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    • 5. 发明申请
    • FRAGMENTED TAGGANT AMMUNITION CODING SYSTEM AND METHOD
    • 简化的标签弹药编码系统和方法
    • WO0071966A3
    • 2001-04-19
    • PCT/US0013937
    • 2000-05-19
    • WELLE RICHARD P
    • WELLE RICHARD P
    • F42B5/02F42B5/16
    • F42B35/00C06B23/008F42B5/02F42B5/16
    • The present invention relates to identification tagging and is specifically directed to identification tagging of ammunition (10). An isotopic taggant (16) is deposited in a layer at the interface between the primer (12) and the propellant so that, as the ammunition is fired, the taggant is dispersed throughout the propellant. The taggant is thus contained in the gunshot residue formed during the firing, and can be read by analysis of residue particles. Alternatively, the taggant may be deposited in a layer (24) under the primer reactants, or in pellets (22) which are easily destroyed by the chemical reactions involved in firing the ammunition, again dispersing the taggant throughout the propellant and the gunshot residue. Non-isotopic chemical taggants may also be employed if they are encoded so as to minimize the possibility of the information being destroyed or improperly read after the taggants are exposed to the chemical reactions in firing the ammunition. This is accomplished by employing a binary coding system and a system of authentication tags. Particulate taggants may also be used. The required large number of unique identification tags are obtained by using a fragmented coding system wherein each particle encodes only a portion of the serial number.
    • 本发明涉及识别标签,特别涉及弹药识别标签(10)。 同位素标记物(16)沉积在底漆(12)和推进剂之间的界面处的一层中,使得随着弹药的燃烧,标签剂分散在整个推进剂中。 因此,标记剂被包含在烧制期间形成的枪支残留物中,并且可以通过残留物颗粒的分析来读取。 或者,标记剂可以沉积在底漆反应物下面的层(24)中,或沉积在通过烧制弹药所引起的化学反应容易破坏的颗粒(22)中,再次将标记物分散在整个推进剂和喷枪残留物中。 也可以使用非同位素化学标签,如果它们被编码,以便在标记物暴露于弹药的化学反应之后使信息被破坏或不正确读取的可能性最小化。 这是通过采用二进制编码系统和认证标签系统来实现的。 也可以使用颗粒标签。 通过使用分段编码系统获得所需的大量唯一识别标签,其中每个粒子仅编码序列号的一部分。
    • 8. 发明申请
    • MICROFLUIDIC DEVICE FOR INDUCING SEPARATIONS BY FREEZING AND ASSOCIATED METHOD
    • 用于通过冷冻诱导分离的微流体装置和相关方法
    • WO2008115916A1
    • 2008-09-25
    • PCT/US2008/057347
    • 2008-03-18
    • THE AEROSPACE CORPORATIONWELLE, Richard P.
    • WELLE, Richard P.
    • G01N30/00
    • B01D17/00B01D9/004B01D9/04B01L3/502769B01L2200/0631B01L2300/0887B01L2300/1822B01L2300/1827B01L2400/0677Y10T137/2196Y10T436/25375
    • A microfluidic device is provided for inducing the separation of constituent elements from a microfluidic sample by inroducing phase changes in the microfluidic sample while contained in a microfluidic channel in the device. At least a portion of the microfluidic sample is frozen to cause fractional exclusion of the constituent element from the frozen portion of the microfluidic sample. Different portions of the microfluidic sample may be frozen in different sectors and at different times in order to cause movement in a desired direction of the separated constituent element. Portions of the microfluidic sample may be frozen in a sequential order of adjacent sectors within the microfluidic channel in order to cause sequential movement of the excluded constituent element toward one portion of the microfluidic channel. The frozen portion of the microfluidic sample is then thawed, wherein the separated constituent element remains substantially separated from the thawed, purified microfluidic sample.
    • 提供了一种微流体装置,用于通过在装置中的微流体通道中包含微流体样品中的相变而引起构成元件与微流体样品的分离。 将微流体样品的至少一部分冷冻以引起构成元件从微流体样品的冷冻部分的分级排除。 微流体样品的不同部分可以在不同的扇区中被冷冻,并且在不同的时间被冷冻以引起在所分离的构成元件的期望方向上的移动。 微流体样品的部分可以以微流体通道内的相邻扇区的顺序冷冻,以便排除构成元件朝着微流体通道的一部分顺序移动。 然后将微流体样品的冷冻部分解冻,其中分离的构成元件基本上与解冻的纯化的微流体样品分离。