Living bacterial counting revealed that no colony growth was observed in culture media with novel stabilized neutral potential water freshly prepared and preserved for 8 months.
活菌培养计数结果显示:添加新鲜配制和保存8个月的新型稳定中性电位水的培养皿上均未见菌落生长。
Although biomass fuel has the potential to be virtually carbon neutral, the demand for cooking wood is driving deforestation in some parts of the world.
尽管生物质燃料实际上有碳中立的潜力,但在世界上的某些地区,烹饪用木材的需求却推波助澜了滥砍滥伐。
Two methods to control the neutral point potential are proposed in this thesis which can solve the neutral point potential problem owned by three-level inverter.
针对三电平逆变器固有的中点电位平衡问题,本文提出并分析了两种能控制中点电位平衡的控制策略。
It was observed that samples bleached in neutral region showed maximum copper number, mini-mum tensile strength, minimum degree of polymerization, and greatest potential damage.
可以看出经过近中性范围内漂白的样品铜值最大,强度最低,聚合度最低,并具有最大的潜在损伤。
A method of keeping neutral point potential balanced based on three-level SPWM had been brought forward, which can improve output waveform and decrease the possibility of IGCT's over-voltage.
提出了一种基于三电平spwm调制的中点电压抑制方法,在改善输出波形质量的同时,有效的降低了IGCT过电压的危险。
Objective To evaluate the 3T3 Mouse Fibroblast neutral red uptake phototoxicity test(3T3 NRU-PT)method detecting potential phototoxicity of cosmetic products.
目的研究3T3成纤维细胞中性红摄取试验(3T3NRU PT)在化妆品安全性评价中取代动物光毒性试验的可行性。
There are several factors affecting neutral grounded transformers, among then, ground potential rise is most important.
对中性点接地变压器的影响因素包括多个,其中最主要的是地电位升。
Meanwhile, a corresponding strategy is also introduced to solve the inherent neutral point potential fluctuations of diode-clamped circuit.
针对二极管篏位形式电路固有的中点电位偏移问题,本文也提出了相应的控制策略。
After experiments with a load, neutral point potential is always maintained within the allowable range, to achieve a dynamic balance.
经过带载实验运行,中点电位始终保持在允许范围内,实现了动态平衡。
Meanwhile, the topology has voltage-self-balance ability, and therefore, no additional neutral-point-potential balancing circuit is needed.
同时,该拓扑具有电压自平衡能力,无需额外的中点电位平衡电路。
Meanwhile, the topology has voltage-self-balance ability, and therefore, no additional neutral-point-potential balancing circuit is needed.
同时,该拓扑具有电压自平衡能力,无需额外的中点电位平衡电路。
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