冲击片雷管

一种冲击片雷管包括一个开口垂直倒置的药盂，药盂的口与水平放置的爆箔起爆器的上表面相毗邻，一完整的法兰，水平地铺在药盂口的外周围；一片盖板，板上有一个定位孔，通过孔与ＥＦＩ的上表现接触，通过这个孔，药盂垂直伸展；一个镗孔咬合住法兰，使口部对着上表面，这样，施加给药盂的侧向力将传递给盖板。     

3D图像／数据体处理新方法

在３Ｄ可视化环境里引入３Ｄ图像处理和体描技术可为地震解释提供一种真正的３Ｄ方法。目前，运用地震表达法可以把复杂油气藏几何形状从３Ｄ地震体里分离出来，并贮存起来以备将来油藏管理使用，体解释将提高地震解释的速度和质量。３Ｄ图像处理工具的应用将产生一种更加一致、更加量化的３Ｄ地震解释结果。     

EFP多点起爆研究

本研究由ＭＯＤ支持，评估了有几个起爆点的爆炸成形弹丸，固定的参数为１１２ｍｍ弹径，铁质药型罩和炸药装药，这样做的结果是弹丸长度明显减小。通过一种数字和实验的方法研究了杵体弹的爆轰性能和空气动力学特性，观察爆轰波的相互作用，发现超压的作用保证了一个速度 ２１４０ｍ／ｓ和１２２ｍｍ长的杵体弹，而炸药高度只有３０ｍｍ。     

用于冲击片雷管的爆炸驱动开关的电性能

对计划用于冲击片雷管的快速高电流开关进行与时间有关的电阻测量。这种开关由铜－聚合物－铜叠层片构成，设计用于在受到爆炸驱动的铜飞片撞击后传导电。我们实验中使用的聚合物膜是Ｋａｐｔｏｎ（聚苯均四甲酰亚胺），预计这种膜在９ＧＰａ和９ＧＰａ以上的压力下具有冲击感应传导性。当这种开关中获得９ＧＰａ左右的冲击压力时，没有发现有明显的冲击传导作用。通过观察Ｔｅｆｌｏｎ（聚四氟乙烯）膜开关同样的电性能进一步证实了     

Automated zebrafish chorion removal and single embryo placement: optimizing throughput of zebrafish developmental toxicity screens

The potential of the developing zebrafish model for toxicology and drug discovery is limited by inefficient approaches to manipulating and chemically exposing zebrafish embryos-namely, manual placement of embryos into 96- or 384-well plates and exposure of embryos while still in the chorion, a barrier of poorly characterized permeability enclosing the developing embryo. We report the automated dechorionation of 1600 embryos at once at 4 h postfertilization (hpf) and placement of the dechorionated embryos into 96-well plates for exposure by 6 hpf. The process removed ≥95% of the embryos from their chorions with 2% embryo mortality by 24 hpf, and 2% of the embryos malformed at 120 hpf. The robotic embryo placement allocated 6-hpf embryos to 94.7% ± 4.2% of the wells in multiple 96-well trials. The rate of embryo mortality was 2.8% (43 of 1536) from robotic handling, the rate of missed wells was 1.2% (18 of 1536), and the frequency of multipicks was <0.1%. Embryo malformations observed at 24 hpf occurred nearly twice as frequently from robotic handling (16 of 864; 1.9%) as from manual pipetting (9 of 864; 1%). There was no statistical difference between the success of performing the embryo placement robotically or manually.     

Co-located collaborative visual analytics around a tabletop display

Co-located collaboration can be extremely valuable during complex visual analytics tasks. We present an exploratory study of a system designed to support collaborative visual analysis tasks on a digital tabletop display. Fifteen participant pairs employed Cambiera, a visual analytics system, to solve a problem involving 240 digital documents. Our analysis, supported by observations, system logs, questionnaires, and interview data, explores how pairs approached the problem around the table. We contribute a unique, rich understanding of how users worked together around the table and identify eight types of collaboration styles that can be used to identify how closely people work together while problem solving. We show how the closeness of teams’ collaboration and communication influenced how they performed on the task overall. We further discuss the role of the tabletop for visual analytics tasks and derive design implications for future co-located collaborative tabletop problem solving systems.