Abstract: A Michelson interference optical fiber temperature sensor for detecting fringe contrast change is provided. It includes a light source, an optical fiber coupler connected to a first optical fiber and a second optical fiber, a coarse wavelength division multiplexer, a first photodetector, a second photodetector, a display device, and a processing circuit connected to the display device. The light source, optical fiber coupler and coarse wavelength division multiplexer are connected sequentially in that order. The coarse wavelength division multiplexer is connected to the first photodetector and the second photodetector individually. The first photodetector and the second photodetector are connected to the processing circuit. An end of the first optical fiber or the second optical fiber facing away from the optical fiber coupler is connected to a semiconductor. It has advantages of simple and fast manufacturing process, safe and reliable sensor, stable signal, low cost, high sensitivity and high precision.

Abstract: A Michelson interference optical fiber temperature sensor for detecting fringe contrast change is provided. It includes a light source, an optical fiber coupler connected to a first optical fiber and a second optical fiber, a coarse wavelength division multiplexer, a first photodetector, a second photodetector, a display device, and a processing circuit connected to the display device. The light source, optical fiber coupler and coarse wavelength division multiplexer are connected sequentially in that order. The coarse wavelength division multiplexer is connected to the first photodetector and the second photodetector individually. The first photodetector and the second photodetector are connected to the processing circuit. An end of the first optical fiber or the second optical fiber facing away from the optical fiber coupler is connected to a semiconductor. It has advantages of simple and fast manufacturing process, safe and reliable sensor, stable signal, low cost, high sensitivity and high precision.

Abstract: The present disclosure relates to an exemplary aerosol generating device for heating a tobacco block. The aerosol generating device includes a shell, a mouthpiece assembly at an end of the shell, and an atomizing assembly received in the shell. The atomizing assembly includes a hollow heating body configured for inserting into the tobacco block. The heating body includes an inner surface and an outer surface for heating the tobacco block.

Abstract: An electronic cigarette includes an atomizer and a battery pack. A pluggable connecting means is provided between the atomizer and the battery pack. The pluggable connecting means is designed as an elastic snap connection or a detachable clip means so that the atomizer and the battery pack can be connected together pluggably to prevent the threaded connection.

Abstract: An exemplary atomizer includes a liquid supply and an atomizing assembly. The liquid supply is configured for storing tobacco liquid, and has an open end. The atomizing assembly is detachably connected to the open end. The atomizing assembly includes an atomizing cavity and an atomizing unit. The atomizing unit is configured for heating the tobacco liquid to form aerosol. The atomizing assembly includes a connector configured for connecting with the liquid supply. The connector defines a liquid inlet. The open end is provided with a sealing component having a liquid outlet. The connector is engaged in the open end. The liquid supply further includes a rotation component abutting against the sealing component. The connector is capable of driving the rotation component to rotate between a first position where the rotation component blocks the liquid outlet, and a second position where the liquid outlet communicates with the liquid inlet.

Abstract: An exemplary atomizer includes a liquid supply and an atomizing assembly. The liquid supply is configured for storing tobacco liquid, and has an open end. The atomizing assembly is detachably connected to the open end. The atomizing assembly includes an atomizing cavity and an atomizing unit. The atomizing unit is configured for heating the tobacco liquid to form aerosol. The atomizing assembly includes a connector configured for connecting with the liquid supply. The connector defines a liquid inlet. The open end is provided with a sealing component having a liquid outlet. The connector is engaged in the open end. The liquid supply further includes a rotation component abutting against the sealing component. The connector is capable of driving the rotation component to rotate between a first position where the rotation component blocks the liquid outlet, and a second position where the liquid outlet communicates with the liquid inlet.

Abstract: The present disclosure relates to an exemplary aerosol generating device for heating a tobacco block. The aerosol generating device includes a shell, a mouthpiece assembly at an end of the shell, and an atomizing assembly received in the shell. The atomizing assembly includes a hollow heating body configured for inserting into the tobacco block. The heating body includes an inner surface and an outer surface for heating the tobacco block.

Abstract: An electronic cigarette includes an atomizer and a battery pack. A pluggable connecting means is provided between the atomizer and the battery pack. The pluggable connecting means is designed as an elastic snap connection or a detachable clip means so that the atomizer and the battery pack can be connected together pluggably to prevent the threaded connection.

Abstract: An electronic cigarette includes an atomizing device and a power pole, the atomizing device includes a first connecting assembly, and the power pole includes a second connecting assembly. The first connecting assembly includes a pair of first electrodes and at least one lapping portion. The second connecting assembly includes a pair of second electrodes and a cavity with at least one adapting portion formed therein and a guiding surface formed adjacent to the at least one adapting portion. The at least one lapping portion is capable of inserting into the cavity from the guiding surface and rotatable in the cavity until abuts the at least one adapting portion, whereby the first electrodes are in contact with and thus electrically connected to the respective second electrodes. An atomizing device, a power pole and a charger connector are also provided.

Abstract: An isolated nucleic acid molecule cloned from Artemisia annua encodes an alcohol dehydrogenase (Adh1). Artemisia annua Adh1 enzymatically oxidizes artemisinic alcohol to artemisinic aldehyde. The nucleic acid molecule, and the enzyme encoded thereby, may be used in processes to produce artemisinic aldehyde, dihydroartemsinic aldehyde, artemisinic acid and/or dihydroartemisinic acid in a host cell. Artemisinic aldehyde, dihydroartemisinic aldehyde, artemisinic acid and/or dihydroartemisinic acid can be chemically converted to the antimalarial compound artemisinin.

Abstract: An isolated nucleic acid molecule cloned from Artemisia annua encodes an artemisinic aldehyde double bond reductase. Artemisinic aldehyde double bond reductase enzymatically reduces artemisinic aldehyde to (11R)-dihydroartemisinic aldehyde. The nucleic acid molecule, and the enzyme encoded thereby, may be used in processes to produce dihydroartemsinic aldehyde and/or dihydroartemisinic acid in a host cell. Dihydroartemisinic acid is a late precursor to the antimalarial compound artemisinin.