35results about How to "Sensitive and reliable detection" patented technology

Early detection of tumors is a major determinant of survival of patients suffering from tumors, including bladder tumors. Members of the BTM or UBTM family can be highly and consistently accumulated in bladder tumor tissue and other tumor tissue, and / or can be accumulated in urine of patients, and thus are markers for bladder and other types of cancer. In certain embodiments, BTMs or UBTMs can accumulate in the urine, and detection of UBTM family members can be an effective diagnostic approach. In some embodiments, quantitative PCR methods have advantages over microarray methods. In other embodiments, detection and quantification of a plurality of BTMs or UBTMs can increase the sensitivity and specificity of detection of bladder cancer, and therefore provides methods for determining the stage and type of bladder cancer. Kits provide easy, convenient ways for carrying out the methods of this invention.

The invention discloses a device for measuring PM 2.5 of specific places. The device for measuring the PM 2.5 of the specific places is characterized in that the device for measuring the PM 2.5 of the specific places comprises a measuring container, two metal material dust collection plates are arranged on the inner wall of the measuring container in a parallel mode, the two dust collection pates are connected to the two ends of a measuring power source in parallel to enable the two dust collection plates to form a positive electrode and a negative electrode, an air inlet channel is further formed in the middle of one end of the measuring container, and an air outlet channel is formed in the other end of the measuring container; an ionization electrode is further arranged on the portion, located at the entrance of the air inlet channel, in the measuring container, and the ionization electrode and an ionization power source are connected to be used for ionizing intake air. The invention further discloses a method for measuring the PM 2.5 of the specific places. The method for measuring the PM 2.5 of the specific places adopts the device for measuring the PM 2.5 of the specific places to achieve detection. The device and method for measuring the PM 2.5 of the specific places have the advantages of being simple in structure, convenient to operate, low in cost and sensitive and stable in detection.

The invention discloses a method for giving an alarm on the out-of-limit concentration of inhalable particulate matter (PM) in the air. The method is characterized by comprising the steps of collecting quantitative air to be detected, and enabling the collected air to pass through an elastic filter membrane, wherein the filter membrane is capable of collecting PM2.5 of the sample air, a light conductive sheet is adhered to the central position of the lower part of the elastic filter membrane, and the filter membrane arranged along the transverse direction deforms downwards under the action of gravity in the PM2.5 collection process; arranging two metal plates at certain height under the filter membrane, wherein the distance between the metal plates is slightly smaller than the width of the metal sheet; enabling one ends of the two metal plates to be respectively connected into an alarm circuit; and after the filter membrane is in contact with the metal plates, alarming to indicate that the content of PM 2.5 in the air to be detected exceeds the standard. After the method is adopted, alarming is carried out when the concentration of inhalable PM in the air in a room exceeds the limiting value under the condition of daily standard; furthermore, the method has the advantages of being simple in implementation, low in cost, sensitive and reliable in detection, etc.

In one aspect, the present invention features methods for detecting at least one neurological disorder in a patient, the method comprising obtaining a biological sample from the patient; and detecting at least one aberrant human glutamate transporter 2 (EAAT 2) mRNA in the sample as being indicative of the neurological disorder in the patient. In a particular aspect, the invention is useful for detecting amyotrophic lateral sclerosis (ALS) in the patient.

The invention relates to a built-in storage tank base plate corrosion acoustic-emission detection device. The storage tank base plate corrosion acoustic-emission detection device comprises a motor, a take-up spooler, a straightening machine, an oil removing mechanism, an acoustic-emission sensor and a depth meter, wherein the motor is connected with driving rollers through a speed reducing mechanism, the oil removing mechanism is fixed under a support and is located under the driving rollers, the driving rollers are installed at the lower portion of the straightening machine, the take-up spooler is arranged on the side of the straightening machine, a signal cable sheathed by an aluminum plastic pipe is wound around a take-up roller of the take-up spooler, and the starting end of the signal cable is connected with an acquisition card, the aluminum plastic pipe bypasses a guide wheel of the straightening machine, then penetrates through the position between straightening rollers of the straightening machine and further penetrates through the position between the driving rollers to stretch out of the oil removing mechanism. The tail end of the signal cable is connected with the acoustic-emission sensor located in a sensor box through a two-way elbow connected to the aluminum plastic pipe, and the other side of the two-way elbow is connected with the depth meter. The problems of weak acoustic-emission signals and missed detection easily occurred at the central region of a storage tank are solved by means of the built-in storage tank base plate corrosion acoustic-emission detection device.

