suppressed formation of intermetallic phases and having an excellent corrosion resistance, embrittlement resistance castability and hot workability
    • 高品位双相不锈钢,具有抑制金属间相形成并且具有优异的耐腐蚀性,耐脆性铸造性和热加工性
    • US20050158201A1
    • 2005-07-21
    • US10507069
    • 2003-03-24
    • Yong-Soo ParkSoon-Tae KimIn-Sung Lee
    • Yong-Soo ParkSoon-Tae KimIn-Sung Lee
    • C22C38/00C22C38/42C22C38/44C22C38/58
    • C22C38/44C21D2211/001C21D2211/005C22C38/001C22C38/002C22C38/005C22C38/42C22C38/58
    • Formation of intermetallic phases such as sigma (σ) and khi (χ) shows detrimental effects on the corrosion and mechanical properties of high-grade duplex stainless steel. The present invention provides high-grade duplex stainless steel with much suppressed formation of intermetallic phases, of which the chemical composition consists essentially, on a weight basis, of: Cr: 21.0%˜38.0%, Ni: 3.0%˜12.0%, Mo: 1.5%˜6.5%, W: 6.5% or less, Si: 3.0% or less, Mn: 8.0% or less, N: 0.2%˜0.7%, C: 0.1% or less, at least one element selected from the group consisting of Ba: 0.0001˜0.6% and one or more elements of Mischmetal (MM) and Y: 0.0001˜1.0% in total, and a balance of Fe and incidental impurities. The pitting resistance equivalent has a value of 40≦PREW≦67 defined by the following formula (1): PREW=wt. % Cr+3.3(wt. % Mo+0.5 wt. % W)+30 wt. % N  ((1)The present high-grade duplex stainless steel exhibits an excellent corrosion resistance, embrittlement resistance, castability and hot workability.
    • 金属间相的形成,如σ(sigma)和khi(chi)显示对高级双相不锈钢的腐蚀和机械性能的不利影响。 本发明提供了高度双相不锈钢,其金属间相的形成受到很大的抑制,其化学组成基本上以重量为基准计:Cr:21.0%〜38.0%,Ni:3.0%〜12.0%,Mo :1.5%〜6.5%,W:6.5%以下,Si:3.0%以下,Mn:8.0%以下,N:0.2%〜0.7%,C:0.1%以下,选自 由Ba:0.0001〜0.6%和一个或多个Mischmetal(MM)元素组成的组,Y:0.0001〜1.0%,余量为Fe和杂质。 点蚀电阻等效值由以下公式(1)定义的40 <= PREW <= 67的值:<?in-line-formula description =“In-line Formulas”end =“lead”?> PREW = wt。 %Cr + 3.3(重量%Mo + 0.5重量%W)+30重量% %N((1)<?in-line-formula description =“In-line Formulas”end =“tail”?>本高级双相不锈钢表现出优异的耐腐蚀性,耐脆性,铸造性和热加工性。
    • 28. 发明授权
    • Speech coding system and method using time-separated coding algorithm
    • 语音编码系统和使用时间分隔编码算法的方法
    • US06662153B2
    • 2003-12-09
    • US09769068
    • 2001-01-24
    • Hyoung Jung KimIn Sung LeeJong Hark KimMan Ho ParkByung Sik YoonSong In ChoiDae Sik Kim
    • Hyoung Jung KimIn Sung LeeJong Hark KimMan Ho ParkByung Sik YoonSong In ChoiDae Sik Kim
    • G10L1106
    • G10L19/02
    • A time-separated speech coder that codes a transitional signal of voiced/unvoiced sound through harmonic speech coding, the coder including a transitional excitation signal analyzer/synthesizer for coding the transitional signal by extracting the harmonic model parameters of both transitional analyzers after detecting a transitional point and generating sinusoidal waveforms according to a variable transitional point separating both transitional analyzers. By the transitional point at which energy varies abruptly and the time-separated coding based on the transitional point, more improved speech quality than in the general harmonic speech coder can be obtained using the time-separated speech coder by increasing the representation capability of the transitional signal with large energy variation, after adapting it to the variable transitional point.
    • 一种分时语音编码器,通过谐波语音编码对有声/无声音的过渡信号进行编码,编码器包括一个过渡激励信号分析仪/合成器,用于通过在检测到过渡时间后提取两个过渡分析仪的谐波模型参数,对过渡信号进行编码 并根据可变过渡点分离两个过渡分析仪产生正弦波形。 通过能量突然变化的过渡点和基于过渡点的时间分离编码,可以使用时间分离的语音编码器通过增加过渡的表示能力来获得比一般谐波语音编码器更好的语音质量 信号具有较大的能量变化,适应可变过渡点后。
    • 29. 发明授权
    • Cylindrical secondary battery of improved safety
    • 圆柱二次电池提高了安全性
    • US08062786B2
    • 2011-11-22
    • US12310861
    • 2007-09-08
    • Sungjong KimIn Sung LeeJaehan JungGeun Ho SeoDongsub LeeMunsung KimJi Hyun LeeNakjin Kim
    • Sungjong KimIn Sung LeeJaehan JungGeun Ho SeoDongsub LeeMunsung KimJi Hyun LeeNakjin Kim
    • H01M2/02H01M2/00
    • H01M2/0413H01M2/347
    • Disclosed herein is a cylindrical secondary battery constructed in a structure in which a crimping region, at which a cap assembly is mounted to the open upper end of a cylindrical container having an electrode assembly mounted therein, is formed at the upper end of the container, wherein the crimping region is constructed in a structure in which the upper end of the crimping region is gently bent at a predetermined radius of curvature (R), such that the crimping region surrounds a gasket located at the inside of the crimping region, the bent front end extends inward, such that the bent end presses the gasket, and an inclination of a predetermined angle is formed at the sidewall of the crimping region, such that the upper part of the crimping region is directed inward. According to the secondary battery of the present invention, the sealability of the gasket is improved, and external impacts are partially absorbed by the inclination formed at the crimping region. Consequently, the deformation of the crimping region is minimized, whereby the leakage of the electrolyte is prevented, and the safety of the battery is greatly improved.
    • 本文公开了一种圆柱形二次电池,其构造成在容器的上端形成有压接区域,在该压接区域处将盖组件安装到其中安装有电极组件的圆筒形容器的敞开的上端, 其中所述卷曲区域被构造成其中所述卷曲区域的上端以预定的曲率半径(R)轻轻地弯曲的结构,使得所述卷曲区域围绕位于所述卷曲区域的内侧的垫圈,所述弯曲区域 前端向内延伸,使得弯曲的端部按压垫圈,并且在压接区域的侧壁处形成预定角度的倾斜,使得卷曲区域的上部被向内指向。 根据本发明的二次电池,提高了垫圈的密封性,并且外部冲击部分地被形成在压接区域的倾斜部分地吸收。 因此,压接区域的变形被最小化,从而防止了电解液的泄漏,并且大大提高了电池的安全性。