频率

The frequencies of CCR5delta32,CCR2b-64I,SDF1-3′A alleles in Dai population were 0.0000,0.2130,0.2030,respectively;The frequencies of CCR5delta32,CCR2b-64I,SDF1-3′A alleles in Chingpaw population were 0.000,0.1637,0.1770,respectively.Distributions of the CCR2b-64I,SDF1-3′A alleles among the both populations were in accordance with Hardy-Weinberg equilibrium.No statistical difference was found in the allelic frequencies of both CCR2b-64I and SDF1-3′A between male and female individuals.

结果表明，中国傣族景颇族人群中未发现CCR5△32等位基因突变；傣族CCR2b-64I、SDF1-3′A基因突变频率分别为0.2130和0.2030，景颇族CCR2b-64I和SDF1-3′A基因突变频率分别为0.1637和0.1770；与中国汉族人群相比较，傣族和景颇族中SDF1-3′A突变频率较低（P值分别为0.0322和0.0021）；两个民族的CCR2b-64I和SDF1-3′A等位基因群体分布符合Hardy-Weinberg平衡，在性别之间分布无显著差异。

According to the consentaneous diagnostic criteria, divided the disease into Zheng patterns of TCM. Results 1 Female was predominated in IBS, compared with male. With the increase of age , the prevalence rate of IBS did not rise. The higher educational degree community had a higher morbidity of IBS than the community of the lower educational degree. Abdominal pain and discomfort are the symptoms, which more happened. Male and female did not show the distinction on the common symptoms.

结果 1IBS 女性患病率高于男性；患病率无明显年龄差异趋势；较高文化程度群体患病率高于较低文化程度的群体；腹痛及腹部不适是患者发生频率较高的症状；男性与女性在常见症状的发生频率上差异无显著性，但精神心理症状的发生频率上，女性应激事件发生率及抑郁状态发生率高于男性；肠道感染史、受凉、生冷饮食、辛辣饮食均为可能导致IBS发病的较危险因素；肠外症状中较常出现的为头痛、腰背痛、疲乏及功能性消化不良。

Therefore, established a finite element Stable response model of a horizontal whole string and carried out t the safety varied frequency of gas well after researched the natural seriously transversal vibration and compressional vibration frequency range of tubing string with packer and packerless, so that it make the tubing string to avert the covibration frequency range of natural gas excited.

本文认为以某井高产量稳产时，天然气对油管柱的外激励为简谐激振，因此研究中建立某水平井全井段油管柱稳态响应的有限元力学模型，并获得了在无封隔器和有封隔器情况下的油管柱发生严重横振和纵振的频率范围，提出了天然气安全调节频率范围，使油管柱避开可能引起严重破坏的天然气激励频率区域。

NADPH oxidase inhibitor, diphenylene iodonium chloride (DPI, 10 μmol/L), abolished histamine-stimulated calcium oscillations both in normoxic and posthypoxic PAECs.(3) Xanthine oxidase inhibitor, oxypurinol (100 μmol/L), did not affect the calcium oscillation kequency in normoxic PAECs. However, it significantly decreased the elevation of calcium oscillation frequency in posthypoxic PAECs.

黄嘌呤氧化酶抑制剂，别嘌呤醇(oxypurinol，100 μmol/L)能显著降低组胺刺激的缺氧后肺动脉内皮细胞升高的钙振荡频率，但降低后的钙振荡频率仍高于常氧组，别嘌呤醇对组胺刺激的常氧组肺动脉内皮细胞钙振荡频率无显著影响。

NADPH oxidase inhibitor, diphenylene iodonium chloride (DPI, 10μmol/L), abolished histamine-stimulated calcium oscillations both in normoxic and posthypoxic PAECs.(3) Xanthine oxidase inhibitor, oxypurinol (100μmol/L), did not affect the calcium oscillation frequency in normoxic PAECs. However, it significantly decreased the elevation of calcium oscillation frequency in posthypoxic PAECs.

