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It was found that there exists good agreement between them, so vane anemometry can reasonably evaluate total intake port swirl-producing ability.

分析了不同气道产生缸内总体涡流的能力,并与叶片风速仪的测量结果进行了比较,发现二者吻合较好,叶片风速仪能较好地评价进气道产生的总体涡流特性。

objective to evaluate the value of infrared thermography in the diagnosis of injuries in such soft tissues as neck,shoulder,waist,leg,elbow and wrist.methods infrared thermograph (type wp-95) was used to do general physical check up for 221 young soldiers with a regular military training history ranging from 1 to 5 years,whose infrared thermograms were then compared with those of 100 new recruits without any military training experience.results there were abnormal thermograms on 180 (81.45%) of the 221 cases and 6 (6%) of the 100 new recruits (p.05.all of the 186 cases with abnormal thermograms were x-rayed with only 28 cases(i.e.15.05%) abnormal.there was a distinct difference between the two methods of physical check-up (p.05).conclusion infrared thermography manifests distinctive abnormal thermograms of soft tissue injuries suffered from military training,providing definite diagnostic message for clinic.to utilize infrared thermography correctly is of vital importance in ensuring the health of servicemen.

目的 探讨软组织损伤颈、肩、腰、腿、肘、腕红外热像图的诊断价值。方法应用wp-95型红外热像仪,对221例常规军事训练1~5年的年轻干部及战士进行红外热像仪的全身检查,并与刚入伍未参加训练的新兵100例进行对照。结果 221例经红外热像图检查发现颈、肩、腰、肘、腕出现异常热像图的有180例,占81.45%;而100例新战士仅有6例颈、肩、腰、肘、腕出现异常热像图,占6.00%,两者比较差异有显著性(p<0.05)。186例异常热像图受检者全部做x线摄片检查,x线摄片异常者仅28例,占15.05%,两者检查比较差异有显著性(p.05)。结论红外热像图对军事训练所致软组织损伤有其独特的异常热像图,为临床提供明确的诊断信息,正确的使用红外热像图,对保证部队广大指战员的健康水平有着重要作用。

In situ testing methods presented in the paper are limited to cone penetration, standard penetration, pressuremeter and Marchetti dilatometer tests.

但基桩受力的情况与现地试验的种类繁多,为求精简,基桩的静态分析仅限於受轴向与横向力的情况,现地试验则选择比较常用的圆锥贯入试验、标准贯入试验、侧压仪、和Marchetti 膨胀仪试验。

Choose the 890nm infrared LED as the light source after compared the capabilities of incandescent lamp/tungstic lamp and LED/LD and also think about the selective absorbability of water; it has strong points such as constant light intensity,long life, narrow light spectrum,etc, and use the infrared light with 890nm wavelength to decrease the influence of optical-absorption matters.Choose the photosensitive diode which suitable to the LED which we choosed after compare the capabilities of light sensitive resistor, photocell, photosensitive diode and phototriode. Both of these make up the photoelectric system of turbidimeter.

通过比较白炽灯/钨灯和发光二极管/激光二极管的各项性能指标,考虑到水对光线具有选择性吸收作用,选择890nm的红外发光二极管作为浊度仪的发光器件,其有发光光强稳定、寿命长、发光光谱窄等优点,且用波长大于800nm的红外光进行测量可以大大减小水中光吸收物质的影响;通过对光敏电阻、光电池、光敏二极管和光敏三极管等光敏器件的各项性能的分析与比较,选择响应时间短、输出特性线性度好的光敏二极管作为光接收器件,并与红外发光二极管相配套,构成浊度仪工作的重要系统——光电系统。

By the test of clonal growth in soft agar medium , we compared the ability of cloning and proliferating among these three kinds of cells. The cell cycle was analyzed by FCM and morphosis of cells was observed under transmission eletron microscope.

通过细胞生长曲线,比较卵巢癌细胞系HO-8910与8910-p93、8910一pCDNA3.1(转染空载体ncDNA3.l)的增殖情况;通过软琼脂克隆形成试验比较这3种细胞的克隆形成能力和增殖能力;利用流式细胞仪检测这3种细胞的细胞周期的改变情况:利用透射电镜观察转染p93基因的细胞的超微结构变化;利用裸鼠移植瘤实验比较HO七与8910个93在动物体内生长状况。

Then size properties and crystal characteristics of lily starch granules were observed with combination of photomicroscope, scanning electronic microscope , polaried light microscope and X-ray diffraction. Compared with potato starch and cornstarch, solubility, swelling power and freeze-thawing properties of lily starch were measured by centrifugal method; its thermal, rheological and mechanical properties were systematically investigated by DSC, Rheometer and Texture Analyser, respectively.

然后用光镜、电镜、偏光显微镜与X-衍射相结合研究了百合淀粉粒的表面结构和晶体结构特征,并与马铃薯淀粉、玉米淀粉相比较,用离心法考察了百合淀粉的溶解度、膨润力与冻融性能,用差示扫描量热仪、动态流变仪与质构仪等手段深入系统地研究了其热学特性、回生过程中的流变学特性和力学性能。

With reading a mass of the documents about the rolling resistance and wet anti-grapping, there are 11 types semisteel belt tyres formularies designed in this paper by changing carbon black and SBR1502/SBR1712/BR9000 blending ratio, which answer for the actual demands of the tyre industry and have a certain extent engineering practicability.The DMA curves of 11 types tread rubber materials used in tires with the changes of temperature have been obtained by using Dynamic Mechanics Analysis technique on NETZSCH DMA242 instrument.

