公开(公告)号：US08951414B2

公开(公告)日：2015-02-10

申请号：US13925350

申请日：2013-06-24

Applicant: King Abdulaziz City for Science and Technology

Inventor： Sulaiman M. Alfadul ,  Abdulrahman I. Alabdula'aly ,  Mujahid A. Khan

IPC: C02F1/48 ,  B03C1/01 ,  B03C1/28 ,  B03C1/30 ,  B82Y30/00 ,  C07F15/02 ,  C02F1/28 ,  C02F1/68

CPC classification number: C02F1/48 ,  B03C1/01 ,  B03C1/288 ,  B03C1/30 ,  B03C2201/18 ,  B03C2201/26 ,  B82Y30/00 ,  C02F1/288 ,  C02F1/488 ,  C02F1/681 ,  C02F2305/08 ,  C07F15/025 ,  Y10S977/733 ,  Y10S977/773 ,  Y10S977/811 ,  Y10S977/838 ,  Y10S977/896

Abstract: A water treatment composition capable of effectively adsorbing pollutants from water is described. The composition includes magnetic extractants, which comprise magnetite nanoparticles containing functional groups. The composition is used to remove from water and aqueous streams oils and other contaminants. A process for removing contaminants from water and apparatus used in the process are also described.

Abstract translation: 描述了能够有效地吸附水分污染物的水处理组合物。 组合物包括磁性提取剂，其包含含有官能团的磁铁矿纳米颗粒。 该组合物用于从水和含水料流中除去油和其它污染物。 还描述了用于从水中除去污染物和在该方法中使用的装置的方法。

公开(公告)号：US08896371B2

公开(公告)日：2014-11-25

申请号：US14322572

申请日：2014-07-02

Applicant: King Fahd University of Petroleum and Minerals ,  King Abdulaziz City for Science and Technology

Inventor： Hussain Alzaher

IPC: H03K17/16 ,  H03H11/04

CPC classification number: H03H11/0455 ,  H03H11/0422 ,  H03H11/36

Abstract: Voltage and current mode reconfigurable nth-order filters (RNOFs), fabricated in a 0.18 μm CMOS process, utilize an inverse-follow-the-leader-feedback (IFLF) signal path with summed outputs, resulting in a follow-the-leader-feedback-summed-outputs (FLF-SO) filter topology. The FLF-SO filter uses multi-output current amplifiers (CAs). Inverse-follow-the-leader-feedback-summed-outputs (IFLF-SO) and inverse-follow-the-leader-feedback-distributed-outputs (IFLF-DI) structures are realized by employing 3n+4 transconductance amplifiers (TCAs) for voltage mode processing and two TCAs for current mode signals. A plurality of programmable current division networks (CDNs) tune a digitally controlled current follower (DCCF). A multi-output Digitally Controlled Current Amplifier (MDCCA) controls gain by providing independent filter coefficient control. Forward path output gains are set to unity. Alternatively, a multi-output digitally controlled CCII block (MDCCCII) uses CCII in the first stage. Such filters provide independent tuning of both numerator as well as denominator coefficients and are reconfigurable without the need of switches due to CDNs setting undesired output current to zero.

Abstract translation: 以0.18μmCMOS工艺制造的电压和电流模式可重构n阶滤波器（RNOF）利用反向跟随的前导反馈（IFLF）信号路径和相加的输出， 反馈求和输出（FLF-SO）滤波器拓扑。 FLF-SO滤波器使用多输出电流放大器（CA）。 通过采用3n + 4跨导放大器（TCA）实现反向跟随 - 前导反馈求和输出（IFLF-SO）和反向跟随 - 前导反馈分布式输出（IFLF-DI） 用于电压模式处理和两个TCA用于电流模式信号。 多个可编程分频网络（CDN）调谐数字控制的电流跟随器（DCCF）。 多输出数字控制电流放大器（MDCCA）通过提供独立的滤波器系数控制来控制增益。 前向路径输出增益设置为1。 或者，多输出数字控制CCII块（MDCCCII）在第一级使用CCII。 这样的滤波器提供分子和分母系数的独立调谐，并且由于CDN将不需要的输出电流设置为零而可重新配置而不需要开关。

公开(公告)号：US20140312964A1

公开(公告)日：2014-10-23

申请号：US14322572

申请日：2014-07-02

Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS ,  KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY

