摘要:
The present invention provides systems and methods for quantifying, purifying and separating fullerenes, such as single wall carbon nanotubes (SWNTs). The purification/separation combination provides nearly 100% carbonaceous impurity-free SWNT content from a given impure sample and provides a desired chirality and diameter from a given non-separated sample. Nanometrological validation of the success of purification and separation uses a pyroelectric detector and Raman spectroscopy in a single system, thus providing a critical aspect for the nanomanufacturing environment. The purification/separation and nanometrological validations may be performed in a feedback loop to provide a satisfactorily refined sample and optimized purification/separation settings.
摘要:
The invention is directed to a system and method for detecting substances, such as explosives and/or drugs, using, in part, short bursts of energy light from a relatively low energy strobe. Embodiments include coupling the strobe with a detector for use in a portable hand-held unit, or a unit capable of being carried as a backpack. Embodiments further include placement of one or more stroboscopic desorption units and detectors in luggage conveyors systems, carry-on X-ray machines, and check-in counter locations. Embodiments further comprise the use of a strobe or another energy source to assist in maintaining the integrity of a SERS substrate surface operatively associated with the detector system, wherein the SERS substrate may be positioned in hand wand spaced apart from at least a portion of the detector. In another embodiment, the Raman excitation source may be located directly in the hand wand of a portable stroboscopic detection system.
摘要:
In one embodiment, a method and system is provided for detecting target materials using a combination of stroboscopic signal amplification and Raman spectroscopy techniques.
摘要:
A sensor head apparatus is configured to include a plurality of sensor ports each configured to receive and electrically interconnect with a sensor head component. The sensor head is further configured to be connectable to a housing for a multi-parameter monitoring tool assembly, wherein electrical connections are provided between the electronics for the tool assembly and any sensor head component engaged in the sensor head. Each port in the sensor head is configured to receive and engage a sensor head component through application of a linear force on the component.
摘要:
The present invention provides a tool assembly for use in field applications to monitor at least one condition in a well or other hole. The tool assembly may include a computing unit for directing operation of the tool assembly and may be sized to be operable in a hole having a diameter of 1 inch, and in some cases even smaller. In one aspect, the tool assembly is designed to significantly conserve power. Sensor readings may be taken at different schedules to conserve power when frequent readings are not required. Also, internal electronics of the tool assembly can be operated at a low voltage. In one aspect, the tool assembly is assemblable by simple rotatable engagement of the components, with electrical interconnections being made automatically by the rotatable engagement without keying of components. In another aspect, the tool assembly is networkable with other like tool assemblies and monitorable from a central location. In yet another embodiment, the tool assembly may include a tool bundle with a plurality of different sensor capabilities useful as a multi-parameter probe when tool diameter is not a big concern.
摘要:
A sensor head component is configurable as an accessory for performing various functions on other sensor head components interconnected in a sensor head of a monitoring tool assembly. Certain sensor head components may benefit from the performance of such functions as removable of debris from particular surfaces as well as calibration processes. To perform these functions, an accessory is configurable to include a body portion with a motor positioned therein. Connectable to the motor may be an accessory arm which includes at least one element connected thereto for performing the particular function. When activated, the motor manipulates the accessory arm such that the element moves within a target area and performs the particular function upon at least one of the sensor head components.
摘要:
The invention relates to an ionization chamber. More particularly, the invention relates to a mass spectrometer system having an electrospray ionization chamber incorporating an asymmetric electrode.
摘要:
The invention relates to an ionization chamber. More particularly, the invention relates to a mass spectrometry system having an ionization chamber containing an easily removable and replaceable capillary.
摘要:
The invention is directed to a system and method for detecting substances, such as explosives and/or drugs, using, in part, short bursts of energy light from a relatively low energy strobe. Embodiments include coupling the strobe with a detector for use in a portable hand-held unit, or a unit capable of being carried as a backpack. Embodiments further include placement of one or more stroboscopic desorption units and detectors in luggage conveyors systems, carry-on X-ray machines, and check-in counter locations.
摘要:
A plurality of multi-parameter monitoring tool assemblies are connectable over a communications network and are further in communication with a central controller. Each of the tool assemblies is configured to interconnect with one or more sensor head components which may be employable in the monitoring of water quality. According to the system described herein, the central controller may periodically communicate with one or more of the tool assemblies connected in the communications network and extract, process, and display information as to the configuration and operation of one or more tool assemblies.