The average deviation of WDT with different water cut is0.2 ℃ at the same pressure and this demonstrates that the water cut has little effect on WDT of Daqing waxy crude oil. 在相同的压力下,不同含水率的原油的溶蜡点平均偏差0.2℃,说明含水率对试样的溶蜡点影响不大。
At present, Industrial structure change can be arrived at mainly by two means: absolute change rate and average deviation change rate. 目前,工业结构变动率的计算方法主要有两种:绝对变动率和平均偏差变动率。
Fast Recursive Two-dimensional Maximum between-cluster Average Deviation Thresholding Algorithms 2维最大类间平均离差阈值选取快速递推算法
It shows good agreement between the predicted values and experimental data of effectiveness factor. Maximum deviation is 13 7% and average deviation is 3 2%. 应用本文(Ⅰ)报的传质模型计算了催化剂包效率因子,与实验结果吻合较好,其平均偏差为32%,最大偏差为137%。
The macro-dynamic model for silver leaching reaction has been established and the average deviation of computed results from experimental data is found to be only 4.3%. 建立了银的浸取反应宏观动力学模型,其计算值与实验值的平均偏差为4.3%。
The relation can be used conveniently in the engineering calculation of the process of CO 2 removal by MDEA, and the calculation value of CO 2 partial pressure agrees well with the experimental value, with an average deviation of 11.3%. 该关系式可简便用于MDEA脱碳工艺的工程计算,CO2分压的计算值与实验值符合良好,平均偏差11.3%。
On the basis of the layer structure model of liquid, this paper presents an equation for predicting the self-diffusion coefficients of molecules in liquids. The equation has been tested with 24 liquids in a wide temperature range, with an average deviation of 3. 8%. 基于液体层膜结构模型提出预测液体分子自扩散系数的方程,对24种液体在较宽温度范围内作了检验,平均偏差为3.8%。
Mathematical model was established from experimental results obtained and the average deviation of computed values from experimental data was found to be 4.9%. 在实验基础上建立了萃取动力学模型,其计算值与实验值的平均偏差为4.9%。
The average deviation is less than 27%. 本法相对平均偏差低于2%。
The average deviation between calculated data and experimental results was7.98%. 方程计算值和实验值吻合较好,平均相对误差为7.98%。
The feasibility is verified by the measurement of a sample block. The effect of the resolution of the optical power detector is analyzed. The arithmetic average deviation value of the profile of a gage block of 0.012 μ m is ob-tained. 对一标准量块进行了测量,并对光功率计分辨率对测量结果的影响进行了分析,结果表明本系统在实验室现有条件下可以测量轮廓算术平均偏差Ra为0.012μm的粗糙度量块。
A GC method is described for the determination of selenium in artificially-cultured selenium-yeast. It is of higher sensitivity and selectivity, and with a detection limit of 2 × 10-11 g, a relative average deviation of 2.2%, and a relative standard deviation of 2.67%. 本文叙述了人工培养的硒酵母中硒的气相色谱测定方法,具有较高的灵敏度及选择性,方法的测定极限为2×10~(-11)克,相对平均偏差为2.2%,相对标准偏差为2.67%。
The relative error is 3%, and the average deviation is 0.98%. 函数拟合平均相对误差可以达到3%,平均相对方差可以达到0.98%。
A three parameter model has been derived for pure liquids, which gave the absolute average deviation ( AAD) of 0. 26 per cent for 43 substances ( 443 data points). 首先,对低压下纯液体的导热系数提出了简单的三参数关联式,对43种纯物质、443个数据点的总平均误差仅为0.26%;
VLE data were correlated with Wilson model. Results showed that average deviation of vapor-phase composition was less than 0.02. 用Wilson模型对实验数据进行关联,汽相组分的平均偏差小于0.02。
A qualitative explanation based on law of conservation of mass and energy theory of breaking and aggregating of bubble was made. An empirical correlation was presented on the base of experimental data, with average deviation of 6.3% and the maximum deviation of 20.8%. 并根据质量守恒定理和气泡聚并的能量理论对以上结论做出了定性的解释,另外对实验数据进行了回归分析得到气含率的实验关联式,平均相对偏差为6.3%,最大偏差为20.8%。
By use of this method, the average deviation for comparable 40 data is 0. 97 kJ · mol (-1). 据该法计算所得40个可比较值的平均偏差为0.97kJ·mol(-1)。