The invention discloses kitchen electrical equipment and a control method thereof. The kitchen electrical equipment comprises a body, a control device and a detection device. The detection device comprises a pressure detection device arranged on the body, the control device is connected with the pressure detection device, and the control device is used for controlling the body according to the detection information sent by the pressure detection device. Compared with the traditional equipment, the detection of the pressure detection device in the kitchen electrical equipment is more reliable and sensitive, the required stroke is shorter, the structure is simpler to achieve, and the user experience is better, thereby solving the problem that the voice control in the existing kitchen electrical equipment is easy to fail, ensuring the normal use of the kitchen electrical equipment, and improving the use experience of the user.

A gradual fault diagnosis and life prediction method of an uncertain sophisticated circuit system is provided. The method comprises the following steps: S1, performing modeling on the uncertain sophisticated circuit system, to obtain an uncertainty global diagnosis sophisticated bond graph model; S2, obtaining augmented global analytical redundancy relations AGARRs, obtaining a global adaptive threshold by using the augmented global analytical redundancy relations AGARRs, and performing fault detection on the sophisticated circuit system when a parameter is uncertain; S3, analyzing structuralcharacteristics of the augmented global analytical redundancy relations AGARRs, to provide a global fault characteristic matrix of the system, to isolate a possible fault on this basis; and S4, approaching the gradual fault by using a degradation model of a time-varying attenuation rate, estimating a fault value and a fault occurrence time by using an enhanced expansion Kalman filtering algorithm,calculating a gradual degradation model coefficient, and predicting a remaining useful life of a fault element. The foregoing method can be used to implement fault diagnosis and remaining useful lifeprediction.

The invention discloses a test device and a test method for an infrared remote controller. The test device of the infrared remote controller comprises a machine body, a clicking part for simulating abutton that presses the infrared remote controller, a testing clamp for positioning the infrared remote control, an infrared signal receiving part for receiving the infrared signals sent by the infrared remote controller, a central control processing unit for controlling the clicking part to work and processing infrared signals received by an infrared signal receiver, and a display device for displaying the test results. The clicking part and the testing clamp are mounted on the machine body. The infrared signal receiving part is connected to the central control processing unit. And the display device is connected to the central control processing unit. The device further comprises a signal sampling circuit, and the clicking part and the central control processing unit are electrically connected to the signal sampling circuit. According to the test device and the test method for the infrared remote controller, the test device can test the infrared remote controller automatically.

The invention relates to a side-mounted type magnetic induction liquid level switch, which comprises an output lead, a threaded connector, a transitional part, a non-magnetic stainless steel tube, a dry reed pipe, a hollow magnetic floater and a catch, wherein, the transitional part is arranged at one side of a box body, and the threaded connector is arranged on the transitional part; one end of the non-magnetic stainless steel tube is connected with the threaded connector, and the other end of the non-magnetic stainless steel tube is provided with the catch; the dry reed pipe is arranged in the non-magnetic stainless steel tube; and the hollow magnetic floater is sleeved outside the hollow magnetic floater, and the specific gravity of the hollow magnetic floater is less than that of liquid. The switch solves technical problems that the prior liquid level switch has large volume, complicated structure, difficult connection, each leakage, and bad detection reliability, has the advantages of simple structure, small volume, low energy consumption, safety and sensitive and reliable detection, and can be widely applied to the liquid level measurement of corrosive liquid and combustible liquid such as oil and so on.

