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Results The tinnitus frequency, severity of subjective tinnitus, audiogram types and some items of function test above hearing threshold were significantly different in the five groups (P.05). Specific features of pure-tone test were found in the five groups: tinnitus frequency was low, whole- frequency hearing threshold high, audiogram even, short increment sensitivity index at 1 kHz high and tone decline at 4 kHz low in the syndrome of invasion of wind-heat; tinnitus frequency was high, high-frequency hearing loss common, audiogram abruptly descending, SISI and TD at 4 kHz high in the syndrome of liver-fire up-stirring; subjective tinnitus was loud, audiogram abruptly descending or gradually descending, SISI and 7W at 4 kHz low in the syndrome of stagnation of phlegm-fire; tinnitus frequency was high, subjective tinnitus low, audiogram markedly descending or hill-like, SISI and TD at 4 kHz high in the syndrome of kidney-essence deficiency; average hearing loss was less, audiogram irregular but abruptly descending or notched in most cases, SISI at 4 kHz low in the syndrome of weakness of spleen-stomach.
结果]耳鸣频率、自觉耳鸣程度、听力图类型及部分阈上功能测试指标在各证型间具有显著性差异(P.05),这些指标在不同的证型中表现出不同的特点:风热侵袭型的耳鸣频率较低,全频听阈升高,听力图多为平坦型,短增量敏感指数得分在1kHz较高,而4kHz音衰值较低;肝火上扰型的耳鸣频率较高,听力损失以高频为主,听力图多为陡降型,4kHz SISI得分及TD值均较高;痰火郁结型的自觉耳鸣响度较大,听力图以陡降型或缓降型为主,4kHz SISI得分及TD值均较低;肾精亏损型的耳鸣频率较高,而自觉耳鸣响度较低,听力图以显降型或山型为主,4kHz SISI得分及TD值均较高;脾胃虚弱型的平均听力损失较小,听力图无一定规律性,但以陡降型或切迹型为主,4kHz SISI得分较低。
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The experiment results prove that the boiler coking is largely reduced and the temperature difference of two sides of horizontal gas-pass is very small, when the 330MW boiler operate, the pressure of primary hot air parison is controlled beyond 12.0~12.5KPa, the O2 content of air pheheater is controlled about 3.0%, the door of OFA is opened to 30%, the buffle of the inner secondary air sleeve is adjusted to the minimum, the outer secondary air swirling strength and the baffle of the outer secondary air sleeve is regulated to the maximum and the outlet temperature of pulvervised mill is kept in 70℃.
试验结果表明,330MW运行时,一次热风母管压力控制在12.0~12.5kPa以上、空气预热器实际氧量控制在3.0%左右、燃尽风门开至30%、内二次风量套筒挡板调整在最小、外二次旋流强度和外二次风套筒挡板调整到最大、磨煤机出口温度维持在70℃,此时锅炉结焦大幅度减轻,水平烟道两侧烟温差非常小。优化试验完成后,进行了单烧灵武烟煤对比,结果是:掺烧高灰熔点的银北煤后,炉膛结焦大幅度减轻,锅炉过热器减温水量较小,主蒸汽压力易提高,带负荷能力正常;再热器烟气挡板开度较大、减温水量较小;风机电耗较小。
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Results Metaphysis osteoporosis was observed on X-ray and CT in acute stage, the midsection of infarct of bone was isointensity on T1WI and iso/hyperintensity signal on T2WI, the edge of infarct of bone was ring-shaped hypointensity on T1WI and hyperintensity signal on T2WI. Small worm-eaten change and stippled calcification was observed on X-ray and CT in subacute stage, the infarct of bone was iso/hypointensity on T1WI and iso/hyperintensity signal on T2WI, the edge of infarct of bone was ring-shaped hypointensity on T1WI and hyperintensity signal on T2WI. Irregular and wriggle osteosclerosis was observed on X-ray and CT in chronic stage, was hypointensity on T1WI and T2WI.
