结果表明,离子液体对稠油具有较好的改质降黏作用。
The results indicate that ionic liquids have good viscosity reduction property for heavy oils.
为此,提出了一种计算铁精矿选矿提质降杂经济效益的还原成本法。
Therefore, a cost recovery method for calculating the economic benefit of the quality improvement & impurity reduction of iron concentrate by way of beneficiation is proposed.
酒钢选矿厂采用阳离子反浮选工艺对焙烧磁选系统进行了提质降杂改造。
The cationic inverse flotation techniques on the roasting-magnetic separation system is adopted to improve quality and reduce impurities in dressing plant of Jiusteel.
如果在光伏系统中使用车用蓄电池,蓄电池通常降质更快,因为它并非为深循环而设计。
If an automobile battery is used in a PV system, it will generally degrade much faster because it is not designed for deep cycling.
介绍了蒸汽发生器二次侧的降质、清洗与目视检查的管理、清洗方法与目视检查的推荐。
This paper describes degradation of steam generator secondary side, management of cleaning and visual inspection, recommendation of cleaning approach and visual inspection.
射线源焦点及探测器孔径大小是导致CT图象降质的主要因素。
The sizes of focal spot and detector aperture are the factors affecting ct image quality.
在视频图像获取过程中,由于噪声对图像序列的降质,需要设计实时噪声滤波器。
For the degradation of image sequence due to noise, the temporal noise filter is designed during video image acquisition process.
所谓盲恢复就是利用成像系统的部分信息,根据降质图像来恢复出清晰图像和模糊因子的图像恢复过程。
Blind image Restoration is the process of estimating both the true image and the blur from the degraded image characteristic using partial information about the imaging system.
由于大气湍流等引起的光学畸变和光学系统本身的限制,使得获取的目标图像出现模糊和降质。
Because of optical distortion induced by atmosphere turbulence and limitation of optical devices, acquired images of space object are blurred and degraded.
泵吸中心巨大的压力降使深部的承压流体在富钠质岩系中产生周期性的构造泵吸—水力压裂—沉淀愈合作用。
The large pressure decline in the pumping centre caused the deep-seated confined fluids to develop periodic tectonic pumping, hydrofracturing and precipitation healing in the sodium-rich rock series.
然后,系统地对降低X射线数字图像质量的因素进行了研究,并应用图像增强和图像复原的方法对降质X射线数字图像进行处理。
Then, the factors degrading image quality of X -ray digital image are studied systemically, the method of image enhancing and image restoration is applied to degraded X -ray digital image.
盲图像恢复就是在点扩散函数未知情况下从降质观测图像恢复出原图像。
Blind image restoration is to recover the original image form the observed degraded image with unknown the Point Spread Function (PSF).
在非临氢降凝催化剂的催化作用下,随着催化改质温度的升高,汽油馏分产率逐渐提高,而重油产率、催化剂积碳率逐步减少。
By the catalysis of FC catalyst, with the temperature of catalytic transformation rising, the yield of gasoline would rise, however, heavy oils and carbon residue were on the contrary.
周期性误差是匀速直线运动降质图像复原中普遍存在的现象,它严重影响复原图像质量。
Periodic error commonly appear in restoring uniform motion blurred picture, its appearance degrade the quality of restored image heavily.
为了从降质图像中去除天气的影响,提出改进的最小失真意义下图像去雾算法。
In order to remove the effect of weather in degraded image, this paper proposes an improved image defogging algorithm by minimum distortion.
针对特超稠油油藏原油胶质、沥青质含量高,层状结构复杂的特点,研制了高效复合降粘体系XGD并对其性能进行了评价。
A high efficient complex viscosity reduction system XGD was developed for the crude oil in superheavy oil reservoir with high resin and asphaltene content and complicated layer structure.
优化后模块的热质交换效果与原有模块相同,但体积为原有模块体积的70%,压降仅为原有模块的49%。
Compared to the original DE - humidification module, the volume decreases to 70% and pressure drop decreases to 49%, while the enthalpy and moisture efficiencies are almost the same.
它们主要来源于母质,其次来自成土过程,降尘输入量极有限。
These clay minerals mainly come from parent material, a few from pedogenic processes, and dust input is minute.
降血钾树脂适用于各种高血钾增高症及肾功能衰竭引起的氮质血症。
Sodium polystyrene sulfonate is adequate for varieties of hyperkalemia and azotemia due to renal failure.
灰度等级少、对比度低的降质图像增强问题。
The image enhancement problem for degraded images with less gray levels and low contrasts.
加入特定约束得到的各种特定约束复原方程均能有效的复原空间移变降质图像。
And the restoration equation with specific constraint can restore space-variant blurring image effectively.
现有的压降分析解释技术只适合于低渗透均质油藏,而不能解释裂缝性储层的压裂裂缝参数。
The existent pressure drawdown analysis technologies were only suitable for low permeability and isotropy reservoirs, not for interpreting fracture parameters of fractured reservoirs.
在电影胶片降质检测和修复中,划痕是最为常见且较难检测的一种胶片降质。
In film defect detection and reparation, scratch is a common type of film detects which is hard to detect.
有资料表明,在当前的技术状态下,只有预先了解引起图像降质的原因,对无参考图像进行质量判别才是可行的。
Furthermore, there are no references for many aerial images and it is feasible to evaluate image quality only by knowing the cause of degrading image quality.
对其复原的目的在于补偿图像降质,使恢复后的图像尽可能地接近原始图像,为此要对恢复图像的质量进行评价。
The purpose of restoration is to compensate for image degradation, so that the restored image is as close as possible the original image. So the quality of restored image should be evaluated.
若把成像系统作为线性空变系统来进行处理,根据等晕成像原理,如将降质图像分割为不同区域进行复原的话,则可以有效地提高图像的恢复效果。
The result will be improved if the degraded image is divided into regions to be restored according to the isoplanatic theory, on the basis of that the system is a linear variant one.
上述两法的组合运用有同时减量降质法和先减后降法。
The combined USES of the above two methods are decrement method and degrading method at the same time, and first decrement method then degrading method.
此外,高温蒸汽可能通过使沥青质发生烷基侧链断裂反应降低沥青质含量而CO2通过溶解作用改变胶团结构来实现降黏作用。
In addition, the viscosity-reducing effect of high temperature steam and CO2 is achieved by breaking asphaltenes'alkyl-side-chain and by changing micellar structure.
此外,高温蒸汽可能通过使沥青质发生烷基侧链断裂反应降低沥青质含量而CO2通过溶解作用改变胶团结构来实现降黏作用。
In addition, the viscosity-reducing effect of high temperature steam and CO2 is achieved by breaking asphaltenes'alkyl-side-chain and by changing micellar structure.
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