Inventor： HUSSAIN ALZAHER

IPC: H03H11/04

CPC classification number: H03H11/0455 ,  H03H11/0422 ,  H03H11/36

Abstract: Voltage and current mode reconfigurable nth-order filters (RNOFs) fabricated in a 0.18 μm CMOS process are disclosed. The RNOFs utilize an inverse-follow-the-leader-feedback (IFLF) signal path with summed outputs, resulting in a follow-the-leader-feedback-summed-outputs (FLF-SO) filter topology. The FLF-SO filter uses multi-output current amplifiers (CAs). Inverse-follow-the-leader-feedback-summed-outputs (IFLF-SO) and inverse-follow-the-leader-feedback-distributed-outputs (IFLF-DI) structures are realized by employing 3n+4 transconductance amplifiers (TCAs) for voltage mode processing and two TCAs for current mode signals. A plurality of programmable current division networks (CDNs) tune a digitally controlled current follower (DCCF). A multi-output Digitally Controlled Current Amplifier (MDCCA) controls gain by providing independent filter coefficient control. Forward path output gains are set to unity. Alternatively, a multi-output digitally controlled CCII block (MDCCCII) uses CCII in the first stage. Such filters provide independent tuning of both numerator as well as denominator coefficients and are reconfigurable without the need of switches due to CDNs setting undesired output current to zero.

Abstract translation: 公开了以0.18μmCMOS工艺制造的电压和电流模式可重新配置的n阶滤波器（RNOF）。 RNOF利用具有相加输出的反向跟随前导反馈（IFLF）信号路径，导致跟随前导 - 反馈求和输出（FLF-SO）滤波器拓扑。 FLF-SO滤波器使用多输出电流放大器（CA）。 通过采用3n + 4跨导放大器（TCA）实现反向跟随 - 前导反馈求和输出（IFLF-SO）和反向跟随 - 前导反馈分布式输出（IFLF-DI） 用于电压模式处理和两个TCA用于电流模式信号。 多个可编程分频网络（CDN）调谐数字控制的电流跟随器（DCCF）。 多输出数字控制电流放大器（MDCCA）通过提供独立的滤波器系数控制来控制增益。 前向路径输出增益设置为1。 或者，多输出数字控制CCII块（MDCCCII）在第一级使用CCII。 这样的滤波器提供分子和分母系数的独立调谐，并且由于CDN将不需要的输出电流设置为零而可重新配置而不需要开关。

公开(公告)号：US08861655B1

公开(公告)日：2014-10-14

申请号：US13915513

申请日：2013-06-11

Applicant: King Fahd University of Petroleum and Minerals ,  King Abdulaziz City for Science and Technology

Inventor： Tareq Y. Al-Naffouri ,  Ahmed Abdul Quadeer

IPC: H04L27/06 ,  H04L1/00

CPC classification number: H04L1/0054

Abstract: The method of performing structure-based Bayesian sparse signal reconstruction is a Bayesian approach to sparse signal recovery that has relatively low complexity and makes a collective use of: a priori statistical properties of the signal and noise; sparsity information; and the rich structure of the sensing matrix Ψ. The method is used with both Gaussian and non-Gaussian (or unknown) priors, and performance measures of the ultimate estimate outputs are easily calculated.

Abstract translation: 执行基于结构的贝叶斯稀疏信号重建的方法是一种具有较低复杂度的稀疏信号恢复的贝叶斯方法，并且集合使用：信号和噪声的先验统计特性; 稀疏信息; 和感知矩阵Ψ的丰富结构。 该方法与高斯和非高斯（或未知）先验一起使用，并且容易计算最终估计输出的性能测量。

公开(公告)号：US20140292367A1

公开(公告)日：2014-10-02

申请号：US13854727

申请日：2013-04-01

Applicant: TEXAS A&M UNIVERSITY SYSTEM ,  KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY

Inventor： Zeyang Liao ,  M. Al-Amri ,  M. Suhail Zubairy

IPC: H03K19/195

CPC classification number: H03K19/195 ,  B82Y10/00 ,  G06N99/002 ,  Y10S977/933

Abstract: Preservation of quantum entanglement in a two-qubit system is achieved by use of the disclosed systems. Three different example two-qubit systems are shown: (1) a system employing a weak measurement, (2) a system in which a generalized amplitude dampening occurs without use of a weak measurement, and (3) an extended system in which the system is prepared in a more robust state less susceptible to decoherence prior to a generalized amplitude dampening.

