Abstract: The present invention is related to a water-based binder composition and its application in water-based printing ink. The binder composition comprises a waterborne poly(meth)acrylate emulsion and a polyurethane. Such composition provides excellent alcohol tolerance, bond strength and resolubility.

Abstract: Described herein is a waterborne emulsion, a method for making the waterborne emulsion, and an application of the waterborne emulsion as a binder for inks. The waterborne emulsion includes an acidic polymer stabilizer and a base polymer. The ink made using the waterborne emulsion shows excellent alcohol tolerance and wet wrinkle resistance.

Abstract: Provided herein are compositions comprising: (a) a polymeric catechol binder, such as: polymeric dopamine, polymeric norepinephrine, polymeric epinephrine; polymeric pyrogallol, polymeric tannic acid, polymeric hydroxyhydroquinone, polymeric catechin, polymeric epigallocatechin etc.; and (b) a hydrophilic polymer, methods for using the compositions to coat a substrate, and methods for making the compositions. In particular, the substrate may form part of an apparatus on which it would be beneficial to limit biofouling and/or protein binding.

Abstract: Provided herein are compositions comprising: (a) a polymeric catechol binder, such as: polymeric dopamine, polymeric norepinephrine, polymeric epinephrine; polymeric pyrogallol, polymeric tannic acid, polymeric hydroxyhydroquinone, polymeric catechin, polymeric epigallocatechin etc.; and (b) a hydrophilic polymer, methods for using the compositions to coat a substrate, and methods for making the compositions. In particular, the substrate may form part of an apparatus on which it would be beneficial to limit biofouling and/or protein binding.

Abstract: The present invention provides a ball placement structure and a preparation process thereof. The ball placement structure includes a substrate, a conductive layer, a passivation layer, a seed layer, and a metal layer which are stacked in sequence, wherein a plurality of solder balls is respectively placed onto the metal layer, and a retaining wall is disposed between any adjacent solder balls, and is configured to prevent bridging between the solder balls.

Abstract: The present disclosure relates to a method for early kick detection in a drilling system with a drilling fluid loop, comprising: collecting flow-in rate and flow-out rate of a drilling fluid; calibrating the flow-out rate to obtain a calibrated flow-out rate of the drilling fluid; determining a flow rate difference between the flow-in rate and the calibrated flow-out rate of the drilling fluid; and identifying the kicks based on the flow rate difference. The present disclosure also relates to an apparatus for early kick detection in a drilling system with a drilling fluid loop.

Abstract: An ultrasonic flow meter system includes a conduit defining a channel, at least one pair of first transducers, at least one second transducer, and a processor. The pair of first transducers is mounted on the conduit and includes a transmitting transducer and a receiving transducer for generating a first responsive signal. The transmitting transducer and the receiving transducer are arranged on a chordal path. The second transducer is mounted on the conduit for generating a second responsive signal. The processor is configured to receive the first responsive signal and the second responsive signal, select one responsive signal according to a relationship of the first responsive signal and noise thereof and a relationship of the second responsive signal and noise thereof, and determine a flow rate of a flow medium according to the selected responsive signal. A method for measuring the flow rate of the fluid medium is also provided.

Abstract: A measurement method comprising: transmitting a plurality of ultrasonic signals to the fluid to be measured; receiving an return signal reflected or scattered from the particles in the fluid under test; calculating a one or more calculated values of the R parameter associated with the particle properties based on the return signal; determining the theoretical curve of the R parameter associated with the particle properties; and determining the mean diameter of the particles in the fluid based on the one or more calculated values of the R parameter and the theoretical curve of the R parameter; determining the mass concentration of the particles in the fluid according to the mean diameter of the particles. Embodiments also provide a measurement system for measuring the mean diameter and mass concentration of the particles.

Abstract: A sensing sub-assembly for use with a drilling assembly that includes a cylindrical body including an internal flow channel extending therethrough. The internal flow channel is configured to channel a first fluid therethrough. A recessed cavity is also defined therein. The recessed cavity is coupled in flow communication with an ambient environment exterior of the cylindrical body, and a second fluid flows within the ambient environment. The recessed cavity is configured to receive a continuous stream of the second fluid therethrough. At least one sensor is coupled to the cylindrical body, and the at least one sensor is configured to determine characteristics of the second fluid in the continuous stream that flows through the recessed cavity.

Abstract: A system and method for calculation of flow rate comprising at least two ultrasonic sensors, ultrasonic transmit receive device, and signal processing device. At least two ultrasonic sensors are installed on the pipe where the fluid is flowing through, and at least two ultrasonic sensors contain different ultrasonic beam paths, further, the ultrasonic beam paths of at least two ultrasonic sensors contain the overlap area. The ultrasonic transmit and receive device is used to actuate at least two ultrasonic sensors, and is used to transmit one or multiple ultrasonic signals to pipes via one or multiple of at least two ultrasonic sensors, further, to receive ultrasonic signal via at least two ultrasonic sensors. The signal processing device is used to process the ultrasonic signal received, further, to calculate the flow rate of the fluid precisely.