The invention discloses a humidity detection device designed based on an IP65 waterproof grade, wherein the humidity detection device includes a humidity detection device body; a circuit board for mounting a humidity detection circuit is arranged inside the humidity detection device body, and the humidity detection device body is divided into a power supply mounting region and a humidity detection circuit mounting region through a partition plate along the height direction; the outer side wall of the power supply mounting region of the humidity detection device body is provided with a switch mounting position, the outer side wall of the humidity detection circuit mounting region of the humidity detection device body is provided with a sensor mounting position, and the top wall of the humidity detection circuit mounting region of the humidity detection device body is provided with an indication light mounting position; a heat dissipation component mounting position is arranged below the circuit board and is provided with an integrated heat dissipation assembly; an outer panel of the humidity detection device body is provided with a waterproof coating layer, the humidity detection circuit is encapsulated and integrated by a waterproof case body, and real-time broadcast is carried out by a light display mode.

The invention discloses equipment with a door body and a control method of the equipment. The control method comprises the steps that a control device obtains states of multiple signal receivers; thecontrol device generates control instructions according to the states of the multiple signal receiving ends; the control device controls a body according to the control instructions. A dish washing machine is internally provided with multiple signal transmitters and multiple signal receivers, so that detection is more reliable and flexible, misoperation is avoided, and the use experience of a useris improved.

The invention discloses a kitchen appliance device and a control method thereof. The kitchen appliance device comprises a body, a control device, and a detection device. The detection device comprisesan image acquisition device arranged on the body. The control device is connected to the image acquisition device, and is used for controlling the body according to the image information acquired bythe image acquisition device. Compared with the traditional device, the detection of the image acquisition device in the kitchen appliance is more reliable, sensitive, and intuitive; thereby solving the problem that the voice control in the existing kitchen appliance is prone to failure; ensuring the normal use of the kitchen appliance; and improving the user experience.

Early detection of tumors is a major determinant of survival of patients suffering from tumors, suffering from these cancers, including bladder tumors. Genetic markers can be highly and consistently accumulated in bladder tumor tissue, other tumor tissue, and / or in urine of patients having bladder cancer. Detection of these markers can be an effective diagnostic tool to guide therapy. Detection and quantification of a plurality of bladder tumor markers using polymerase chain reaction methods can increase the sensitivity and specificity of detection of bladder cancer, provide methods for determining the stage and type of bladder cancer, and provide specific methods for treatment.

The invention discloses an off-limit alarm device for the concentration of inhalable particulate matter in air. The off-limit alarm device for the concentration of the inhalable particulate matter in air comprises an alarm circuit with an alarm apparatus. The alarm circuit is provided with two switching-in ends for controlling on-off of a control circuit. The off-limit alarm device for the concentration of the inhalable particulate matter in air is characterized by comprising a containing body, wherein a third switch fan blade is arranged in the containing body and divides the inner cavity of the containing body into an upper air inlet chamber and a lower detection chamber, an air inlet channel is formed in the side wall of one side of the air inlet chamber, a second switch fan blade is arranged on the side wall of the other side of the air inlet chamber, and a first filter film is arranged in the air inlet channel; a second filter film, a third filter film, a metal plate and a fourth switch fan blade are arranged in the detection chamber from top to bottom in sequence at intervals; the two switching-in ends of the alarm circuit are each electrically connected with the third filter film and the metal plate. According to the off-limit alarm device for the concentration of the inhalable particulate matter in air, an alarm can be given when the inhalable particulate matter concentration in indoor air exceeds a limit value under a common standard; meanwhile, the off-limit alarm device for the concentration of the inhalable particulate matter in air has the advantages of being simple in structure, low in cost, sensitive and reliable in detection and the like.

