electrum相关的网络解释
查询词典 electrum
- 与 electrum 相关的网络解释 [注:此内容来源于网络,仅供参考]
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coefficient of self-weight collapsibility:自重湿陷系数
在有些文献中煤层自重湿陷系数(coefficient of self weight collapsibility)判别自重湿陷性黄土和非自重湿陷性黄土的指标. 自重湿陷系数δzs按下式求出:δzs=(hz-h′z)/h0自然金(gold)成分Au,常含银和微量的铜. 当含银量超过15%时,称为银金矿(electrum),成分(Au,Ag).
- 推荐网络解释
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Office Automation System:事务自动化系统
1959 其他照明设备 Others | 1960 事务自动化系统 Office Automation System | 1970 实验测定用具 Test and Measuring Instrument
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Angelica P.E:当归提取物
11白柳皮提取物 White Willow Bark P.E. | 12当归提取物 Angelica P.E. | 13荷叶提取物 Lotus Leaf P.E.
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established to the satisfaction of:证明且令......信纳
确立其债项-----established his debt | 证明且令......信纳-----established to the satisfaction of . . . | 证实-----establishes