Abstract: A riser joint system, comprising: a riser joint assembly defining a channel and comprising a first ultrasound module for transmitting a first ultrasound signal to obtain first ultrasound data and a second ultrasound module for transmitting a second ultrasound signal to obtain second ultrasound data, wherein a beam direction of the first ultrasound signal is perpendicular to an axial line of the channel and a beam direction of the second ultrasound signal is oblique to the axial line of the channel; and a processing module for receiving the first ultrasound data and the second ultrasound data and obtaining first information and second information. A well drilling system and a method for the well drilling system are also described.

Abstract: The invention provides compounds of formula (I): and salts thereof, wherein R1, R2, R3, B, X, Y, and Z have any of the values defined herein. The invention also provides pharmaceutical compositions comprising a compound of formula (I) or a pharmaceutically acceptable salt thereof, processes for preparing compounds of formula (I) and salts thereof, intermediates useful for preparing compounds of formula (I) and salts thereof, and therapeutic methods for treating cancer using a compound of formula (I) or a pharmaceutically acceptable salt thereof.

Abstract: A kick detection system for drilling a well including an ultrasonic module for transmitting signals to a returning drilling fluid from the well, and receiving corresponding backscatter signals; and a process apparatus for obtaining a flow characteristic of the returning drilling fluid based on the backscatter signals, and detecting a kick based on the flow characteristic of the returning drilling fluid and drilling related data. A well drilling system including a drilling string for guiding a drilling bit and a drilling fluid to a well; a conduit defining a channel for accommodating the drilling string and a returning drilling fluid from the well; and the kick detection system. A kick detection method is also described.

Abstract: Provided herein are compositions comprising: (a) a polymeric catechol binder, such as: polymeric dopamine, polymeric norepinephrine, polymeric epinephrine; polymeric pyrogallol, polymeric tannic acid, polymeric hydroxyhydroquinone, polymeric catechin, polymeric epigallocatechin etc.; and (b) a hydrophilic polymer, methods for using the compositions to coat a substrate, and methods for making the compositions. In particular, the substrate may form part of an apparatus on which it would be beneficial to limit biofouling and/or protein binding.

Abstract: A measurement method comprising: transmitting a plurality of ultrasonic signals to the fluid to be measured; receiving an return signal reflected or scattered from the particles in the fluid under test; calculating a one or more calculated values of the R parameter associated with the particle properties based on the return signal; determining the theoretical curve of the R parameter associated with the particle properties; and determining the mean diameter of the particles in the fluid based on the one or more calculated values of the R parameter and the theoretical curve of the R parameter; determining the mass concentration of the particles in the fluid according to the mean diameter of the particles. Embodiments also provide a measurement system for measuring the mean diameter and mass concentration of the particles.

Abstract: A system and method for calculation of flow rate comprising at least two ultrasonic sensors, ultrasonic transmit receive device, and signal processing device. At least two ultrasonic sensors are installed on the pipe where the fluid is flowing through, and at least two ultrasonic sensors contain different ultrasonic beam paths, further, the ultrasonic beam paths of at least two ultrasonic sensors contain the overlap area. The ultrasonic transmit and receive device is used to actuate at least two ultrasonic sensors, and is used to transmit one or multiple ultrasonic signals to pipes via one or multiple of at least two ultrasonic sensors, further, to receive ultrasonic signal via at least two ultrasonic sensors. The signal processing device is used to process the ultrasonic signal received, further, to calculate the flow rate of the fluid precisely.

Abstract: A method of measuring a flow rate of a fluid flowing in a space between an outer conduit and an inner element in the outer conduit is provided. Ultrasonic waves are transmitted and received through the space between multiple pairs of ultrasonic transducers along multiple propagation paths, respectively. A mean line velocity of the fluid is calculated based on data from each pair of ultrasonic transducers. As such, multiple mean line velocities across the space are obtained. The flow rate of the fluid is calculated based on the multiple mean line velocities.

Abstract: An ultrasonic flow meter system includes a conduit defining a channel, at least one pair of first transducers, at least one second transducer, and a processor. The pair of first transducers is mounted on the conduit and includes a transmitting transducer and a receiving transducer for generating a first responsive signal. The transmitting transducer and the receiving transducer are arranged on a chordal path. The second transducer is mounted on the conduit for generating a second responsive signal. The processor is configured to receive the first responsive signal and the second responsive signal, select one responsive signal according to a relationship of the first responsive signal and noise thereof and a relationship of the second responsive signal and noise thereof, and determine a flow rate of a flow medium according to the selected responsive signal. A method for measuring the flow rate of the fluid medium is also provided.

Abstract: An ultrasonic device includes a fluid conduit configured to couple with one or more pipes and an ultrasonic transducer mounted on the conduit. The conduit includes a main body defining a flow channel and a thermal barrier coupled to the main body. The thermal barrier includes an organic polymeric material and is configured to thermally isolate the ultrasonic transducer from the flow channel.