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To the same kind of rocks, the penetration rate increases with the increases of electric bit thermal power. When electric bit thermal power keeps fixedness, the penetration rate increases in various degrees with the increases of bit load in difference rocks. Increasing the bit load is beneficial to improve the quality of glass hole wall, but the bit load should not be too big.

对于同一种岩石,钻进速度随钻头电热功率的增大增大;当钻头电热功率不变时,根据所钻岩石岩性的不同,钻进速度随钻头轴载的增大而不同程度地增大,增加钻头轴载有利于提高玻璃状孔壁的质量,但不宜过大。

The apatite with end-member cations, the apatite solid solutions [M-M1 AP] withdivalent cations substitution, the fluorapatite and the chlorapatite with end-memberations, the apatite solid solutions [Xi-X2 AP] with column-ions substitution were synthesizedthrough " solid-phase reaction method" in inert gas.

对不同Ca/P摩尔比HAP来说,在1.2≤R≤2.3范围内,随R值偏离正常配比程度的增大,其比表面积增大、晶粒尺寸ΓA,Γ(221,ΓR减小、晶形指数降低、结晶度减小、晶格缺陷度增大;当R=2.5时,晶粒尺寸和结晶度反而增大,出现反常,但晶格缺陷度却保持有规律增加。

The results show that the SI value of MAP is the logarithmic function of the mass concentration of P, of ammonium N and of Mg, respectively, and increases with the increase of the mass concentration of each element, The SI value of MAP is a polynomial function of the solution pH value, and the optimum pH value for the crystallization of MAP is 9.0 and increases slightly with the increase of N/P. Moreover, the SI value of MAP is a power law function of the solution ionic strength but decreases with its increase.

计算结果表明,磷酸铵镁的饱和度指数与氮、磷、镁的质量浓度分别呈对数函数关系,并随任何一个因子的增大增大;与溶液pH值呈多项式函数关系,结晶反应的最佳pH值为9.0,并随溶液中氨氮与磷摩尔比的增大而略升;此外,磷酸铵镁的饱和度指数与溶液离子强度呈幂函数关系,随离子强度的增大而减小。

Results show that floes' VC and D at the surface water were closely related to current velocity; and the peaks of VC lag those of the current velocity. The lag variation during ebb and flood tides is 10-30min and 30-50 min, respectively. Current velocity at 50 cm/s is a turning point of D vs. vertical average current velocity, before the point, Dm increases with current velocity, and decreases after the point. Similarly, VC at 75μl/L becomes a critical point in the surface water, below the point, D increases with VC, and above the point, D stabilizes.Δp is D dependent, larger floes have much lower Δp than smaller floes. Both D and Δp of floes affect ω. In the surface water during spring tide and neap tide, a power exponent relationship exists between Δp and D, and ω and D.

研究表明:①长江口徐六泾表层絮凝体体积浓度主要受水流流速影响,再悬浮现象明显,体积浓度过程线滞后流速过程线,落潮期间滞后10-30min,涨潮则滞后30-50min;②小于一定流速时絮凝体平均粒径随流速增大增大,大于一定流速时絮凝体平均粒径则随流速增大而减小,徐六泾夫、小潮表层絮凝体在50cm/s的垂线平均流速时出现平均粒径与垂线平均流速关系的转折;③徐六注大、小潮表层絮凝体平均粒径在体积浓度75μl/L时出现平均粒径与体积浓度关系的转折,体积浓度小于75μl/L时粒径随体积浓度增加而增大,超过75μl/L时粒径随体积浓度的增加变化不明显;④絮凝体有效密度由粒径大小控制,粒径大,有效密度小,反之亦然,粒径和有效密度共同决定絮凝体静水沉速,有效密度和沉速与平均粒径之间均存在良好的幂指数关系。

Numerical simulation and shaking table tests for acceleration response of piles in liquefiable ground were performed under three earthquake events.

结果表明:三种地震输入下,自下而上沿桩-柱墩长度方向,加速度峰值放大系数变化基本一致且均出现在10~20s时段内,加速度时程曲线的形状也极其相似;压缩0.15g El Centro波输入下加速度反应在砂土层与黏土层过渡带有增大趋势、在地表则有一定程度减小,且压缩0.15g El Centro波较0.15g El Centro波输入下均偏小,0.15g El Cen-tro波输入下自下而上桩的加速度时程幅值和峰值放大系数的试验值、计算值均一直有较大幅度增大;0.5g El Centro波输入下,加速度时程幅值的计算值和试验值在桩折断位置之下一直增大、至砂土层与黏土层过渡带则大大减小,加速度峰值放大系数的试验值和计算值在砂土层与黏土层过渡带突变增大、而在地表则明显减小,且较0.15g El Centro波输入下桩的峰值放大系数要偏小。

It was found that the slug head rose in the riser at a constant velocity in the slug formation stage.At the same time,the direction of slug tail movement was opposite to the flow direction,and the tail velocity kept constant when flowing through the inclined pipe.

