衰減量測量 的英文怎麼說
中文拼音 [shuāijiǎnliángcèliáng]
衰減量測量
英文
decrement measurement- 衰 : 衰動詞(衰弱) decline; wane
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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Anechoic chambers. part 1 : shield attenuation measurement
消聲室.第1部分:屏蔽衰減測量Some by - products of this work can be used as routine tools in the uv laser laboratory. commercial video ccd cameras are used to image uv laser and soft x rays, window glass as a fluorescer is used to indirectly measure the uv laser beam profile with high energy density, and a special glass which permits uv light to pass through while absorbs the visible, is introduced into the uv beam profiling in strong visible stray light environment
實驗中發展了一些測量技術,例如用可見光視頻ccd直接測量紫外激光的光束分佈和激光等離子體產生的x光二維圖象,利用窗玻璃作為熒光體測量能量密度較高的紫外光束分佈,利用可見吸收紫外透射玻璃製成的衰減器測量有嚴重背景光的紫外光束分佈,可以作為實驗室的常規測量工具,並有一定的推廣價值。The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。53 maize standard samples diffuse reflectance spectra were collected from 4000cm - 1 ~ 10000cm - 1 at 8 cm - 1 resolution on perkin - elmer spectrum one nts near - infrared instrument at different energy level. 3 samples were scanned 10 times repeatedly at 100 %, 76 % and 34 % energy level for energy variance analysis
結果表明,隨著儀器能量降低,模型相對標準偏差( rsd )有增大趨勢,儀器相對能量從100衰減到18后,模型預測值rsd從2 . 5增至4 . 72 。Measurement of the tissue thermal conductivity by thermal pulse - decay method
生物組織熱導率的脈沖衰減法測量Measurement of the longitudinal wave velocity and attenuation for underwater acoustical materials - pulse - tube method
水聲材料縱波聲速和衰減的測量脈沖管法Measuring of minority - carrier lifetime in silicon single crystal by photoconductive decay method
用光電導衰減法測量硅單晶中少數載流子的壽命Light launch conditions for long length graded - index optical fiber spectral attenuation measurements
長距離分級指數光纖光譜衰減度測量的光發射條件The attenuators and the sensitivity of detectors are calibrated in varied frequencies. the attenuation of the cable is also calibrated
對晶體檢波器在不同頻率下的礦靈敏度進行了測定;對同軸信號線的衰減量瓣行了標定。The theory and experiment of measuring diffusion coefficients in terms of mr signal attenuation has been established for decades, but recent advance of diffusion tractography has enabled us, for the first time, to visualize and analyze the axonal fiber tracts in the living brain non - invasively
其實,利用磁振訊號衰減量測到擴散系數之理論與實驗已確立了幾十年,但近年來擴散神經纖維束造影的發展,第一次使我們能夠在活體非侵襲性的觀察和分析神經軸突纖維束。It is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transform of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform
它所基於的成像原理是:人體的某個剖面在若干個角度上被x射線束照射,照射后x射線的衰減量被檢測器記錄下來,形成投影集合,數學上將這個投影集合描述為該剖面的radon變換,通過反演radon變換就能夠重建剖面的二維圖像。Computerized tomography ( ct ) is a typical non - invasive examination techniques in medicine, which can depict anatomical structures without damaging the human body. lt is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transfoim of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform
它所基於的成像原理是:人體的某個剖面在若干個角度上被x射線束照射,照射后x射線的衰減量被檢測器記錄下來,形成投影集合,數學上將這個投影集合描述為該剖面的radon變換,通過反演radon變換就能夠重建剖面的二維圖像。Measuring methods for attenuation of optical fibers
光學纖維衰減的測量方法Transmission systems and two - ports ; measures for attenuation
傳輸系統和四埠.衰減的測量Methods for measuring the real - ear attenuation of hearing protectors
聽力保護器的真耳聽覺衰減的測量方法Chapter two introduces the theory of optical cavity decay time method
第二章介紹了時間衰減法測量無源諧振腔總損耗的原理。The resonant box effect is the most important. in chapter five, we use the experimental setup constructed and the cavity decay time method to measure the total loss of a passive resonant cavity, and analyse the experimental data in very detail. we conclude that, in present experimental conditions it is the uniformity and stability of laser mirror to confine the precision and repeatability of experimental results
第五章在建立起了連續光波時間衰減法測量裝置的基礎上,進行了無源諧振腔總損耗的測量,仔細分析了實驗過程中的誤差因素,並指出在目前的實驗條件下限制測量精度和重復性的主要原因是激光鏡片的均勻性和穩定性不理想。Acoustics. measurement of the in situ sound attenuation of a removable screen
聲學.可移動屏蔽就地聲音衰減的測量Acoustics - measurement of office screen sound attenuation under specific laboratory conditions
聲學規定實驗室條件下辦公室屏障聲衰減的測量Procedure for measuring radiation - induced attenuation in optical fibers and optical cables
光纖和光纜中輻射誘導衰減的測量程序分享友人