The present invention provides a method of detecting adventitious agents in a composition comprising a microorganism by using ribozyme-expressing indicator cells, as well as indicator cells useful in such detection.

A method for making a carbon nanotubes array includes the steps of: providing a substrate having a first surface and an opposite second surface; forming a catalyst layer on the first surface of the substrate; introducing a mixed gas including carbon source gas and carrying gas flowing though a surface of the catalyst layer; and focusing a laser on the second surface of the substrate and growing th...

Embodiments of the invention provide an apparatus configured to form a material during an atomic layer deposition (ALD) process, such as a plasma-enhanced ALD (PE-ALD) process. In one embodiment, a lid assembly is configured to expose a substrate to a sequence of gases and plasmas during a PE-ALD process. The lid assembly comprises components that are capable of being electrically insulated, elect...

A rice transplanter-mounted type agrochemical distributor is provided to make the planting action of the rice transplanter synchronized with the distributing action of the agrochemical distributor correctly. A rice transplanter-mounted type agrochemical distributor includes a distributing device(1), a rotary body(6), a converting device(7), an operation gauge portion, a switch(4a) and a control po...

A pesticidal composition and so on characterized by containing 3,5-dichloro-1-(3,3-dichloro-2-propenyloxy)-4-[3-(5-trifluoromethylpyridin-2-yloxy)propyloxy]benzene and an insecticidal protein of Bacillus thuringiesis.

Provided is a beverage having a concentrated or purified tea extract incorporated therein and containing the following ingredients (A) and (B): (A) non-polymer catechins from 0.092 to 0.5 wt.%, (B) quinic acid at a weight ratio of Ä(B)/(A)Ü falling within a range of from 0.01 to 0.1. The beverage of the present invention is suited for daily drinking, because it does not generate an uncomfort...

An output ripple control circuit and method for a PWM system uses a hysteresis threshold to clamp the output ripple of the PWM system such that the output ripple will not vary with the dc level of the output voltage, and therefore the output ripple control may be combined into any main loop technologies.

A charge pump regulator has a charge pump to establish a charge path and a discharge path alternately, so as to produce a regulated voltage on an output terminal. The charge pump has at least a current control element on the charge path or the discharge path to control the current flowing therethrough according to an output-dependent feedback signal.

The present invention provides a control circuit to reduce a reverse current of a synchronous rectifier. A predication circuit is utilized to generate a timing signal in accordance with a control signal and a switching signal. The on time of the switching signal represents the charge time of an inductor of a power converter. The timing signal is applied to turn off the synchronous rectifier of the...

A soft-stop circuit and method are provided for a voltage regulator which converts a battery voltage to an output voltage according to a feedback voltage derived from the output voltage and a reference voltage, to control the voltage regulator to enter a soft-stop state when the battery voltage is lower than a threshold level, and in which state, and the output voltage is controlled to decrease so...

A switching regulator includes a first switching element for charging an inductor, a switching circuit for discharging the inductor, a controller circuit for generating a first control signal for controlling the level of an output voltage of the switching regulator, and a reverse current suppressing circuit for controlling the on-resistance of the switching circuit based on whether a reverse curre...

The present invention relates to a driving circuit of power converter for modular matching. The driving circuit mainly comprises: a power-conversion circuit to convert AC power into DC power; an oscillation circuit connected to the power-conversion circuit; a pushing circuit to adjust the voltage for achieving the required operation oscillation frequency; a matching circuit for connecting to the o...

The invention discloses a switching power supply capable of reducing a secondary-side noise. The power supply mainly has at least one decouple device to connect the secondary-side noise at least a terminal of AC input voltage. Thus, the secondary-side noise in use of the associated output electronic apparatus not only can be significantly enhanced or even eliminated but also the efficiency of the ...

A multi-lamp backlight system is disclosed. The multi-lamp backlight system includes a plurality of lamps, an inverter circuit and a current balance circuit. The inverter circuit is capable of converting a DC input signal to a pair of AC output signals, which have a 180 degree phase shift. The pair of AC output signals are delivered to the plurality of lamps. The current balance circuit is connect...

A method of adjusting sensitivity of signal interpretation includes the steps of: continuously receiving an input signal; setting a sampling parameter; sampling the input signal according to the sampling parameter to obtain a plurality of sampling signals; judging whether the sampling signals are the same or not; generating a first control signal according to the sampling signals if the sampling s...

The present invention provides an electric generator for achieving cost reduction of the electric generator itself regarding the structure of the electric generator, and cost reduction of the generation of electricity regarding the performance of the electric generator, and power supply equipment for use in this electric generator.

A power supply unit of the invention comprises a battery 4 that stores electric power used for operations of various devices; a dynamo 19, a rotation support mechanism 14, and a rectifying section 32 as charging means that converts natural energy into electric energy and supplies electric power of the electric energy to the battery 4 to be charged; a charging control section 36 for changing over b...

Electric circuit device comprises electric element and two conductive plates. The electric element includes two anode electrodes and two cathode electrodes and has relatively low impedance in a frequency range between 1×10−5 to 10 GHz. The one conductive plate has lower impedance than that of the conductive plate comprising the electric element and is connected between two anode electrodes. The ot...