结果表明:在液塞形成阶段,液塞速度随气液相折算速度的增大而线性增大;当气、液相折算速度恒定时,液塞速度随下倾管倾角的增大而稍有增大

The agglomerations sizes of fine particles in the fluidized bed are smaller under higher SPL. The sound waves have little effect on the agglomerations when it is under 120dB. But the agglomerations sizes will be dramatically reduced to 180μm from 720μm when the SPL is above 130dB. The umf has a minimum value at an appropriate frequency of sound and a good quality of fluidization can exist in a greater ranges of frequency of sound when the SPL is higher.

当频率高于120Hz,流化床中形成聚团尺寸随着频率的增加而增大,最小流化速度也随着频率的增加而增大,当频率低于120Hz,流化床中形成聚团尺寸随着频率的减小而增大,最小流化速度也随着频率的减小而增大;料层越高,声波的衰减越大,超细颗粒的流化效果越差,最小流化速度越大。

Studied the solid particles cyclone separation under structural parameters and operating parameters of different hydrocyclone, the results showed that major factor influence split ratio is in the ratio of entrance to exit pressure of hydrocyclone. Exit pressure has a certain influence on the split ratio, the various of the diameter and cone angle of hydrocyclone (in the ratio of entrance to exit pressure is constant) have no influence on split ratio; With diameter and cone angle increase, the separation granularity gradually increasing and recovery ratio decreasing; With entrance pressure increase, the separation granularity of hydrocyclone decrease, the split ratio of underset will increase slowly; With the diameter of overflow pipe increase, the separation granularity of hydrocyclone increasing and recovery ratio decreasing; With the diameter of underset pipe increasing, the separation granularity of hydrocyclone decreasing and recovery ratio increasing.

在不同的水力旋流器结构参数和操作参数下,对固体颗粒的旋流分离进行了分析研究,结果表明:旋流器的排出口比是影响分流比的主要因素,进口压力对分流比有一定影响,水力旋流器的直径变化和锥段角度变化对分流比基本上没有影响;随着直径、锥段角度的增大,分离粒度逐渐增大,回收率降低;随着入口压力增大,水力旋流器的分离粒度变小,底流的分流比会缓慢增加;随着溢流管管径的增加,分离粒度增大,分流比明显减小,回收率降低;随着底流管直径的增加,分离粒度减小,分级效果明显下降,回收率会增加。

The study results indicate that as emission power increases, the peak power density on the section of a certain distance will increase firstly, then it will descend and that the peak light intensity on the section will increase with the increasing of spot radius of basic mode Gaussian beam. As the propagation distance increases, the peak light intensity on the section will descend gradually, and the laser energy will spread. The light intensity distribution exhibits straw hat shape on a certain conditions, in other word to say, the central light intensity is less than acroteric light intensity.

结果表明,无风稳态热晕效应存在时,随发射功率的增大,一定传输距离截面上的峰值功率密度先增人后减小;截面上的峰值光强随基模高斯光束的腰斑半径的增大增大;随着传输距离的增大,截面上峰值光强在逐渐减小,能量在逐渐向周围扩展;在一定条件下,截面上的光强分布会呈现中心光强小于周围光强的&草帽型&分布。

AFM images revealed that as the sputtering time was prolonged, the film thickness increased, the film became compacter, and the specific area of the film also increased, thus, the release rate of silver ions increased, which led to improved antibacterial properties. EDX test results indicated that increase in film thickness led to increase in silver weight percentage per unit surface, causing improved antibacterial properties. Moreover, when the film thickness was 1 nm, the inhibition percentage of Staphylococcus aureus and Escherichia coli were 100%.

结果表明:随着薄膜厚度的增大,样品抗菌性能提高;溅射时间延长,薄膜厚度增大,膜层的致密性改善,单位面积上的银含量增加,膜层表面积增大,银离子释放几率增大,是提高抗菌性能的主要原因;当纳米结构银薄膜厚度为1 nm时,对大肠杆菌和金黄色葡萄球菌的抑菌率均达到100%。

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