Powder Factor: The Ineffective Design Tool

Anthony Konya; Cal Konya

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Powder Factor: The Ineffective Design Tool

机译：粉末因子：无效的设计工具

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Since the first application of black powder for blasting in 1627, blasters and engineers have been using powder factor as a design tool. Powder factor is the ratio of pounds of explosive used in a blast to the total volume of rock blasted; a typical range for surface blasting is 1.0 to 2.0 pounds per cubic yard (lb/yd3). During the first few centuries of blasting the thought process was that each rock, depending on type and structural geology, had a specific powder factor that when achieved would give optimal fragmentation.

机译：由于1627年的黑色粉末的第一次应用，爆破和工程师一直使用粉末因子作为设计工具。粉末因子是爆炸中使用的炸药的比例与爆炸的总体积; 表面爆破的典型范围为每立方距离为1.0至2.0磅（LB / YD3）。在前几个世纪爆破期间，思想过程是，根据类型和结构地质，每个岩石都具有特定的粉末因子，即在实现时会提供最佳的碎片。

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《Engineering & Mining Journal》 |2019年第1期|共6页
作者
Anthony Konya; Cal Konya;
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正文语种 eng
中图分类矿业工程;
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专利

1. Powder Factor: The Ineffective Design Tool [J] . Anthony Konya, Cal Konya Engineering & Mining Journal . 2019,第1期

机译：粉末因子：无效的设计工具
2. Conceptual and Operational Definitions of the Defining Characteristics and Related Factors of the Diagnosis Ineffective Health Management in People With Heart Failure Ineffective Health Management in People With Heart Failure [J] . Souza Carneiro Camila, Takao Lopes Camila, Lima Lopes Juliana, International journal of nursing knowledge . 2017,第2期

机译：心力衰竭心力衰竭患者诊断诊断特征及诊断相关因素的概念和运行定义。
3. Material adapted tool design in cold forging exemplified by powder metallurgical tool steels and industrial ceramics [J] . Manfred Geiger, M. Arbak, U. Engel Production Engineering . 2008,第4期

机译：适用于冷锻的材料设计工具，例如粉末冶金工具钢和工业陶瓷
4. Filtering of ineffective siRNAs and improved siRNA design tool [C] . Prudence W. H. Wong, T. W. Lam, Y. C. Mui, Proceedings of the Second conference on Asia-Pacific bioinformatics . 2004

机译：过滤无效的siRNA和改进的siRNA设计工具
5. CATDS (Computer Aided Tool Design System): Development of an integration architecture to combine powder metallurgy tool design knowledge and conventional computer aided design system. [D] . Kim, Mansig. 1997

机译：CATDS（计算机辅助工具设计系统）：开发集成体系结构，以结合粉末冶金工具设计知识和常规计算机辅助设计系统。
6. Why is multiple micronutrient powder ineffective at reducing anaemia among 12–24 month olds in Colombia? Evidence from a randomised controlled trial [O] . Alison Andrew, Orazio Attanasio, Emla Fitzsimons, 2016

机译：为什么在哥伦比亚的12-24个月大的人群中多种微量营养素粉对减少贫血没有效果？随机对照试验的证据
7. Filtering of ineffective siRNAs and improved siRNA design tool [O] . Lin M, Kung HF, Mui YC, 2005

机译：过滤无效的siRNa和改进的siRNa设计工具
8. Operational Factors: Fact or Fiction, Effective or Ineffective [R] . McCormick, M. 2006

机译：操作因素：事实或虚构，有效或无效

Powder Factor: The Ineffective Design Tool

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