Abstract: A method of identifying a root cause in a distributed computing environment includes traversing a plurality of nodes in a call graph starting with an end user node. Each node corresponds to an application component. A response time is calculated between connected pairs of neighboring nodes. A weight is calculated for each of a plurality of edges connecting the neighboring nodes. The nodes are traversed starting with the end user node in an order based on the weight of each of the edges. A root cause score is calculated for each node based on traversing all of the nodes in the order based on the weight of each of the edges. A ranked list is generated.

Abstract: A switch drive circuit for a fan processor is applied to a fan processor. The switch drive circuit includes multiple upper arm switch components, multiple lower arm switch components correspondingly electrically connected with the upper arm switch components, a first drive switch unit and a second drive switch unit. The upper arm switch components are driven by a first pulse width modulation signal and a second pulse width modulation signal. The first and second drive switch units serve to receive a third pulse width modulation signal and a high-frequency puke width modulation signal. The third pulse width modulation signal is switched between a voltage high-level state and a voltage low-level state to trigger and turn on the lower arm switch components.

Abstract: A hover controlling device includes a sensing unit and a hover control unit. The sensing unit includes a plurality of first electrostatic sensing elements, a plurality of first electrodes, a plurality of second electrostatic sensing elements, and a plurality of third electrodes located on a substrate. Each first electrostatic sensing element and each second electrostatic sensing element include a single walled carbon nanotube or a few-walled carbon nanotube. The resistances of the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements are changed in process of a sensed object with electrostatic near, but does not touch the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements. The hover control unit is electrically connected to the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements.

Abstract: A hover controlling device includes a sensing unit and a hover control unit. The sensing unit includes a plurality of first electrostatic sensing elements, a plurality of first electrodes, a plurality of second electrostatic sensing elements, and a plurality of third electrodes located on a substrate. Each first electrostatic sensing element and each second electrostatic sensing element include a single walled carbon nanotube or a few-walled carbon nanotube. The resistances of the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements are changed in process of a sensed object with electrostatic near, but does not touch the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements. The hover control unit is electrically connected to the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements.

Abstract: A touch and hover sensing device includes a hover sensing module is located on a first surface of a substrate, the hover sensing module includes a plurality of first electrostatic sensing elements and a plurality of second electrostatic sensing elements electrically insulated from each other. Each of the plurality of first electrostatic sensing elements and each of the plurality of second electrostatic sensing elements include a single walled carbon nanotube or few-walled carbon nanotube. A touch sensing module is located on a second surface of the substrate. The hover sensing module and the touch sensing module are connected to a control chip, the control chip controls the hover sensing module and the touch sensing module simultaneously working or working separately, to sense a position coordinate of the sensed object.

Abstract: A touch and hover sensing device includes a sensing module, a hover sensing unit, a touch sensing unit, and a switching control unit switching between a hover mode and a touch mode. The sensing module includes a plurality of first electrostatic sensing elements and a plurality of second electrostatic sensing elements electrically insulated from each other and located on a surface of an insulating substrate. The plurality of first electrostatic sensing elements is spaced from each other and extends along a first direction, and the plurality of second electrostatic sensing elements is spaced from each other and extends along a second direction. Each first electrostatic sensing element and each second electrostatic sensing element includes a single walled carbon nanotube or few-walled carbon nanotube.

Abstract: An electrostatic sensing device comprises an electrostatic sensing module and a control unit electrically connected to the electrostatic sensing module. The electrostatic sensing module comprises a first electrostatic sensing element comprising opposite ends, and two first electrodes. The two first electrodes are separately located on and electrically connected to the two opposite ends of the first electrostatic sensing element. The first electrostatic sensing element is one-dimensional semiconducting linear structure with a diameter less than 100 nanometers. The control unit electrically is configured to apply a direct voltage to the first electrostatic sensing element and measure a current/resistance of the first electrostatic sensing element.

Abstract: An electrostatic sensing device comprises an electrostatic sensing module and a control unit electrically connected to the electrostatic sensing module. The electrostatic sensing module comprises a first electrostatic sensing element comprising opposite ends, and two first electrodes. The two first electrodes are separately located on and electrically connected to the two opposite ends of the first electrostatic sensing element. The first electrostatic sensing element is a single walled carbon nanotube or a few-walled carbon nanotube. The control unit electrically is configured to apply a direct voltage to the first electrostatic sensing element and measure a current/resistance of the first electrostatic sensing element.

Abstract: An electrostatic sensing method is provided. An electrostatic sensing device comprising an electrostatic sensing module comprising a first electrostatic sensing element, and a control unit electrically connected to the electrostatic sensing module is provided. The first electrostatic sensing element is one-dimensional semiconducting linear structure. A direct voltage is applied to the first electrostatic sensing element. A sensed object with electrostatic charge is moved to the electrostatic sensing device in a distance near but not touching the first electrostatic sensing element. A resistance changed value of the first electrostatic sensing element is measured.

Abstract: A imaging device 1-D nanomaterials is provided. The device includes: a first light source, a second light source, a microscope with a liquid immersion object, and a carrier. The first light source is configured to provide a first incident light and the second light source is configured to provide a second incident light, the first incident light and the incident light are not parallel to each other. The carrier is configured to contain a 1-D nanomaterials sample and a liquid, both the 1-D nanomaterials sample and the liquid immersion object are immersed in the liquid.