结果 骨梗死急性期X线、CT表现为干骺端骨质疏松,MR T1WI骨梗死灶中央部分呈等至高信号,T2WI呈高信号,T1WI骨梗死灶边缘呈环形低信号,T2WI呈环形高信号;亚急性期X线、CT表现为小的虫噬样改变,伴有斑点状钙化,MR T1WI骨梗死灶呈等或低信号,T2WI呈等或稍高信号,T1WI骨梗死灶边缘呈环形低信号,T2WI呈环形高信号;慢性期X线、CT表现为不规则状、蜿蜒状骨质硬化,MR T1WI和T2WI均呈低信号。
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Padé approximation is an effective rational approximation.Using the first derivative of Gaussian function as basic wavelet,Pad conversion is used to obtain its rational fraction approximation.
采用高斯函数一阶导数作为基本小波,用Padé变换获得其有理分式逼近,利用开关电流技术实现小波滤波器可获得小波变换所需的基本小波及其膨胀小波。
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The effects of maize roborant and uniconazole on plant height and grain yield of hybrid maize Zhenghong311 were investigated through field experiment in high altitude region of Panxi.
采用田间试验方法,在高海拔的攀西地区研究了玉米健壮素和烯效唑对杂交玉米新品种正红311株高和产量的影响,结果表明:小喇叭口期叶面喷施玉米健壮素有显著的降高效应,株高和穗位高分别降低12。
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The minimum fluidization velocity has a minimum value when the frequency of sound waves is 120Hz and it will decrease as the sound pressure level increases. The degree of sound attenuation will increase while bed material is higher and the fluidization quality of fine particles will become poor and the minimum fluidization velocity will increase. Compared with TiO2, the SiO2 fine particles have a better quality of fluidization at the same fluidized conditions.The cluster/subcluster model and oscillators model are used to describe the fluidization characteristics of fine particles in a sound-assisted fluidized bed. The theoretical calculations show that the minimum fluidization velocity umf is decreased with the SPL increased at the same frequency of sound and the quality of fluidization is better.
论文还系统的考察了声压和频率对纳米SiO2和TiO2颗粒流化特性的影响,结果表明:在频率一定的情况下,声压越高,流化床中形成的聚团尺寸越小,最小流化速度越低,流化质量越好;当声压低于120dB时,声场对超细颗粒流化特性的影响减小,当声压大于130dB时,则能显著改善流化效果,使流化床内的颗粒聚团明显减小,最小流化速度明显降低,粉体带出减小;声压一定,频率为120Hz左右时,最小流化速度最低,此时流化床中形成的聚团尺寸最小,流化效果最好;超细颗粒达到较好的流化状态存在一个最佳频率范围,随着声压增高,这个频率范围将增大。
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The results show that, for the first with no headwall, when there is no crosswind, it has small front face areas, so the aerodynamic resistance is the least. Since the second and the third have headwall, the front face areas are large, so they have bigger aerodynamic resistance. Under the condition of crosswind, as the third design option has the highest side beam, the area of positive pressure at the upwind is bigger, and the area of negative pressure is smaller when the bigger eddy area appears, so the side forces become larger. The first has the least side forces; the overturning moment of the first is the least.
