降低...的分数

OSA and CSA produced different patterns of heart rate variability, with OSA showing increased absolute high frequency power and reduced very low frequency percentage compared with CSA.

OSA和CSA产生不同类型的心率变异性，OSA表现为增加高频带的能力以及降低极低频带的比例分数，而CSA则与此相反。

Results show that the best value of w is 7~10% and 5~7%, i is 0.08~0.2 A/cm^2 and 0.03~0.05 A/cm^2 respectively, during the electrolysis fluorination of pyridine and tributylamine; the addition of N-butyl mercaptan into the organic mixture can stabilize electrolysis process with its mass fraction 15~20% at best; impulse current polarization work status of low load is helpful to the electrolysis process and reduces corrosion rate of anode; electrolysis temperature is suitable at 0~20℃; electrobath can use electrolyte inner circulation structure, exterior circulation structure or blending structure.

结果表明：吡啶和N-三丁胺电解氟化的最佳值w分别为7%~10%和5%~7%，i分别为0.08~0.2A/平方公分和0.03~0.05A/平方公分；有机混合物中添加N-丁基硫醇可稳定电解过程，其质量分数最佳为15%~20%；采用低负荷的脉冲电流极化工况有利电解过程，降低阳极的腐蚀速度；电解温度0~20℃为宜；电解槽可采用电解液内循环、外循环结构，或其混合结构。

In view of the coefficients of CDF9/7 wavelet filter are irrational number, we use the trigonometric function transform to factorize the perfect restruction and the biorthogonal conditions of biorthogonal wavelets filter banks, then optimize the coefficients of the original 9/7 wavelet filter banks, consequently a novel 9/7 wavelet filter banks with binary digit coefficients can be obtained.

2针对CDF9／7小波系数为无理数的缺点，对CDF9／7小波滤波器组的完全重构条件和双正交条件进行三角基函数变换和因式分解，并对求出的小波滤波器系数进行优化设计，得到一组滤波器系数都为二进制分数的9／7双正交小波滤波器组，大大降低了离散小波变换的算法复杂度。

The relation between the performance of hot rolled plate and the nitrogen content in the steel are discussed.

讨论了热轧板性能与钢中氮的关系；指出了钢中氮质量分数的减少可降低热轧板屈服强度，且满足供冷轧基料的要求。

For the enzyme extraction, with the ratio of enzyme/giant knotweed 1:500 at 50℃ for 90 min, the yield of resveratrol is two times more than that extracted by ethanol. For the microwave extraction with the ethanol content of 80%, the liquid ratio of 1:20, extracting by microwave for 60s at 510W, the yield of resveratrol is three times more than extracted by ethanol with enzymation 30 min by microwave for 10 s at 510 W.

酶法辅助提取白藜芦醇的适宜提取条件为：酶解温度为50℃、pH值为5.0、纤维素酶与虎杖粗粉质量配比为1：500、酶解时间为90 min，比传统乙醇提取法提取收率提高2倍；微波辅助醇提白藜芦醇的适宜提取条件为：以体积分数为80%的乙醇溶液为提取剂，料液质量比为1：20，在510 W功率下微波1.0 min，比传统乙醇提取法提取收率提高近3倍；利用酶微波结合提取白藜芦醇，酶解30 min， 510 W功率下微波10 s，提取收率提高3倍，缩短了提取时间，降低了生产成本。

The results show that the perfect strength can be obtained under oxygen partial pressure about 20% O2, overhigh or low oxygen partial pressure is unfavorable for recrystallization of Fe2O3, which causes a decrease of pellet strength. The original hematite will be transformed into magnetite on reduction firstly when carbon-burdened hematite pellet is roasted in oxidizing atmosphere, and then the magnetite will be oxidized to secondary hematite, which is more active than original hematite, therefore, the induration strength of pellet is able to be enhanced.

研究结果表明：内配碳赤铁矿氧化球团在接近空气配比(氧含量约20%，体积分数)的氧化性气氛中焙烧强度最大，氧含量过高或过低都会影响Fe2O3的再结晶，使球团强度降低；在氧化性气氛中焙烧含碳赤铁矿球团时，原生赤铁矿先还原为磁铁矿，磁铁矿再氧化成活性较高的次生赤铁矿，提高了赤铁矿焙烧固结性能和球团强度。

The filling experiments on the natural ruby samples by glass containing 30% Pb show that the fissures decrease and the colour and quality are improved in the treated samples.

运用Pb质量分数为30%的玻璃进行了天然红宝石充填实验，结果表明，高Pb玻璃充填处理红宝石样品中的裂隙降低，颜色有一定程度的提高和改善。

By optimizing such process as refining dreg series and deoxidizing,mode of adding slagging raw materials,blowing Ar system,preventing nitrogen adding in refining process,adopting such process measures as controlling degree of superheat of smelten steel strictly,selecting suitable pulling speed and colling water quantity,using electromagnetism stir in continuous casting,the center carbon segregation index is at about 1.04 basic...

通过对精炼工序中精炼渣系和脱氧工艺选择、造渣原料的加入方式、吹氩制度、防止增氮等工艺的优化，在连铸中采用严格控制钢水过热度、选用合适的拉速和冷却水量、使用电磁搅拌等工艺措施，中心碳偏析指数集中在1.04左右，夹杂物尺寸变小、数量大为减少，疏松和缩孔均降低到0.5级以下，线材面缩率达到34%以上，大部分为41%~44%，索氏体体积分数达到91%，可顺利拉拔至0.3 mm。

The results showed that any consistency of clove alcohol extracts could decrease the respiratory intensity and weight loss, delay the decline of vitamin C, soluble solids and titratable acidity contents.

结果表明：不同体积分数的丁香乙醇提取液均可在不同程度上降低草莓的呼吸强度、减少水分损失，延缓草莓VC、可溶性固形物及可滴定酸含量的下降。

objective to evaluate the effect of urapidil on the treatment of congestive heart failure.methods thirty patients with congestive heart failure were included in the study.urapidil was given by intravenously guttae at 50mg 5~7days.results systolic blood pressure and l dbp were decreased and sao2 and cardiac output were increased after treatment.conclusion intravenous urapidil produces acute hemodynamic benefit in patients with congestive heart failure.

目的 观察利喜定治疗充血性心力衰竭的临床疗效。方法 30例充血性心力衰竭患者，先以利喜定12.5 mg稀释于20 ml生理盐水中于3~5 min内静脉注射，继以利喜定50 mg、多巴胺20mg加于250 ml液体中静滴，每日1次，滴速为利喜定100~400 μg/min，连用5~7 d。结果利喜定可显著降低收缩压、舒张压，升高血氧饱和度、左室射血分数，不引起反射性心率增快。结论利喜定治疗各种原因引起的充血性心力衰竭，可有效改善患者的临床症状和血流动力学指标。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失