43results about How to "Safe and controllable operation" patented technology

The invention discloses a method for artificially inducing wasps to kill insects. The method comprises the following steps of fixed cultivation of the wasps, mobile cultivation of the wasps and wasp stocking and insect killing. By the method for artificially inducing the wasps to kill the insects, various insect killing wasp populations are cultivated artificially; the method is targeted; insect killing of the wasps can be implemented all day long or all year round; the wasps are bred in mobile cultivation boxes in a managed and controlled manner; the method is operated safely in a controlled manner; and the insect killing cost is low.

The invention relates to a downdraft biomass gasification reaction chamber and a gasification process thereof. The downdraft biomass gasification reaction chamber comprises an automatic feeding device, a gasification region consisting of a primary gasification region and a secondary gasification region which are integrated, an automatic leveling device, a vibration grate, an automatic ignition device, an automatic deslagging device, an in-furnace pressure regulating system, a furnace temperature monitoring system, an in-furnace material level monitoring system, an inlet and output gas temperature monitoring system, an inlet and outlet pressure monitoring system and a flame monitoring system. The production process comprises the following steps of: automatically feeding and introducing gas, primarily gasifying, secondarily gasifying, and automatically deslagging. The downdraft biomass gasification reaction chamber is scientific and environmentally-friendly, has the remarkable characteristics of reasonable structure design, high automation, stable and controllable gasification reaction, continuity and no interruption, has high gasification efficiency and high integral heat value, issuitable for large-area popularization, and especially can be applied to continuous and stable power generation of the existing gas generator.

The invention discloses a method for continuously synthesizing O,S-dimethyl phosphoroamidothioate based on a pipe type reaction device. According to the method, O,O-dimethyl phosphoroamidothioate and dimethyl sulfate are used as raw materials, and O,S-dimethyl phosphoroamidothioate is continuously synthesized by virtue of the pipe type reaction device; the pipe type reaction device comprises two sections of pipe type reactors which are connected in series, and the temperature in each pipe type reactor is set to be appropriate during reaction; and O,O-dimethyl phosphoroamidothioate and dimethyl sulfate are continuously pumped into the first section of the pipe type reactors after being metered to perform mixing and reaction, and then flow through the second section of the pipe type reactors for further reaction, so that an O,S-dimethyl phosphoroamidothioate product is continuously obtained from a material outlet of the second section of the pipe type reactors. The method is high in reaction efficiency and high in equipment utilization ratio, a single set of reaction device is high in productivity, the reaction process is easy to control, the safety performance is good, and the requirements for industrial production can be met.

The invention discloses a preparation method of bazedoxifene acetate. The method is characterized in that raney nickel is used as a catalyst, and a compound I and hydrogen react in a microreactor to obtain bazedoxifene under the conditions that the temperature is 20 to 40DEG C and the hydrogen pressure is controlled to be 0.1 to 0.5Mpa. According to the method, the raney nickel with lower price is used to replace expensive palladium carbon, so that the production cost is effectively reduced, the microreactor is used and the production is in streamline operation; an obtained product is high in yield and good in quality; the preparation method has the advantages of high reaction efficiency, mild reaction conditions, safe and controllable operation, short reaction time and low cost; the method is easier for industrial production (The formula is shown in the description).

The invention relates to a levo-meptazinol phenylamino carbamate-L-(+)-tartrate type-I crystal and a preparation method thereof. The levo-meptazinol phenylamino carbamate-L-(+)-tartrate type-I crystal provided by the invention is stable and is characterized in that the degrees of angles 2[theta] of characteristic peaks shown in an X-ray powder diffractogram are respectively 10.1, 11.9, 13.4, 14.9, 15.4, 17.5, 17.9, 18.7, 19.6, 20.5, 21.7, 22.1, 22.6, 23.3, 24.4, 25.4, 26.9, 27.2, 27.6, 29.0, 29.8, 30.0 and 30.3, and corresponding relative intensities are respectively 42, 14, 26, 43, 66, 28, 14, 20, 33, 100, 25, 31, 51, 14, 15, 10, 10, 12, 16, 10, 12, 11 and 10. The melting point of the levo-meptazinol phenylamino carbamate-L-(+)-tartrate type-I crystal provided by the invention is 101.6-103.8 DEG C.

The invention discloses a detection method for controllable execution of a file and a virtual machine. The detection method can comprise the following steps: building a virtual operation system environment; switching the execution of a sample file to the built virtual operation system environment after initialization; calling a processor to execute an instruction of the sample file within a set range, and recording the behavior of the sample file. According to the invention, the virtual operation system environment is built for the sample file to operate, the physical processor is used to execute the instruction of the sample file, and an instruction execution range of a hardware device is preset, so that the operation of the sample file is safe and controllable; simultaneously, less resources are consumed, and high execution efficiency is achieved.