The invention discloses kitchen electrical equipment and a control method thereof. The kitchen electrical equipment comprises a body, a control device and a detection device. The detection device comprises a pressure detection device arranged on the body, the control device is connected with the pressure detection device, and the control device is used for controlling the body according to the detection information sent by the pressure detection device. Compared with the traditional equipment, the detection of the pressure detection device in the kitchen electrical equipment is more reliable and sensitive, the required stroke is shorter, the structure is simpler to achieve, and the user experience is better, thereby solving the problem that the voice control in the existing kitchen electrical equipment is easy to fail, ensuring the normal use of the kitchen electrical equipment, and improving the use experience of the user.

The invention relates to a side-mounted suspended magnetic induction liquid level switch, wherein a liquid level switch is arranged at the position of a through hole at the side of a box body and comprises a transition part, a threaded connecting head, a stainless steel pipe, a dry reed pipe, an output lead, a horizontal shaft, a stainless steel rod, a floater and a weight. The invention solves the technical problems of large size, complicated structure, difficult connection, easy occurrence of leakage and poor detecting reliability of a traditional liquid level switch. The side-mounted suspended magnetic induction liquid level switch has the advantages of simple installation, convenient wire connection, high switch reliability, long service life, high sensitivity and low energy consumption.

The invention discloses a calculator full-automatic testing machine and a testing method. The calculator full-automatic testing machine comprises a machine body, a clicking part which is used for pressing keys of each calculator according to a calculation formula preset by a user; a test fixture which is used for positioning the calculator; an image detection part which is used for acquiring a calculation result displayed on a display screen of each calculator through shooting; a central control processing unit which is used for controlling the click part to work and comparing a calculation result obtained by the image detection part with a reference calculation result; a display device which is used for displaying a comparison result; and also comprises a signal sampling circuit, whereinthe click part is installed on the machine body, the test clamp is installed on the machine body, the image detection part is connected with the central control processing unit, and the display deviceis connected with the central control processing unit. The calculator full-automatic testing machine disclosed by the invention can be used for accurately and quickly testing the calculator.

The invention discloses a full-automatic test machine and a test method for a display panel. The test machine comprises a machine body, a test clamp for positioning the display panel, an image detecting part for obtaining contents displayed on a display screen of each display panel by photographing, a central control processing unit for inputting display instructions to the display panel and comparing the contents obtained by the image detecting part with the reference contents, and a display device for displaying the comparison results. The test clamp is mounted on the machine body; the imagedetecting part is connected to the central control processing unit; and the display device is connected to the central control processing unit. The full-automatic test machine for the display panel further comprises a signal sampling circuit, and the image detecting part is electrically connected to the central control processing unit through the signal sampling circuit. According to the full-automatic test machine and the test method for the display panel, the test machine can test the display panel automatically; the full-automatic test machine for the display panel can detect the display panel sensitively and reliably, through the signal sampling circuit; and the accuracy of the display is high.

The invention discloses a device for measuring PM 2.5 of specific places. The device for measuring the PM 2.5 of the specific places is characterized in that the device for measuring the PM 2.5 of the specific places comprises a measuring container, two metal material dust collection plates are arranged on the inner wall of the measuring container in a parallel mode, the two dust collection pates are connected to the two ends of a measuring power source in parallel to enable the two dust collection plates to form a positive electrode and a negative electrode, an air inlet channel is further formed in the middle of one end of the measuring container, and an air outlet channel is formed in the other end of the measuring container; an ionization electrode is further arranged on the portion, located at the entrance of the air inlet channel, in the measuring container, and the ionization electrode and an ionization power source are connected to be used for ionizing intake air. The invention further discloses a method for measuring the PM 2.5 of the specific places. The method for measuring the PM 2.5 of the specific places adopts the device for measuring the PM 2.5 of the specific places to achieve detection. The device and method for measuring the PM 2.5 of the specific places have the advantages of being simple in structure, convenient to operate, low in cost and sensitive and stable in detection.

