反极性即反极性计费原理,是公用电话的一个计费信号。
反极性连接 reversed polarity
相反极性 [电子] opposite polarity
直流反极性 DCRP
反极性保护 Reverse Power Protection ; Reverse Voltage Protection ; Reverse polarity protection
反极性脉冲 [电子] inverted pulse
反极性物质 antipolar mass
反极性测试 Reversed Polarity Test
反极性指标 Reverse polarity indicator
反极性衔铁 reverse polarity armature ; negative armature
The two characters of gun are decided by the condition of negative polarity weak plasma arc's burning.
该枪体的这两个特征是由反极性弱等离子弧的两个相应的稳定燃烧条件所决定的。
参考来源 - 反极性弱等离子弧堆焊设备及电弧特性研究·2,447,543篇论文数据,部分数据来源于NoteExpress
在2008年的时候,太阳科学家们观测到一个位于太阳高纬地区反极性的黑子,他们认为这是新一轮太阳活动开始的标志。
Back in 2008 solar scientists saw a high-latitude, reversed-polarity sunspot, suggesting the start of a new solar cycle.
结果培养的RPE细胞可在培养皿中存活2~ 3个月。顺极性和反极性培养不影响细胞的形态和存活时间。
Results Cultured RPE can survive 2~3 months in a culture dish either being placed right side up or up side down and maintain the typical morphological characters of epithelial cells.
淀粉是赤铁矿反浮选工艺中常用的赤铁矿抑制剂,而废啤酒酵母溶解相中含有与淀粉中相似的极性基团。
Starch is a commonly used hematite depressor in reverse flotation of hematite and dissolved waste Saccharomyces Cerevisiae contains a polar group similar to starch.
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