Abstract translation: 通过使用所公开的系统来实现双量子位系统中的量子纠缠的保存。 示出了三个不同的示例性双量子比特系统：（1）采用弱测量的系统，（2）在不使用弱测量的情况下发生广义振幅衰减的系统，以及（3）系统 在更广泛的振幅衰减之前被制备成较不易于去相干的更健壮的状态。

公开(公告)号：US08820175B1

公开(公告)日：2014-09-02

申请号：US14023451

申请日：2013-09-10

Applicant: King Fahd University of Petroleum and Minerals ,  King Abdulaziz City for Science and Technology

Inventor： Wael H. Ahmed ,  Meamer El Nakla ,  Abdel Salam Al Sarkhi ,  Hassan Mohamed Badr

IPC: G01F1/74 ,  G01F1/69

CPC classification number: G01F1/69 ,  G01F1/684 ,  G01F1/688 ,  G01F1/74 ,  G01F15/185

Abstract: The sensor for two-phase flow measurements is installed between two sections of pipe, providing an accurate measurement of radial temperature gradient in a two-phase flow. The sensor includes a heated tube having axially opposed first and second open ends. An annular sensor mount is secured about the first end thereof. First and second annular flanges are mounted to the heated tube for fluid-tight connection with the pair of pipe sections such that a two-phase fluid flowing through the pair of pipe sections continuously flows through the heated tube and a circular opening defined by the annular sensor mount. A central temperature sensor is suspended centrally within the circular opening for measuring a central temperature of the two-phase fluid. At least one peripheral temperature sensor is mounted on the annular sensor mount adjacent an inner annular wall thereof for measuring the peripheral temperature of the two-phase fluid.

Abstract translation: 用于两相流量测量的传感器安装在两段管道之间，提供两相流中径向温度梯度的精确测量。 传感器包括具有轴向相对的第一和第二开口端的加热管。 环形传感器支架围绕其第一端固定。 第一和第二环形凸缘安装到加热管上，用于与一对管部分流体密封连接，使得流过该对管段的两相流体连续流过加热管，并且由环形 传感器安装。 中央温度传感器悬浮在圆形开口中央，用于测量两相流体的中心温度。 至少一个外围温度传感器安装在邻近其内环形壁的环形传感器座上，用于测量两相流体的周围温度。

公开(公告)号：US20140225004A1

公开(公告)日：2014-08-14

申请号：US13763129

申请日：2013-02-08

Applicant: THE TEXAS A&M UNIVERSITY SYSTEM ,  KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY

Inventor： Muhammad Suhail Zubairy ,  Zeyang Liao ,  Mohammad D. Al-Amri

IPC: G01N21/64

CPC classification number: G01N21/6458 ,  G01N21/6402 ,  G01N21/6456

Abstract: The resonance fluorescence spectrum of a number of two-level atoms is driven by a gradient coherent laser field. In the weak dipole-dipole interaction region (separation less than λ/50), a very strong laser field may be applied such that the Rabi frequency is much larger than the dipole-dipole interaction energy. From the spectrum, the positions of each atom may be determined by just a few measurements. This sub-wavelength microscopy scheme is entirely based on far-field technique and it does not require point-by-point scanning, which makes the method more time-efficient. When two atoms are very close to each other (less than λ/50), the position information for each atom may still be obtained with very high accuracy provided that they are not too close to other atoms. The method may be extended to an arbitrarily large region without requiring more peak laser power and only a few measurements are required.

Abstract translation: 许多两级原子的共振荧光光谱由梯度相干激光场驱动。 在弱偶极 - 偶极相互作用区域（分离小于λ/ 50）时，可以施加非常强的激光场，使得Rabi频率远大于偶极 - 偶极相互作用能量。 从光谱中，每个原子的位置可以通过几个测量来确定。 这种亚波长显微镜方案完全基于远场技术，并且不需要逐点扫描，这使得该方法更节省时间。 当两个原子彼此非常接近（小于λ/ 50）时，每个原子的位置信息仍然可以以非常高的精度获得，只要它们不太靠近其它原子即可。 该方法可以扩展到任意大的区域，而不需要更多的峰值激光功率，并且仅需要几个测量。

公开(公告)号：US20140219058A1

公开(公告)日：2014-08-07

申请号：US13758919

申请日：2013-02-04

Applicant: KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY ,  KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

Inventor： WAIL MOUSA ,  ABDULLATIF ABDULRAHMAN AL-SHUHAIL

IPC: G01S15/89

CPC classification number: G01S15/8993 ,  G01N29/0672 ,  G01N2291/0232 ,  G01N2291/106 ,  G01S15/8913

Abstract: The ultrasound imaging tool for rock cores includes an ultrasound generator that can be inserted at selected depths into a drilled bore in a geological core sample. An array of ultrasound receivers are placed completely around the outer surface of the core sample. The ultrasound generator produces the ultrasound waves at various depths inside the bore, and the data obtained by the ultrasound receivers generates a complete 3-D ultrasound image of the core sample.