黄嘌呤氧化酶抑制剂，别嘌呤醇(oxypurinol， 100μmol/L)能显著降低组胺刺激的缺氧后肺动脉内皮细胞升高的钙振荡频率，但降低后的钙振荡频率仍高于常氧组，别嘌呤醇对组胺刺激的常氧组肺动脉内皮细胞钙振荡频率无显著影响。

The results showed that virulence frequency of V4a、V4b、V13、V20、V21、VXBD、V2+6、V4+8、V2+Mli、V4b+Mli、V5+6、V1+2+9 were 3.6%~29.7%, Pm4a, Pm4b, Pm13, Pm20, Pm21, PmXBD, Pm2+6, Pm4+8, Pm2+Mli, Pm4b+Mli, Pm5+6, Pm1+2+9 were effective resistant genes to Erysiphe graminis f. sp. tritici and may be applicated as resistant parents; Virulence frequency of V1、V2、V3a、V3d、V3f、V6、V17、V19、V2+Ta were 38.6%~79.4%, The validity of Pm1、Pm2、Pm3a、Pm3d、Pm3f、Pm6、Pm17、Pm19、Pm2+Ta had decreased; Virulence frequency of V3b、V3c、V3e、V5、V7、V8 were 92.5%~98.7%, Pm3b、Pm3c、Pm3e、Pm5、Pm7、Pm8 had no applicable value in breeding if they were utilized as the only resistant sources.

结果表明，毒性基因V4 a、V4 b、V13、V20、V21、VXBD、V2+6、V4+8、V2+Mli、V4 b+Mli、V5+6、V1+2+9的出现频率为3.6%29.7%，其对应抗性基因Pm4 a、Pm4 b、Pm13、Pm20、Pm21、PmXBD、Pm2+6、Pm4+8、Pm2+Mli、Pm4 b+Mli、Pm5+6、Pm1+2+9为目前山西省小麦白粉病菌的有效抗病基因，可供转育利用；毒性基因V1、V2、V3 a、V3 d、V3 f、V6、V17、V19、V2+Ta的出现频率为38.6%79.4%，其对应抗性基因Pm1、Pm2、Pm3 a、Pm3 d、Pm3 f、Pm6、Pm17、Pm19、Pm2+Ta的利用价值已下降；毒性基因V3 b、V3 c、V3 e、V5、V7、V8的出现频率为92.5%~98.7%，其对应抗性基因Pm3 b、Pm3 c、Pm3 e、Pm5、Pm7、Pm8单独使用无利用价值。

With the increase of feeding frequency, the specific growth rate in wet weight for juvenile gibel carp increased significantly, and the apparent digestibility of protein and energy increased significantly while the apparent digestibility of dry matter showed no obvious variation.

随着投喂频率增加，异育银鲫幼鱼的湿重特定生长率显著增加，饲料蛋白质和能量的表观消化率显著性增加，而干物质的表观消化率没有显著性变化；投喂频率对异育银鲫幼鱼的生长分化、存活率没有显著性影响；异育银鲫幼鱼的最佳投喂频率为24m/d

The study on the electrical property shows that its dielectric property decreases with the slowly increase of frequency in dry state; in hygrometric state (52.9%), the dielectric property grows obviously and declines swiftly with the increase of frequency; and it tends to be stable when the frequency is over 10^4Hz. The specific resistance decreases linearly with the increase of the frequency. The results indicate that the electric properties of the hot press moulded wheat gluten are subject to the compaction rate of the material structure.

对小麦麸质模压板的电性能研究表明，干态下其介电性能随电场频率增加而下降，但变化小；湿态下其介电性能明显提高，且随频率增加迅速下降，超过10^4Hz后区域变化趋于稳定；热压小麦麸质材料的电阻率随频率的增加呈直线下降；小麦麸质热压材料的电性能主要决定于材料结构的密实程度。

Considering the technical requirements,the stability andthe steady performance,the quantitative requirement for sampling frequency is present indiscrete control system.Considering that there is a step delay in discrete control in grid on inverter with a Lfilter,the quantitative relationship between critical FCCR and sampling frequency isanalyzed,and the steady performance is analyzed.Considering the technical requirements,the stability and the steady performance,the quantitative requirement for samplingfrequency is present in discrete control system with a step delay.

在L型并电加热管网中，考虑到离散化控制存在滞后一拍的问题时，本文分析并获得了离散PI控制系统稳定范围时闭环根临界频率fnmax和采样频率fs之间的定量关系；针对存在滞后一拍可能引起系统稳态特性下降的问题，分析了PI控制滞后一拍对频域特性造成的影响，综合考虑并网指标、稳定性要求和离散化对稳态特性影响三个主要因素，推导了存在滞后一拍的离散化PI控制对最低采样频率的量化要求。

According to this studies, the optimal feeding frequency increased with the increase of body weight, viz. 2 times per day for seedling and 4 times per day for mature Sparus macrocephalus.

3在本试验条件下，适宜饲喂频率随着黑鲷鱼体重的增加而提高，黑鲷鱼种的适宜饲喂频率为2次／d，黑鲷成鱼的适宜饲喂频率为4次／d。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。