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- Switched capacitor( SC) unit delayer, positive negative proportors and adder were designed using two phase clocks. 用二相时钟设计了对寄生电容低灵敏的开关电容单位延时器、负比例器和加法器.
- Hybrid supercapacitors were fabricated using Ni (OH)_2 positive negative and electrodes of activat- ed carbon. 以Ni(OH)_2和活性炭为正负极组成复合电化学电容器。
- Methods Using positive negative blend grouping to detect ABO blood group, and compared with normol subjects. 方法用临床常规的正反定型法对病人ABO血型检测，并与正常人血型对照。
- The Heavy Duty pressure gauges with capsule element are used to measure small positive negative gauge pressures in gaseous media. 膜盒压力表用于测量气体介质的正负微过压。
- It was found that the coinci- deuce of immunohistochemistry and western blotting with the true positive negative cases is 100%, and the co- incidence of ELISA is somewhat lower. 通过比较发现免疫组化及免疫转印法与标准品真实情况的符合率均为100%25，ELISA的符合率稍差。
- The first two coupled regimes are characterized by the relationships between the warm cold phase of ENSO episodes and positive negative phase of PNA patterns. 第一个和第二个耦合流型域以ENSO事件冷暖位相与北太平洋／北美区的正负位相PNA型之间的关系为主要特征。
- The mathematical model of the constrained positive negative term geometrical programming duality method, the relationship between the original and the duality programming, and the algorithmic steps are briefly reviewed. 本文对约束正负项式几何规划对偶法的数学模型、规划问题和对偶规划问题之间的关系和算法步骤作了简要介绍。
- positive negative ambivalent quotient 正负矛盾情绪商
- PNPB positive negative pressure breathing 正负压呼吸
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- positive negative pressure ventilation 正负压通气
- positive negative pulse stuffing 正负脉冲
- intermittent positive negative pressure breathing 间歇性正负压呼吸
- intermittent positive negative pressure ventilation 间歇性正负压换气
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- The positive or negative character of a proposition. 命题的性质命题的肯定或否定的性质
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- PN Philippine Aero Transport Inc. 菲律宾航空运输公司。
