查询词典 sec

What is the percent difference between the measured value for the acceleration due to gravity and the accepted value (9.8 m/sec/sec)?

重力加速度的测量值与公认值(9.8 m/sec/sec)之间的差别百分比是多少？

Upper limits to the pulsed component of these possible oscillations at the 3-sigma level inferred from the 1994 and 1999 ASCA data in 0.7-5 keV are 3.5x10^-14 erg/cm^2/sec and 1.9x10^-14 erg/cm^2/sec respectively, which are 12.4\% and 6.9\% of the source flux.

最后，依据不同的观测资料，对可能存在於中子星表面的波而言，我们给出3 倍标准差信心水准的能量通量上限：由1994、1999年ASCA的资料，得到3.5×10^-14 erg/cm^2/sec和1.9×10^-14 erg/cm^2/sec，分别为原来星体能量通量的12.4﹪和6.9﹪。

SEC velocity in South Indian Ocean and SEC, NEC and EUC in Pacific Ocean is decreased, the speed of SECC in Indian Ocean and the speed of SECC, NECC in Pacific Ocean is increased.

ITF通道的封闭使得南印度洋的SEC大大降低，太平洋的SEC、NEC、EUC减小，而印度洋的SECC和太平洋的SECC、NECC有所增大。

We expound the principle of SEC model, especially the Giotto model used in this task and introduce the working principle, development tools and developing method of it.

阐述了SEC模型原理，并对一个具体应用SEC模型——Giotto模型原理进行了详细阐述，对该模型的工作原理、开发工具和开发方法进行了介绍。

At 135 mm depth and 0.28 m/sec speed, the biomimetic furrow opener surface with UHMWPE tubular ridges recorded 0.62 kN and 0.17 kW, while at 135 mm depth and 0.92 m/sec speed, the values were 0.91 kN and 0.82 kW. The experimental values of resistance force and power for the conventional surface furrow opener at 100 mm depth, and 0.28 m/sec speed were 0.72 kN and 0.20 kW, while at 100 mm depth and 0.92 m/sec speed, the values were 1.11 kN and 1.0 kW. At 135 mm depth and 0.28 m/sec speed, the conventional surface furrow opener recorded 0.93 kN and 0.25 kW, while at 135 mm depth and 0.92 m/sec speed, the values were 1.50 kN and 1.35 kW.

试验测试结果：当耕深100 mm和耕作速度0.28 m/sec时，实测的普通开沟器的土壤阻力和动力消耗分别为0.72kN和0.20kW；当耕深100 mm和耕作速度0.92 m/sec时，实测的普通开沟器的土壤阻力和动力消耗分别为1.11kN 和1.0kW；当耕深135 mm和耕作速度0.28 m/sec时，实测的普通开沟器的土壤阻力和动力消耗分别为0.93kN和0.25kW；而当耕深135 mm和耕作速度0.92 m/sec时，实测的普通表面开沟器的土壤阻力和动力消耗分别为1.5kN和1.35kW。

The predicted values of resistance force and power for the conventional surface furrow opener at 100 mm depth and 0.28 m/sec speed were0.51 kN and0.14kW, while at 100 mm depth and 0.92 m/sec the values were0.98kN and0.88kW. At 135 mm depth and 0.28 m/sec speed, the conventional surface furrow opener recorded 0.70 kN and 0.20 kW, while at 135 mm and 0.92 m/sec speed, the values were 1.40 kN and 1.26 kW. The predicted values of resistance force and power for the biomimetic furrow opener surface with UHMWPE tubular section ridges at 100 mm depth and 0.28 m/sec speed were 0.45 kN and 0.12kW, while at 100 mm depth and 0.92 m/sec speed, the values were 0.73kN and 0.66 kW.

