请注意,目前的宇宙年龄是由宇宙当前的膨胀速率所估计的。
Note that the present age of the universe follows from the expansion history and present expansion rate.
文中提出了改善氧化镁品质、改进掺混工艺、研制具有不同膨胀速率的膨胀剂等意见。
Suggestions are made for improving the quality of MgO, improving the method of mixing MgO in the production of concrete and for producing expansive agents with different speed of expansion.
蒸气制冷剂产生减缓膨胀气体的膨胀速率的补强蒸气,从而将膨胀气体留存在金属表面上。
The vaporous cryogen creates a reinforcing vapor that slows the expansion rate of the expanding gas, localizing the expanding gas over the metal surface.
根据膨胀变形试验结果,建立了膨胀土的膨胀量、膨胀速率以及膨胀变形所需时间与起始含水量的相关公式。
Based on test data, the formula correlative of time required for soil's expansive capacity, expansive speed rate and expansive deformation with initial moisture content is established.
其中,速度表示星系后退的速度,H0为哈勃常数,也即宇宙膨胀速率的参数,而距离指的是星系与相比较星系之间的距离。
H0 is the Hubble constant, or parameter that indicates the rate at which the universe is expanding; and distance is the galaxy's distance from the one with which it's being compared.
如果价格保持与货币的通货膨胀速率相同,去年的平均票价应该是35.30美元,然而事实上的平均价格变成了62.57美元。
If prices had increased in line with inflation, the average ticket would have cost $35.30 last year.
型HMX微细颗粒。考察了压力、温度、溶液初始浓度及溶液膨胀速率对GAS重结晶过程、晶粒大小和晶型的影响以及晶体的增长。
Effects of pressure, temperature, initial feed concentration of HMX solute, expansion speed of solution and growth of crystal on the GAS process have been studied.
天文学家预想了两种可能性:一定时间内,宇宙不是以严格一致的速率膨胀,就是随着它的不断老化而减慢膨胀。
Astronomers predicted two possibilities: either the universe has been expanding at roughly the same rate throughout time, or that the universe has been slowing in its expansion as it gets older.
计时器的工作原理类似于恒温器,当温度变化时,两种不同金属以不同速率缩小或膨胀。
The timer worked like a thermostat, on the principle that two different kinds of metal will expand and contract at different rates when their temperature changes.
利用该仪器可以测量聚合物在稳态和动态挤出过程中的流动速率、压力降、离模膨胀和表观粘度等。
The flow rate, pressure drop, die swelling and apparent viscosity in dynamic and static extrusion can be measured by using this equipment.
文采用热机械分析仪(TMA)分别研究了低温保护剂(CPA)和冻结速率对兔主动脉冻结相变过程中膨胀的影响。
Utilizing the Thermal Mechanical Analyser (TMA), the effects of concentrations of cryoprotective agents (CPA) and cooling rates on thermal expansion of rabbit artery during freezing were investigated.
本文通过对地史时期中地球自转速率、氢的外逸以及地表景观的研究,进一步支持了地球膨胀说。
By researching the rotation rate of the earth, the escape of hydrogen and the landscape of the earth in the geological period, the paper supports the Expansion Theory further.
结果表明,聚丙烯与较高熔体流动速率的聚乙烯共混后,其型坯直径膨胀的变化范围较宽,垂伸较明显。
The results showed that the swelling range of parison diameter of pp blended with higher MFR PE is wider and its parison sag is more apparent.
本文还得出了渗透压型鼓泡边缘的扩展速率和腐蚀产物体积膨胀型鼓泡的临界弯曲力矩。
Brim spreading velocity of osmotic pressure blister and critical bending moment of volume expansion blister were computed.
研究了PVC材料通过矩形口模挤出时,口模的几何参数和剪切速率对离模膨胀的影响,并从理论上分析了其特征规律。
The effects of geometrical parameters of die and shear rates on the die swell of PVC extruded through rectangular die were discussed, and the special rules were also analyses theoretically.
试验结果表明,不同浸水路径在浸水的初期阶段对膨胀土的膨胀变形速率有一定的影响,但膨胀率最终值基本一致;
The test results indicate that the swelling deformation rate in the early stage may affected by the inundation ways, but the ultimate deformation rates should be the same.
这些数据随着越来越复杂的技术变得可用而正在以一个膨胀的速率被产生。
These data are being generated at an expanding rate as increasingly sophisticated technologies become available.
这些影响因素使得口模出口处压力、法向速度和剪切速率均不为零,从而引发离模膨胀等问题。
These factors make the die exit pressure, normal velocity and shear rate not to be zero, thus lead to problems including die swell and etc.
采用热膨胀法和金相法相结合测绘管线钢x 80的CCT曲线,并研究冷却速率对组织和硬度的影响规律。
The CCT curves of pipeline steel X80 were drawn by adopting dilatometer and metallographic method, and the effects of cooling rates on microstructure and hardness of the steel were studied.
采用热膨胀法和金相法相结合测绘管线钢x 80的CCT曲线,并研究冷却速率对组织和硬度的影响规律。
The CCT curves of pipeline steel X80 were drawn by adopting dilatometer and metallographic method, and the effects of cooling rates on microstructure and hardness of the steel were studied.
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