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The computational formula on pressure increment in bottomholes affected by drilling speed is deduced as well.

首先利用在钻井过程中随钻测量起钻后地面回旋的方法,自行研制开发出能够抗180℃高温,具有抗震功能的测量仪器;其次,在原有模型基础上,利用实例数据进行分析,考虑固相和多相流加速度压降的影响,研制开发了流钻欠平衡钻井环空多相流井底压力的计算模型,并推导出机械钻速影响井底压力增量的计算公式;最后,为验证模型精度,开发了钻井监测与分析计算软件,软件计算结果与实测数据叶比,误差小于3%。

This paper measured the cooling curve of quenched and tempered heavy forging in temper cooling, and calculated maximum instantaneous elastic stress in cooling below 400℃.

测量了调质大锻件高温回火冷却时的表面及心部冷却曲线、室温及低温冲击韧性,并且计算了400℃以后冷却时最大瞬时弹性热应力。

The electrical conductivity of (Mg0.9Fe0.1) SiO3 enstatite has been measured at pressures of 10~20 GPa and temperatures of 750~1600 K using a Kawai-type multianvil high-pressure apparatus.

在温度750~1600 K和压力10~20 GPa条件下,借助于Kawai-5000多面顶砧高温高压设备,就位测量了(Mg0.9Fe0.1) SiO3 顽火辉石的电导率。

A new measurement technique for thermal conductivity of solids at high temperature by the hot wire method is developed.

开发出一种使用热线法测量和确定高温下固体材料导热系数的新方法。

Measurements of BE and BC junction diode properties at different temperatures have indicated that the rapid growth of BC junction leakage current with temperature is the cause of HBT degradation.

通过测量BE结和BC结在各温度的二极管特性,发现高温下BC结漏电流急剧上升,导致HBT性能退化。

scatheless measurement ; numerical simulation ; helium pressure

利用氦气在不同压力下具有不同的状态参数和热力参数,可以通过传热方法测量包壳内的氦气压力。1试验装置和研究方法如图1,把燃料棒浸入到一个高温的池子内,热量会在燃料棒内传递开来,通过测量管壁外面不同位置出的壁面温度,就可以推测到包壳内的氦气压力

The following experimental results are obtained:(1) Through the dissociation and ionization of sodium amide in a shock tube with a magic hole to provide sodium ions and electrons, the three-body recombination rate coefficient of sodium ion with electron is determined under the condition of argon atoms acting as the third body in the collision process:〓. The experimental temperature range is from 1400 to 2700K, extending the limitation of the flame method.

实验获得了如下结果:(1)在魔洞型单脉冲激波管上以氨基钠粉的高温分解和电离提供钠离子和电子,测定了以氩原子为碰撞第三体时钠离子与电子的三体复合速率系数〓,实验测量温度范围1400~2700K,拓宽了火焰方法测量结果的局限。

The HTS rf SQUID system developed by us demonstrated a good performance inthe application of MCG, magnets telluric soundings and NDE.

我们所研制的高温超导rf SQUID系统在心磁测量、大地电磁测量和材料的无损检测应用中,显示出很好的性能。

PerMeability of Masson pine wood and the relationship between perMeability and water transfer during high teMperature drying were studied and discussed in this paper,a conclusion was Made that perMeability of wood has a very big effect on water transfer above fiber saturation point and less effect on water transfer under fiber saturation during high teMperature drying.

对马尾松木材的横向渗透性进行了测量,讨论了马尾松木材的渗透性与高温干燥中水分迁移的关系,认为在高温干燥过程中,纤维饱和点以上木材的渗透性对干燥过程中水分迁移速度的影响最大,纤维饱和点以下木材的渗透性对干燥过程中水分迁移速度的影响较小。

The isothermal anneal at an elevated temperature of 1150℃ ramped up from a starting temperature (600-1000℃) was employed to enable the growth of the grown-in oxygen precipitates that are larger than the critical size at the starting temperature. Flourier transformation infrared spectroscopy and scanning infrared microscopy are used to measure the amount of precipitated oxygen and the oxygen precipitate density in a 300mm nitrogen-doped Czochralski silicon wafer, respectively.

文章摘要:采取从某一温度(600-1000℃)开始缓慢升温至高温(1150℃)并保温若干时间的方法,使得直拉si片中大于起始温度对应的氧沉淀临界尺寸的那一部分原生氧沉淀得以长大,然后通过傅里叶红外光谱测量氧浓度变化以及利用扫描红外显微术测量氧沉淀密度。

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And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47:5 法老对约瑟说,你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

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嘿大乌鸦,个别谎言的事不要再-其所有的组织的谎言,在支持。