Abstract: A method for imaging 1-D nanomaterials is provided. The method includes: providing a 1-D nanomaterials sample; immersing the 1-D nanomaterials sample in a liquid; illuminating the 1-D nanomaterials sample by a first incident light and a second incident light to cause resonance Rayleigh scattering, wherein the first incident light and the second incident light are not parallel to each other; and acquiring a resonance Rayleigh scattering image of the 1-D nanomaterials sample with a microscope.

Abstract: An electrometer includes a sensing module and a control module. The sensing module includes an electrostatic sensing element. The electrostatic sensing element includes two opposite ends. Each end of the electrostatic sensing element is electrically connected to the control module. When an object with electrostatic charge is near but does not touch the electrostatic sensing element, the resistance of the electrostatic sensing element can be changed. The control module electrically connect to the electrostatic sensing element, the control module measures the resistance variation ?R of the electrostatic sensing element and converts the resistance variation ?R into the static electricity potential.

Abstract: A method of operating a computer system including collecting, from the computer system, data indicative of variations in throughput and response time over a period of time, calculating processing power of the computer system over the period of time, recording a maximal power, calculating a standard deviation of the response time (RT-StdDev), recording the standard deviation of the response time corresponding to a time of the maximal power (RT-StdDevMaxPower), and generating a notification that the computer system is in a bottleneck state using a comparison of a current processing power to the maximal power and a comparison of the RT-StdDev to the RT-StdDevMaxPower.

Abstract: An electrometer includes a sensing module and a control module. The sensing module includes a plurality of electrostatic sensing elements and a plurality of second electrodes. The plurality of electrostatic sensing elements are single walled carbon nanotubes or few-walled carbon nanotubes. The plurality of electrostatic sensing elements and the plurality of second electrodes are alternately arranged in a series connection. The control module is coupled to the two ends of the series connection and configured to measure a resistance variation ?R of the series connection and convert the resistance variation ?R into a static electricity potential.

Abstract: A method for making a transparent conductive layer comprising: providing a carbon nanotube film comprising a plurality of carbon nanotubes; providing a conductive substrate and applying an insulating layer on the conductive substrate; laying the carbon nanotube film on a surface of the insulating layer, and placing the carbon nanotube film under a scanning electron microscope; adjusting the scanning electron microscope, and taking photos of the carbon nanotube film with the scanning electron microscope; obtaining a photo of the carbon nanotube film, wherein the photo shows the plurality of carbon nanotubes and a background, a plurality of first carbon nanotubes of the plurality of carbon nanotubes have lighter color than a color of the background, a plurality of second carbon nanotubes of the plurality of carbon nanotubes have deeper color than the color of the background; and removing the plurality of second carbon nanotubes.

Abstract: An electrostatic distribution measuring instrument includes a sensing module and a control module. The sensing module includes a plurality of electrostatic sensing elements electrically insulated from each other. The plurality of electrostatic sensing elements is single walled carbon nanotubes or few-walled carbon nanotubes. The control module is coupled to the sensing module and configured to measure a resistance variation ?R of the sensing module and convert the resistance variation ?R into a static electricity potential.

Abstract: A method for distinguishing semiconducting nanowires from metallic nanowires is related and including: applying nanowires on a substrate; making a metal electrode on the substrate and electrically connected to the nanowires; taking a SEM image of the nanowires and the metal electrode, wherein the SEM image comprises light segments, and each light segment corresponds to one nanowire; and comparing length of each light segment with length of corresponding one nanowire, when the first length is same as the second length, the corresponding one nanowires is a metallic nanowire; when the first length is shorter than the second length, the corresponding one nanowire is a semiconducting nanowire.

Abstract: A method for characterizing carbon nanotubes comprising: providing a conductive substrate and applying an insulating layer on the conductive substrate; forming a carbon nanotube structure on a surface of the insulating layer, the carbon nanotube structure includes at least one carbon nanotube; placing the carbon nanotube structure under a scanning electron microscope, adjusting the scanning electron microscope with an accelerating voltage ranging from 5˜20 KV, a dwelling time ranging 6˜20 microseconds and a magnification ranging from 10000˜100000 times; taking photos of the carbon nanotube structure with the scanning electron microscope; and, obtaining a photo of the carbon nanotube structure, the photo shows the at least one carbon nanotube and a background.

Abstract: A method for evaluating bandgap distributions of nanowires is provided. First, a plurality of nanowires located on a surface of a substrate is provided. Second, a metal electrode on the surface and electrically connected to the plurality of nanowires is provided. Third, a SEM image is taken on the plurality of nanowires and the metal electrode. Fourth, the bandgap distributions of the plurality of nanowires are evaluated through the SEM image.

Abstract: A method for making semiconducting layer includes: providing a carbon nanotube film; providing a conductive substrate and applying an insulating layer on the conductive substrate; laying the carbon nanotube film on a surface of the insulating layer, and placing the carbon nanotube film under a scanning electron microscope; adjusting the scanning electron microscope with an accelerating voltage ranging 5˜20 KV, and taking photos of the carbon nanotube film with the scanning electron microscope; obtaining a photo of the carbon nanotube film, wherein the photo shows the plurality of carbon nanotubes and a background, a plurality of first carbon nanotubes have lighter color than a color of the background, a plurality of second carbon nanotubes have deeper color than the color of the background; and removing the plurality of first carbon nanotubes.