1. This property, often called " helicity, 'serves to differentiate the neutrino from its antiparticle."
这种性质通常称为“螺旋性”， 可以用来区分中微子和它的反粒子。
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2. Helicity depicts dynamic feature of fluid that is rotating while moving along the rotating direction.
螺旋度是表征流体边旋转边沿旋转方向运动的动力性质的物理量。
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3. The distribution of helicity over the sandstorm area was negative at higher levels and positive at lower levels.
沙尘暴区上空垂直螺旋度的垂直分布为中高层负值，低层正值。
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4. The evolution of vertical helicity has a better forecast instruction significance to the southwest vortex rainstorm.
垂直螺旋度的演变对本次西南涡暴雨有较好预报指示意义。
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5. It is difficult for the application of relative storm helicity in predicting storms for the uncertainty of storm velocity.
风暴相对螺旋度用于预报时计算的难点在于确定预报风暴移动速度。
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6. The shearing wind helicity and thermal wind helicity are introduced and applied to a northeastern cold vortex rainfall event.
引入切变风螺旋度和热成风螺旋度，并将其应用于东北冷涡暴雨的诊断分析。
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7. On the basis of vertical helicity, we define three parameters, namely, the divergence flux, moisture vertical helicity and moisture divergence flux.
在垂直螺旋度的基础上，定义了散度通量，水汽垂直螺旋度和水汽散度通量三个宏观物理量。
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8. The front form meson eigen equations are formulated in momentum-helicity representation which hinders its solution in total angular momentum representation.
9. The effect of Faraday rotation on the helicity computation using observations from the Solar Magnetic Field Telescope at the Huairou Solar Observing Station.
法拉第效应对利用怀柔磁场望远镜观测的矢量磁场计算电流螺度的影响。
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10. The extra phases of polarized light due to photon helicity inversions on the interfaces between left-and right-(L-R) handed media is considered in this paper.
研究了正负材料交界面上光波因螺旋度瞬时翻转所导致的额外相位。
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11. As an important physical parameter in analyzing and predicting strong convective weather, the helicity also has good indication in the forecasting of sandstorm.
结果表明：螺旋度作为强对流天气分析预报中的一个重要物理量，在沙尘暴的预报中同样具有很好的指示意义。
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12. After studied the natural gas flow speed, density and helicity in the spiral and sine flow channel, the effects of natural gas to the bending tubing was obtained.
13. A method and steps of calculating storm relative helicity (SRH) according to the Doppler radar vertical wind profile (VWP) products are discussed firstly in this paper.
14. The analysis of helicity also revealed that under the updraft, the conversion from the horizontal whirlpool into the vertical whirlpool is one of the possible mechanisms of the event.
15. A new diagnostic quantity-moisture helicity is derived from the moisture equation, and the difinition of helicity, and its influence factors are analyzed in details by the dimensional analysis.
构造了新的诊断量——水汽螺旋度，并对影响水汽螺旋度变化的因子做了分析。
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16. A new diagnostic quantity-moisture helicity is derived from the moisture equation, and the difinition of helicity, and its influence factors are analyzed in details by the dimensional analysis.