研究结果表明:在无横风情况下,方案一中没有端墙,迎风面积较小,受到的气动阻力最小,方案二和三中平车有端墙,迎风面积较大,受到的气动阻力也较大;有横风情况下,方案三中平车侧梁较高,车体迎风面正压区较大,而背风侧产生较大的涡流区,在此区域内压力较小,故其横向力较大,方案一中平车侧梁没有加高,受到的横向力最小;方案一中平车倾覆力矩最小,稳定性最好。
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Graceful and lithe breed of terrier known for its uniquely tassled and outward curving ears and for its lamblike face and body; coat is crisp, curly, and short and can be white, blue, tan, sandy, or liver in color; long ears are triangular with rounded balls at tips, and they hang down the side of the head, sometimes ending in an outward curl; tail is ratlike; eyes are round, small, and very dark; adult stands 15 18 in.(38 46 cm) tall at shoulders and weighs 17 23 lbs (8 10 kg); originally known as the Rothbury terrier; developed in Northumberland, England, in late 1700s or early 1800s as a game terrier by miners and nailmakers, who used this breed to catch badgers, foxes, otters, and vermin; hunts using its keen eyesight; later adopted as a good house companion by the upper classes; lively, tireless, and dutiful demeanor; considered a kind-hearted and devoted companion
贝德灵顿厚毛犬属于优美的,柔软的小猎犬品种,以其独一无二的往外突出的小杯般的耳朵以及小羊羔般的脸蛋和身体而闻名;皮毛整洁干净,卷而短,有白色,蓝色,黄褐色,淡茶色,肝红色;长长的耳朵呈三角型在尖端有小球围绕,挂在头部的两边,有时候以外凸的卷曲的皮毛为结尾;尾巴颇似老鼠尾巴;眼睛圆而笑,非常暗淡;成年站立肩高38—46公分,体重8—10公斤;贝德灵顿厚毛犬源于Rothbury小猎犬;发展于诺森伯兰郡,在18世纪末期,19世纪初期主要作为矿工和制针业者的一种娱乐小猎犬,它被用来捕捉浣熊,狐狸,水獭和害虫,有着锐利的视野;之后作为一种很好家庭伴侣犬被上层社会接纳,恭敬顺从不知疲倦的举止;被认为是一种乐于奉献的伴侣。
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The decisive influencing factor of viscosity in carboxyl-methylation was cross-linking reaction. Carboxyl-methylation was the main influencing factor of solubility and swelling capacity in modification of high content amylose starch. The structure and gelatinization property of different amylose content were analyzed with an Olympus Vanox BHS-2 multi-function optic microscope, and the results were as follows. The structure of ordinary cornstarch was different from the high amylose; gelatinization temperature and pH value of starch were affected deeply by amylose content, but had little difference between the gelatinization of high content amylose starch contained 50% and 70% amylose; pH value had much more effect than temperature on the gelatinization of high content amylose cross-linked starch. Monochloroacetic acid consumption, alcohol concentration and pH value influenced the starch carboxyl-methylation. When alcohol concentration was 60%, pH value 10, monochloroacetic acid/starch mass ratio 55%, the carboxyl-methylation of high amylose cross-linked cornstarch had the best result. With the In-Vitro digestibility model and biodegradation experiment, the digestibility and biodegradability of high amylose cornstarch and its modified starch were detected.
采用Brabande粘度测定仪和Olympus Vanox BHS-2型多功能光学显微镜等分析手段对链淀粉含量50%和70%的高链玉米淀粉及其交联和交联羧甲基化淀粉的结构和性质进行了表征和分析,结果表明,普通玉米淀粉结构与含链淀粉50%和70%高链玉米淀粉结构不同;高链淀粉比普通淀粉难糊化,高链改性淀粉糊化受pH值影响较大,受温度影响较小;淀粉的冻融稳定性、透光率、溶解度、膨胀度和粘度受链淀粉的含量和改性的影响,但是,链淀粉含量超过50%时,则链淀粉含量对淀粉的膨胀度和溶解度影响不大;改性淀粉性质的影响因素中,影响粘度主要因素是交联反应,影响透明度、溶解度和膨胀度主要因素是羧甲基化改性;一氯乙酸用量、反应时乙醇浓度及碱性条件都会影响高链淀粉及其交联淀粉的羧甲基化改性效果,制备羧甲基化改性淀粉的最佳工艺是在pH值为10的60%的乙醇浓度介质中按一氯乙酸/淀粉质量比为55%进行取代反应。
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By using the Ricker wavelet and thin inter-beds model data, taking Morlet wavelet, MSW wavelet (A mother wavelet which can match seismic wavelet) and three-parameters wavelet as mother wavelet respectively, the calculated instantaneous frequency is analyzed. Results show that the instantaneous frequency analysis based on three-parameter wavelet has good anti-noise ability and higher temporal resolution.
利用Ricker子波和薄互层模型数据,分析了以Morlet小波、匹配地震子波的小波及三参数小波为基本小波计算的瞬时频率,结果表明:基于三参数小波的瞬时频率分析方法具有良好的抗噪性能及较高的时间分辨率。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。