本文采用动态力学分析法,使用NEZSCH公司生产的DMA242型实验仪,获得了11种胎面胶的DMA温度曲线,从炭黑和生胶配比变化两方面,分组对不同系列的胎面胶的储能模量—温度曲线和损耗因子—温度曲线进行了分析比较,并参照1#胶料,对11种胎面胶—10℃~10℃和50℃~80℃的tanδ进行比较,讨论了炭黑及SBR1502/SBR1712/BR9000并用比的改变对胎面胶滚动阻力、湿抓着力的影响;在动态力学分析实验的基础上,还获得了11种胎面胶的生热率曲线,并分组进行了比较,研究了配方与生热率的关系。

Methods A total of 86 eyes of successful rhegmatogenous retinal detachment with a higher encircling scleral buckle underwent A-scan and keratometer examination before surgery as well as l week,4 and 12 weeks after surgery.The refractive factors included the depth of anterior chamber,thickness of lens,axial length of eye,corneal curvature and refraction of eye were detected pre- and post-operatively.

用眼科超声仪、角膜曲率仪、验光仪等对巩膜环扎加压眼内嵴高为4~6 D的86例原发性视网膜脱离患者的86只患眼手术前1天及术后第1,4,12周时前房深度、眼轴长度、晶状体厚度、眼屈光度、角膜曲率等进行测量并将结果进行比较。

Measured the basic physical parameters of unsaturated soils in Three Gorges Reservoir area; 2 measured the initial sample matric suction using the unsaturated triaxial testing system, which can be used to evaluate the unsaturated soil strength and stress; 3 the drying and moisture absorption experiments were executed using the Tempe apparatus, and got the Soil-Water Characteristic Curve, permeability coefficients of every stress level were simulated according to the parameters from the SWCC; 4 the unsaturated soil strength tests were carried out using the GDS triaxial testing system, then got the Mohr circle and shear strength parameters; the results from different stress paths were compared; meanwhile, the axial strain-stress ratio-volume strain curve of different matric suction and different radial pressure was got, as well as their relationship; The research, which provided the necessary data and reference for Three Gorges Reservoir area geologic disaster, is the basic component of Three Gorges Reservoir geologic disaster prevention and research, and experimental results will be used directly in the project.

1量测了三峡库区非饱和土的基本物性参数; 2用非饱和土三轴试验仪量测了试样的初始基质吸力,为评估非饱和土的强度和应力水平提供参考; 3用Tempe仪和体积压力板仪进行了非饱和土的干燥和吸湿试验,得到了土-水特征曲线,并根据其参数拟合出各级吸力状态下对应的渗透系数; 4用GDS三轴仪进行了强度试验,得到了Mohr圆和抗剪强度参数;并比较分析了不同应力路径下试验结果;同时得到不同吸力和不同围压下轴向应变-应力比-体应变的关系曲线和其相互关系。该研究是三峡库区地质灾害防治研究工作的基础性工作,其结果将直接应用到工程实际中,为三峡库区地质灾害提供必要的数据和参考。

In chapter 2 and 3, experimentally, using the Angular-Resolved high-resolution fast Electron Energy Loss Spectrometer , at the condition of 2. 5 keV incident energy and 50-60 meV energy resolution, we measured the Optical Oscillator Strength Density Spectra for the excitations of 4p, 4s or 3d electron. The oscillator strengths for excitations of the valent shell 4p electron were obtained, and comparisons were done between presently experimental and previously experimental and theoretical results. The experimental results of different groups agree with each other approximately, but the semi-experientially theoretical results do not match with the experimental results. The delayed maximum in the photoabsorption spectra was discussed. It should arise from the transition of 4p→∈d. For the excitation of the inner-valent 4s electron, the discrepancies for the resonant structures in previous electron-impact results and photoionization results were clarified in present work, which confirms again that the fast electron impact method is suitable to measure the optical oscillator strengths. The autoionization Rydberg series 4s〓ns (n=5, 6, 7) and 4s〓nd (n=4, 5, 6, 7) were identified without ambiguity by the measurement at 0°, 2° and 4°scattering angles. The energy levels and natural widths of the excitations of Kr3d and Ar2p inner shell, including optically allowed and forbidden transitions, were determined. The widths of these inner shell excitations are nearly the same, which was interpreted by the Resonant Auger effect .

在第二章和第三章,实验上,使用角分辨的高能量分辨快电子能量损失谱仪,在2.5keV电子入射能量和50-60meV能量分辨下,测量了Kr原子由价壳层4p到内价壳层4s,再到内壳层3d电子激发的光学振子强度密度谱;得到了价壳层4p电子激发束缚态的光学振子强度,与前人实验和半经验理论结果作了细致的比较,说明几家实验是比较符合的,但半经验的理论计算存在问题;分析了光吸收谱中的延迟极大现象,说明在第一电离阈值以上几个eV范围内的极大值源于4p→εd跃迁产生的延迟极大;对于内价壳层4s激发的自电离区,澄清了前人实验中电子碰撞方法和光学方法在共振结构上存在差异的问题,再一次肯定了快电子碰撞方法是获得绝对光学振子强度的一种好方法;通过在非0°散射角的测量(如2°和4°),清楚地标识了4s电子激发的光学禁戒跃迁自电离里德堡系列4s〓ns(n=5,6,7)和4s〓nd(n=4,5,6,7);通过在0°和4°散射角的测量,观测并标识了几个新的内壳层光学禁戒跃迁能级,得到了Kr原子3d和Ar原子2p内壳层激发态(包括光学允许和禁戒跃迁形成的)的能级位置和自然宽度,用共振俄歇效应解释了这些内壳层激发态(不管是光学允许还是禁戒跃迁产生的)的自然宽度彼此比较接近的原因。

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Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

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