Early detection of tumors is a major determinant of survival of patients suffering from tumors, including bladder tumors. Members of the BTM or UBTM family can be highly and consistently accumulated in bladder tumor tissue and other tumor tissue, and / or can be accumulated in urine of patients, and thus are markers for bladder and other types of cancer. In certain embodiments, BTMs or UBTMs can accumulate in the urine, and detection of UBTM family members can be an effective diagnostic approach. In some embodiments, quantitative PCR methods have advantages over microarray methods. In other embodiments, detection and quantification of a plurality of BTMs or UBTMs can increase the sensitivity and specificity of detection of bladder cancer, and therefore provides methods for determining the stage and type of bladder cancer. Kits provide easy, convenient ways for carrying out the methods of this invention.

The invention discloses a marker molecule CHL1 for low oxygen, and an application thereof, and belongs to the technical field of biomedical materials. The marker molecule is a cell adhesion molecule CHLl, and the protein sequence of the marker molecule is shown as SEQ ID No. 1 or SEQ ID No. 2. The CHL1 can be used as the marker molecule for the low oxygen. An antibody and an enzyme-labeled second antibody which are prepared by the marker molecule by an immunological method can detect whether an animal or person is in the low oxygen state or not by using an enzyme-linked immunoassay method, with reliable detection sensitivity.

The invention discloses a method for giving an alarm on the out-of-limit concentration of inhalable particulate matter (PM) in the air. The method is characterized by comprising the steps of collecting quantitative air to be detected, and enabling the collected air to pass through an elastic filter membrane, wherein the filter membrane is capable of collecting PM2.5 of the sample air, a light conductive sheet is adhered to the central position of the lower part of the elastic filter membrane, and the filter membrane arranged along the transverse direction deforms downwards under the action of gravity in the PM2.5 collection process; arranging two metal plates at certain height under the filter membrane, wherein the distance between the metal plates is slightly smaller than the width of the metal sheet; enabling one ends of the two metal plates to be respectively connected into an alarm circuit; and after the filter membrane is in contact with the metal plates, alarming to indicate that the content of PM 2.5 in the air to be detected exceeds the standard. After the method is adopted, alarming is carried out when the concentration of inhalable PM in the air in a room exceeds the limiting value under the condition of daily standard; furthermore, the method has the advantages of being simple in implementation, low in cost, sensitive and reliable in detection, etc.

A device for identifying contact with an electrical conductor by at least one electrically conductive tool (2ra, 2rb). The device comprises a tool holder (Ir) rotationally mounted about a rotation axis (X), and the tool (2ra, 2rb) arranged on the tool holder. The device additionally comprises an electrically conductive body (ECB) and a rotor-side inductive element (L1) arranged on the electrically conductive body (Ir). A parallel resonant circuit comprises at least one rotor-side circuit element (A), at least one stator-side circuit element (B), a stationary circuit arrangement (28) and a stator-side inductive element (L2). The rotor-side inductive element and the stator-side inductive element are arranged to measure characteristic oscillation parameters (φ, Am, f) of the parallel resonant circuit independently of the rotation speed of the tool holder (Ir). An insulation-stripping machine and a method for identifying contact with an electrical conductor by at least one electrically conductive tool as disclosed.

The invention discloses a detection circuit designed on basis of a Pi-shaped LC filter. The detection circuit comprises a transformer T, a rectifier circuit, a filter circuit and a humidity detection processing circuit, a capacitor C6, an inductor L and a capacitor C7 are arranged in the filter circuit, a first end of the capacitor C6 is connected with a first end of the inductor L and one end of a direct-current output end of the rectifier circuit respectively, a second end of the inductor L is connected with the humidity detection processing circuit and a first end of the capacitor C7 respectively, a second end of the capacitor C7 is connected with a second end of the capacitor C6 and connected with another end of the direct-current output end of the rectifier circuit, the second end of the capacitor C7 is connected with the humidity detection processing circuit, and a switch circuit, a voltage stabilizing circuit, a time-based oscillating circuit and a sensor circuit are arranged in the humidity detection processing circuit. The Pi-shaped LC filter is adopted for filtering, ripple wave content of a power source provided to the humidity detection processing circuit is lowered effectively, and safe and stable working of the humidity detection processing circuit is guaranteed.