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- soil resistivity ratio 土壤电阻率
- For low frequency, the self reactance and the inner reactance of the conductor are seriously influenced by the soil resistivity. 在频率较低时土壤电阻率对导体自阻抗和内阻抗的影响程度较大；
- The effects of soil resistivity, polarization characteristic of tank bottom, depth of anode, distance between anode and tank on cathodic protection potential distribution of tank bottom are studied. 研究了土壤电阻率、罐底的极化特性、阳极的埋深、与罐距离及数量等因素对罐底外侧阴极保护电位分布的影响，并将模拟结果与实测数据进行了对比。
- Foam earplug, Smooth, soil resistant skin is non-allergenic and non-irritating. 泡沫耳塞，柔软舒适，表面光滑，经防污处理，佩戴卫生安全，防噪音效果好。
- Resistivity ratio chrometography analysis imaging 电阻率层析成像
- apparent resistivity ratio of reservoir water 视地层水电阻率比值
- Study of the Temperature Impact on Soil Resistivity 温度对土壤电阻率影响的研究
- The effects of diamond grain sizes on wear resistance ratio of the sintering diamond compacts are investigated. 研究了金刚石的粒度对烧结体磨耗比的影响；
- The old style resistance ratio was 1:3, whereas the new DB and RR resistance ratio is a minimum of 1:15. 以前的电阻比为1：3，但是现在的电阻比的最小值已经达到1：15。
- Resistance ratio(RR) is calculated based on the baseline data tested with Taihu susceptible strain. 抗性倍数以太湖敏感品系为对照计算获得。
- Foam earplug, Smooth, soil resistant skin is non-allergenic and non-irritating.Comfortable, good noise... 泡沫耳塞，柔软舒适，表面光滑，经防污处理，佩戴卫生安全，防噪音效果好。
- electric resistance ratio of soil 土壤电阻率
- Research on soil resistance to wind erosion is very few in our country, this is very adverse to soil erosion prevention and cure and soil erosion evaluation. 但是我国对土壤抗风蚀能力的研究还几乎是一片空白,这对土壤风蚀防治和评价等工作的开展都是极其不利的。
- Results The resistance ratio of the field-collected strains to DDVP>66.85,and to propoxur,permethrin,cypermethrin and deltamethrin were 1.20,5.66,5.14 and 5.10 respectively. 结果苏州市德国小蠊对敌敌畏的抗性系数大于66.;85;对残杀威、氯菊酯、氯氰菊酯和溴氰菊酯的抗性系数分别是1
- When the fine content is about the same, clayey soil shows relatively high soil resistance to water flow at high suction when compared to the silty soil. 在细料含量相当时，黏土质土壤在较高吸力状态下土壤抵抗排水能力较粉土质为佳。
- The resistance ratio of the field-collected strains to DDVP>66.85,and to propoxur,permethrin,cypermethrin and deltamethrin were 1.20,5.66,5.14 and 5.10 respectively. 苏州市德国小蠊对敌敌畏的抗性系数大于66.;85;对残杀威、氯菊酯、氯氰菊酯和溴氰菊酯的抗性系数分别是1
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- Grounding Treatment in Substation in High Soil Resistivity Area 高土壤电阻率地区变电站接地处理
- Possitive calculation of three -dimentional resistivity ratio 三维电阻率正演
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
