查询词典 Sr

This paper analyzes that the main reason of low injectivity of water injection wells is that the Sr 2+ in formation water reacts with the SO 4 2- in the Yellow River water to produce precipitate of BaSO 4 when the Yellow River water mixes with formation water.

该文分析了胜坨油田注水井吸水能力降低的主要原因是黄河水与地层污水混注时，地层水中的Sr2＋、Ba2＋与黄河水中的SO2－4反应生成BaSO4、SrSO4沉淀。

If your original video is interlaced, you've got two options: deinterlace it before SR, or keep proper interlacing.

如果您的原始视频交错，你有两种选择： deinterlace之前简，或保持适当的交错。

Gold deposit; quartz fluid inclusion; Rb-Sr isochrone age; sulfur isotope; Jiangnan orogenic belt; eastern Hunan province, South China

文章对江南造山带中段湖南东部地区主要金矿床开展了成矿年龄测定和硫同位素分析。

The influence of environmental factors on SR of Jujube tree is remarkable.

环境因子对枣树茎流具有显著的影响。

Crystal structure was determined by powder X-ray Diffraction and lattice parameters as a function of Sr-concentration x were obtained by using Rietveld method.

在80K-300K温度范围的直流电阻率测量表明，材料的电性质在x=0.2和0.3之间展示了从半导体到金属的相变。x=0.2样品已接近绝缘体-金属相变的边缘。

An algorithm based on the square-root unscented Kalman filter is proposed for weight estimation of the neural network, which can overcome the BP algorithm's drawbacks of slow learning speed, high computational complexity and the likeliness to make the study fall into the local minimum points.

提出一种利用平方根无轨迹卡尔曼滤波进行神经网络权值估计的算法，该算法可以克服BP算法存在的学习速率缓慢、计算量大、容易使学习陷入局部极小等缺点以Mackey-Crass混沌时间序列作为神经网络输入，运用SR-UKF算法、UKF算法、BP算法仿真神经网络。

In Chapter 2, the D-symmetric solutions of matrix equation A~TXA = B on the linear manifold S ={X ∈ D~(-2)SR~|XZ = Y, Y = Y{D~2Z+D~2Z, Z~TD~2Y = Y~TD~2Z, Y,Z∈ R~}, by applying the generalized singular value decomposition of a matrix pair, the necessary and sufficient conditions for the existence and the expressions for the D-symmetric solutions of matrix equation A~TXA — B on the linear manifold are established.

运用矩阵对的广义奇异值分解，给出了这类线性流形上矩阵方程A~TXA=B存在D对称解的充要条件及其通解的表达式。另外给出了它的D对称最小二乘解的表达式。

According to a report by Ed de la Vega of Philboxing.com, the knock down incident in Pacquiao's first day of sparring "may serve as a warning to Ricky Hatton and his loudmouth trainer Floyd Mayweather Sr."

据Philboxing.com的Ed de la Vega 报道，这次首日对练的KO事件（注：称作"事件"，因为拳手并不想将自己的陪练手打伤），"将给哈顿和他的乌鸦嘴教练老梅威瑟一个下马威。"

Result Macroelement such as P, K, Ca and Mg and microelement such as Fe, Mn and Zn were abundant in the leaves of A. annua L and the contents of heavy mental elements which were harmful to human were few. The average content of N, K, Ca, P, Mg was 32.6, 31.1, 8.94, 4.14, 3.02 g/kg resp., and the average content of Fe, Mn, St, Zn, Ni and SC was 406, 122.5, 57.7, 52.8, 3.60 and 0.069 mg/kg resp.

结果］黄花蒿叶中含有丰富的P、K、Ca、Mg等大量元素和Fe、Mn、Zn等微量元素，而对人体有害的重金属元素的含量少。N、K、Ca、P、Mg的平均含量分别为32.6、31.1、8.94、4.14、3.02g/kg，Fe、Mn、Sr、Zn、Ni、Se的平均含量分别为406、122.5、57.7、52.8、3.60、0.069mg/kg。

The Mauser 86 SR offered more firepower (thanks to a detachable magazine of bigger capacity), and better tactical flexibility.

毛瑟86的简提供了更多的火力（由于大容量的可拆卸杂志），和更好的战术灵活性。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。