aBased upon this data, as well as measured gas temperature and sonic velocity, the gas or vapour concentration is determined. The accuracy of measurement is dependent on the difference between to molecular weight of the two component gases, and the larger the difference, the more accurately the ...
In summary, tibial ultrasound velocity measured in situ correlated with the material properties of tibial cortical bone nearly as strongly as did bone density. (Bone 21:119-125; 1997). 展开 关键词: Humans Tibia Osteoporosis Cadaver Tomography, X-Ray Computed Linear Models Software Aged Aged, 80...
The purpose of this study is to attempt to quantify the differences between CRASH3 generated velocity change (ΔV) as used in the National Automotive Sampling System - Crashworthiness Data System (NASS-CDS) and measured velocities in actual frontal crash tests. An appropriate factor is then applie...
The dark matter the velocity anisotropy can be approximated as beta(x)=0.15 +2x/(x^2+4), where x is measured in units of the virial radius. 展开 DOI: 10.1086/309248 被引量: 10 年份: 1999 收藏 引用 批量引用 报错 分享 全部来源 免费下载 求助全文 掌桥科研 Semantic Scholar arXiv.org ...
Burning velocity has been measured using the spherical-vessel (SV) method for four hydrofluorocarbons (HFCs), i.e., difluoromethane (HFC-32), 1,1,2-trifluoroethane (HFC-143), 1,1,1-trifluoroethane (HFC-143a), and 1,1-difluoroethane (HFC-152a). Experiments were conducted for initi...
In the first part of the experiments, both the longitudinal and transverse velocities (v 1 and v t ) of crystals grown at a given melting pressure P M were measured at 4.2 K. For each mode, the velocities plotted vs. P M were found to lie between approximately parallel lines that ...
RTA is a physical model, and thus, does not require many coefficients; however, r needs to be provided as a thermometer-specific value. Accuracy of flow velocity measurement by RTA Figure 3a,b illustrate the relationship between the reference velocity vREF and the value measured by RTA vRTA ...
b Paradigm of the model in a with time as independent variable, showing predicted changes of α with regards to measured expression profile. c RBF for modeling patterns of induction, repression, and transient dynamics of each gene, where τg represents the peak time. Latent time of this model...
Many authors have measured fluid velocity in bores using Laser Doppler Velocimetry (LDV), Hot Wire and Hot Film anemometry, and Particle Image Velocimetry (PIV) with good results, though such studies possess several limitations imposed mainly by the presence of air bubbles. In order to overcome ...
Note that for the break angle γ, which is an important quantity characterizing the transverse wave propagation, both the γcal calculated from the measured longitudinal wave velocity and the γexp measured from the high-speed sequences as shown in Fig. 9.20 are given in the same table. As ...