Matrix-assisted laser desorption/ionization基质辅助激光解吸电离技术 (MALDI)
Matrix-assisted laser desorption/ionization基质辅助激光解吸电离技术 (MALDI)
相关考题：
Now it is clear that laser light has () applications. A.dangerousB.coherentC.mysteriousD.numerous
What is an advantage of an externally modulated laser over a directly modulated laser?() A. lower costB. higher chirpC. easier to manufactureD. higher dispersion toleranceE. higher optical signal-to-noise ratio
Why do the American doctors think of using laser light to treat heart disease?A．Beeause laser light is quite powerful．B．Because laser light is penetrating．C．Because laser light can destroy the blocking materials in human’s artery．D．Because laser light can travel through the human body．
Based on the laser operation treatment of three patients。what can we infer from the passage?A．Laser light treatment is safe and effective．B．Laser light treatment is dangerous and ineffectiveC．Laser light treatment still requires much more studies．D．Government should encourage doctors to do research of laser light treatment on the human body．
What’S the main idea of the passage7A．Laser light treatment of heart disease should take the place of the traditional operatlon．B．Laser light treatment has been proved better and more effective than the traditional operation．C．More advanced technology should be encouraged to try on．D．Laser light treatment of heart disease still needs’more research．
A laser printer displays ‘perform user maintenance’. The manufacturer’s information was not available when the user performed the maintenance, and the laser printer continues to display the maintenance code. Which of the following items needs to be performed?（）A、The printer needs to be sent to the manufacturer for maintenance.B、The printer’s firmware needs to be updated.C、A printer system reset must be performed.D、The maintenance page counter must be reset.
关于激光的英文"laser"，以下哪一项是正确的（）。A、lightactivationbystimulationemanationofradiationB、luminantamplimeterbystimulationemissionofradiationC、lightactivationbystrongemissionofradiationD、luminantactivationbeforestrongemissionofradiationE、lightamplificationbystimulationemissionofradiation
What is an advantage of an externally modulated laser over a directly modulated laser?（）A、lower costB、higher chirpC、easier to manufactureD、higher dispersion toleranceE、higher optical signal-to-noise ratio
Which of the following printers prints multi-part forms at once？ （）A、ink jetB、thermalC、impactD、laser
An encoder sensor typically detects：（）A、paper position.B、shaft rotation.C、magnetic flux.D、laser beam strength.
A laser printer is sent for repair and the work order indicates that there is an image printing problem. Which of the following should a technician do FIRST to confirm this problem？（）A、Run the calibration feature on the laser printer.B、Run a self-test image page from the printer.C、Clean the corona wire and return printer.D、Print a test page from a computer.
Which of the following item colorizes the paper using a two-component laser printer？ （）A、tonerB、laser beamC、developerD、ribbon
A shipping department is reporting that a laser printer in the receiving area is becoming jammed because the printer attempts to pull several sheets of paper for each print. Which of the following may be the cause？（）A、Humidity is causing the paper to stick together.B、The paper is sticking to the corona wire and causing the jam.C、A4 paper is being used and may not be supported by laser printers.D、The fusion roller is dirty and pulling too many sheets of paper.
单选题On a Windows 2000 Professional computer， you run a shipping application that prints packing labels to a laser printer for every outgoing shipment， 24 hours per day. During peak hours， your company ships more than 1，000 packages per hour. You have just purchased a second identical laser printer to aid in printing. You want to configure the printers so that the jobs are load balanced. You connect the second laser printer to the computer. What must you do next？ （）AEnable bi-directional support.BEnable printer pooling.CConfigure print spooling.DConfigure print sharing.
单选题What is an advantage of an externally modulated laser over a directly modulated laser?（）Alower costBhigher chirpCeasier to manufactureDhigher dispersion toleranceEhigher optical signal-to-noise ratio
单选题The best title of the text might be ______.AThe Laser: A Scientific Technological WonderBThe Laser: A Powerful Tool for CommunicationsCThe Laser: A Solution to Life-Saving ProblemsDThe Laser: A Multimillion Dollar Invention
单选题Which of the following network media types uses laser light to carry the information?（）AIEEE 1394BSTPCRG-6DFiber
单选题Which of the following item colorizes the paper using a two-component laser printer？ （）AtonerBlaser beamCdeveloperDribbon
单选题What is an advantage of an externally modulated laser over a directly modulated laser？ （）A lower costB higher chirpC easier to manufactureD higher dispersion toleranceE higher optical signal-to-noise ratio
单选题According to the text, the laser can ______.Astandardize telephone cablesBremove communications jamsCimprove the quality of human voicesDincrease the capacity of communications
名词解释题聚焦扫描激光显微镜（confocal scanning laser microscope，CSLM）