查询词典 RF

Methods:tlc was used by the same rf of the color for the identification,the content of uncaria alkaloid in rhynchophylline was determined by ultraviolet spectrophotometry.

采用tlc通过显色剂的显色比较有相同的rf进行鉴定；采用紫外分光光度法对钩藤总碱中的钩藤碱进行含量测定。

Results:tlc characteristic of qualtative identification of this goods was apparent,with the same rf to standard samples.the content of uncaria alkaloid in rhynchophylline was 0.71% measured by ultraviolet spectrophotometry at 246.0 nm wavelength.conclusion:this method was found to be rapid,simple,economic,accurate and reproducible.

结果：本品定性鉴定薄层色谱特征明显，与标准品有相同的rf；紫外分光光度法在246.0 nm波长处测得钩藤总碱中钩藤碱的含量为0.71%。结论：此方法快速、简便、经济、准确、重现性好。

Breath fails (Respiratory Failure, because lung aerates,RF) is obstacle of function of insufficient, dispersion and lung aerate / blood stream scale is maladjusted wait for an element, low oxygen blood appears when making static interest position issues breath disease and carbon dioxide retention, cause a series of physiology functions and metabolization thereby disorder clinical and integrated proof.

概要： 呼吸衰竭(respiratory failure，RF)是由于肺通气不足、弥散功能障碍和肺通气/血流比例失调等因素，使静息状态下呼吸时出现低氧血症和二氧化碳潴留，从而引起一系列生理功能和代谢紊乱的临床综合征。

Typical RF design, chamber material, process chemistries and its relationship with typical device feature will be discussed.

讨论范围包括典型的 RF 设计，腔体材料，工艺化学及其与典型器件特征参数之间的关系。

If you fed the baseband audio into this receiver's RF input, the demodulated signal would be the R-L audio.

如果您输入基带音频进入这台接收器的RF 输入端，被解调的信号会是R-L 音频。

Methods The changes in contents of blood RF, CRP, ESR before and after DFPP were compared. The treatment was given for 23 times, and the activity of RA and the appearance of filtrated plasma were compared before and after the treatment.

RA活动期患者在规范药物治疗的基础上予以DFPP治疗2~3次，比较单次DFPP前后血RF、CRP和ESR的变化，并观察疾病的活动性与置换出血浆颜色的关系。

On the one hand, de noising of instantaneous parameters is optimized by a wavelet filter, which can improve the recognition ability under the low SNR; on the other hand, the existing three feature parameters σ,σ(subscript ∞) and σ are used, and three new parameters Ra, Rp and Rf are proposed based on the existing feature parameters, which can simplify the process and improve the recognition ability.

该算法一方面提出采用小波滤波器对信号的瞬时信息进行消噪处理，提高了调制识别算法在低信噪比下的识别能力；另一方面利用已有算法的3个特征参数σ、σ、和σ以及在已有算法基础上改进的3个新的特征参数Ra、Rp和Rf，简化了识别过程，改善了低信噪比下的识别效果。

Methods RF was measured by the rate scatting immunity method.

方法对 RA患者 12 7例、非 RA其他风湿病患者 10 2例及正常对照组 4 3例，采用速率散射免疫比浊法检测 RF；酶联免疫吸附法定量检测抗- CCP抗体；免疫荧光法检测 AKA、APF，并采用四格表法计算敏感度及特异性。

RF - 2 volatilizing punching oil has excellent volatility and lubricity, which can be applied to the cooling and lubrication of high speed punch of aluminum fin - stock of air - conditioner.

RF-2挥发性冲压油用于空调机铝翅片高速冲压加工的冷却和润滑，具有优异的挥发性和润滑性。

Momentum is a Full-Wave Method of Moments simulator intended to be used for RF and Microwave component, circuit and planar antenna analysis.

Momentum是一个基于矩量法的全波仿真器，它主要用于分析RF及微波元器件、电路及平面结构天线。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。