对于超高分子量聚乙烯材料仿生脊型非光滑结构表面，当耕深100 mm和耕作速度0.28 m/sec时，预测的仿生开沟器的土壤阻力和动力消耗分别为0.45kN和0.12kW；当耕深100 mm和耕作速度0.92 m/sec时，预测的仿生开沟器的土壤阻力和动力消耗分别为0.73kN和0.66kW；当耕深135 mm和耕作速度0.28 m/sec时，预测的仿生开沟器的土壤阻力和动力消耗分别为0.62kN和0.17kW；而当耕深135 mm和耕作速度0.92 m/sec时，预测的仿生开沟器的土壤阻力和动力消耗分别为0.91kN和0.82kW。

The experimental values of resistance force and power for the biomimetic furrow opener surface with UHMWPE tubular section ridges at 100 mm depth and 0.28 m/sec speed were 0.60 kN and 0.16 kW, while at 100 mm depth and 0.92 m/sec speed, the values were 0.80 kN and 0.72 kW. At 135 mm depth and 0.28 m/sec speed, the biomimetic furrow opener surface with UHMWPE tubular section ridges recorded 0.76 kN and 0.21 kW, while at 135 mm depth and 0.92 m/sec speed, the values were 0.95 kN and 0.85 kW. The predicted and experimental values of resistance force and power for the conventional surface furrow opener were higher than predicted and experimental values for the biomimetic furrow opener surface with UHMWPE tubular section ridges.

对于超高分子量聚乙烯材料仿生脊型非光滑结构表面，当耕深100 mm和耕作速度0.28 m/sec时，实测的仿生开沟器的土壤阻力和动力消耗分别为0.6kN和0.16kW；当耕深100 mm和耕作速度0.92 m/sec时，实测的仿生开沟器的土壤阻力和动力消耗分别为0.8kN和0.72kW；当耕深135 mm和耕作速度0.28 m/sec时，实测的仿生开沟器的土壤阻力和动力消耗分别为0.76kN和0.21kW；而当耕深135 mm和耕作速度0.92 m/sec时，实测的仿生开沟器的土壤阻力和动力消耗分别为0.95kN和0.85kW。

Flow convergence regurgitant volumes and fractions were calculated by using the hemispherical flow convergence equation with 81, 71, 58, 46, 37 and 29cm/sec aliasing limit velocities, and the effective regurgitant areas were calculated with 58, 46 and 37cm/sec aliasing velocities.

按半球血流会聚公式分别计算混叠极限为81、71、58、46、37和29cm/sec时返流量、返流分数(返流量/二尖瓣口流入量)及混叠极限为58、46和37cm/sec时有效返流口面积(返流量/返流速度时间积分)。

Bone strength, determined using quantitative ultrasound measurement of bone speed of sound at the middle left tibial shaft, decreased significantly in the control group from 2,892 30 m/sec at baseline to 2,799 26 m/sec at four weeks. However, bone SOS of the exercise group remained stable (2,825 32 m/sec at baseline and 2,827 26 m/sec at four weeks). Despite improvement in bone SOS with exercise, there were no accompanying changes in markers of bone formation and resorption.

研究使用超音波测量骨骼声波速度来数量化评估骨骼强度，测量的位置是婴儿的中间左侧胫骨干，研究显示，对照组的婴儿显著减少了骨骼强度，从基线2，892 ± 30 m/sec降到四周时的2，799 ± 26 m/sec，但是锻炼组的骨骼SOS维持稳定(基线：2，825 ± 32 m/sec，四周：2，827 ± 26 m/sec)，虽然锻炼可以改善骨骼SOS，但是骨骼形成和再吸收指标并没有跟著改变。

We have firstly calculated and compared the different flow rates by applying various aliasing velocities in the patients with mitral insufficiency, mitral stenosis and ventricular septal defect as well, and suggest that the most uitable aliasing velocities for the hemisphierical flow cenvergence calculation were about 46cm/sec for mitral insufficiency, 37cm/sec for mitral stenosis and 58cm/sec for ventricular septal defect respecively.

首次在二尖瓣关闭不全、二尖瓣狭窄和室间隔缺损患者采用不同混叠极限速度分别计算、比较其流量，提出二尖瓣关闭不全、二尖瓣狭窄和室间隔缺损患者最适合半球血流会聚法计算流量的混叠极限速度分别为46、37和58cm/sec左右。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。