Abstract translation: 用于岩芯的超声波成像工具包括可以在选定深度插入到地质岩心样品中的钻孔中的超声发生器。 超声波接收器阵列完全放置在核心样品的外表面周围。 超声波发生器在孔内产生不同深度的超声波，并且由超声波接收器获得的数据产生核心样本的完整的3-D超声图像。

公开(公告)号：US20140197022A1

公开(公告)日：2014-07-17

申请号：US13741998

申请日：2013-01-15

Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS ,  KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY

Inventor： MOHAMED ABDELKARIM ANTAR ,  MOSTAFA HAMED ELSHARQAWY

IPC: C02F1/14

CPC classification number: C02F1/14 ,  C02F2103/08 ,  Y02A20/128 ,  Y02A20/129 ,  Y02A20/142 ,  Y02A20/212

Abstract: The solar-powered humidification-dehumidification desalination system includes a supply of saline/brackish water passing through a dehumidifier/condenser. The saline/brackish water is preheated in the dehumidifier/condenser due to the condensation process. A plurality of humidifying stages includes respective humidifiers and respective solar collectors. The solar collectors heat air, and the heated air passes through respective humidifiers to evaporate the preheated saline/brackish water, separating pure water from the brine. The humid air is reheated and recirculated through the humidifying stages and the dehumidifier, and the desalinated water from the dehumidifier via condensation is collected to and processed. The system recirculates the brine successively from each humidifier to the next for more efficient evaporation and less energy consumption.

Abstract translation: 太阳能加湿除湿脱盐系统包括通过除湿器/冷凝器的盐水/咸水的供应。 由于冷凝过程，盐水/微咸水在除湿器/冷凝器中预热。 多个加湿阶段包括各自的加湿器和各自的太阳能收集器。 太阳能收集器加热空气，加热的空气通过相应的加湿器以蒸发预热的盐水/微咸水，从盐水中分离纯净水。 潮湿空气被再加热并通过加湿段和除湿器再循环，并且从除湿器经过冷凝的脱盐水被收集并加工。 系统将盐水从每个加湿器连续循环到下一个，以实现更有效的蒸发和更少的能量消耗。

公开(公告)号：US20140190267A1

公开(公告)日：2014-07-10

申请号：US13737908

申请日：2013-01-09

Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS ,  KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY

Inventor： SAMIR MEKID ,  UTHMAN BAROUDI

IPC: G01N3/08

CPC classification number: G01L5/0038 ,  F16B31/02 ,  G01L1/16

Abstract: The fastener tension monitoring system provides for automatic notification when a structural tensile fastener, such as a bolt, is loosened. The system incorporates piezoelectric material in the core of the fastener shank or deposited around the shank. The piezoelectric material communicates electrically with an electrical storage device, a microprocessor, and a transmitter installed on the fastener head. Vibration or other changes in the tensile force developed by the fastener result in electrical impulses being generated by the piezoelectric material, generating electrical energy that is stored in the storage device and used to operate the microprocessor. In the event that an out of tolerance condition is sensed by the microprocessor, the transmitter is activated to send a signal to that effect. A receiver and computer are provided to monitor any such signals. The piezoelectric material may include pyroelectric material as well for the generation of electrical energy due to temperature changes.

Abstract translation: 紧固件张力监测系统在诸如螺栓之类的结构拉伸紧固件松动时提供自动通知。 该系统将压电材料结合在紧固件柄的芯中或者围绕柄部沉积。 压电材料与安装在紧固件头上的蓄电装置，微处理器和变送器电连通。 由紧固件产生的张力的振动或其他变化导致由压电材料产生的电脉冲，产生存储在存储装置中并用于操作微处理器的电能。 在微处理器感测到超出公差条件的情况下，发射机被激活以发送一个信号。 提供接收机和计算机来监视任何这样的信号。 压电材料可以包括热电材料以及由于温度变化而产生电能。