Abstract: A hinge and a mobile terminal to resolve poor use effect of a foldable electronic device. The hinge includes a main body, and a first folding assembly and a second folding assembly that are symmetrically disposed along the main body. When the first folding assembly and the second folding assembly are rotated toward each other, a length of the hinge can be extended, and an accommodation space for accommodating the flexible display can be formed. When the first folding assembly and the second folding assembly are rotated away from each other, the length of the hinge can be reduced, and a support surface for supporting the flexible display can be formed, so that the flexible display cannot be stretched, compressed, or the like during folding and unfolding, thereby improving the use effect and safety of the mobile terminal.

Abstract: In a synthesis method of a phenylisoxazoline compound 2-fluoro-4-chloro-5-methylaniline is used as starting material for firstly synthesizing a uracil ring, and then synthesizing an isooxazoline ring to obtain a target compound, phenylisoxazoline compound (VII), as shown in the reaction pathway below. The preparation method can be used for the synthesis of phenylisoxazoline containing uracil.

Abstract: A method for preparing an intermediate of a uracil compound containing isooxazoline includes the steps of: making 3-amino-4,4,4-trifluorocrotonic acid methyl ester react with substituted aryl carbamate; in a reaction process, continuously evaporating water and byproduct alcohol in the system; and conducting processing to obtain the intermediate of the uracil compound containing isooxazoline. Using this method the selectivity of the reaction and the utilization rate of raw materials are improved; the hydrolysis products, impurities and tar are reduced; the reaction time is greatly shortened; and the productivity is improved. After one recrystallization of crude products, an intermediate product with purity of more than 97% can be obtained, and quantitative yield can be more than 85%.

Abstract: An isoxazoline compound with optical activity is shown in the formula (I). The compound of the formula (I) has excellent herbicidal activity, can be used for weeding pre- and post-emergence, and can also be used for soil treatment. The compound of the formula (I) can effectively control various broad-leaved weeds, grass weeds and Cyperaceae weeds, and can control various resistant weeds, such as glyphosate-resistant weeds. The excellent weeding effect can be obtained at a low dose. The compound has good safety to crops such as corn, wheat, rice, soybean and sugar beet. The compound can be used as a selective herbicide in crop fields in agriculture, and can also be used as a non-selective herbicide in non-cultivated land, fallow land, woodland, orchards and ridges.

Abstract: A method for preparing an isoxazoline-containing uracil compound involves methylation.

Abstract: The present invention relates to herbicide. Specifically to a kind of uracil compounds containing isoxazoline ring and the uses thereof. The present invention compounds have very good herbicidal activity, can effectively control weeds, such as Echinochloa crusgalli, Setaria viridis, Cyperus difformis, Juncellus serotinus, Digitaria sangunalis, Arthraxon hispidus, Abutilon theophrasti, Zinnia elegans, Amaranthus retrofluxes, Portulaca oleracea, Xanthium sibiricum, Solanum nigrum, Cassia tora, Hibiscus trionum, Glycine soja, an so on. They can effectively control weeds even at lower doses. The present invention compounds also safe to wheats, corns and rices, and can used as herbicides in agriculture fields.

Abstract: The present disclosure provides an internal ring gear, a driving assembly having the internal ring gear, and an application device employing the driving assembly. The internal ring gear includes at least two ring gears integrally arranged in parallel at an inner surface of a single housing.

Abstract: The present disclosure provides an internal ring gear, a driving assembly having the internal ring gear, and an application device employing the driving assembly. The internal ring gear includes at least two ring gears integrally arranged in parallel at an inner surface of a single housing.

Abstract: The present invention relates to herbicide. Specifically to a kind of uracil compounds containing isoxazoline ring and the uses thereof. The present invention compounds have very good herbicidal activity, can effectively control weeds, such as Echinochloa crusgalli, Setaria viridis, Cyperus difformis, Juncellus serotinus, Digitaria sangunalis, Arthraxon hispidus, Abutilon theophrasti, Zinnia elegans, Amaranthus retrofluxes, Portulaca oleracea, Xanthium sibiricum, Solanum nigrum, Cassia tora, Hibiscus trionum, Glycine soja, an so on. They can effectively control weeds even at lower doses. The present invention compounds also safe to wheats, corns and rices, and can used as herbicides in agriculture fields.

Abstract: The present invention relates to a double-screen grinding mechanism and a double-screen grinding juicer, belonging to the technical field of household appliances. The juicer comprises a motor box, a motor, a middle cover, a grinding mechanism and an upper cover, wherein the grinding mechanism consists of a filter screen and a rotor, the filter screen being of a double-layer filter screen structure and comprising an upper filter screen and a lower filter screen, the rotor comprising an upper rough-grinding portion and a lower fine-grinding portion; the motor is mounted in the motor box; the middle cover is fixed on the motor box; the filter screen is mounted within the middle cover; the rotor is located in the filter screen; the upper cover is covered on the middle cover to shield the filter screen and the rotor; and, the rotor is connected to the motor via a rotor shaft.

Abstract: The present disclosure provides an internal ring gear, a driving assembly having the internal ring gear, and an application device employing the driving assembly. The internal ring gear includes at least two ring gears integrally arranged in parallel at an inner surface of a single housing.

Abstract: The present invention relates to a double-screen grinding mechanism and a double-screen grinding juicer, belonging to the technical field of household appliances. The juicer comprises a motor box, a motor, a middle cover, a grinding mechanism and an upper cover, wherein the grinding mechanism consists of a filter screen and a rotor, the filter screen being of a double-layer filter screen structure and comprising an upper filter screen and a lower filter screen, the rotor comprising an upper rough-grinding portion and a lower fine-grinding portion; the motor is mounted in the motor box; the middle cover is fixed on the motor box; the filter screen is mounted within the middle cover; the rotor is located in the filter screen; the upper cover is covered on the middle cover to shield the filter screen and the rotor; and, the rotor is connected to the motor via a rotor shaft.

Abstract: A stable startup system includes a reactor vessel containing coolant, a reactor core submerged in the coolant, and a heat exchanger configured to remove heat from the coolant. The stable startup system further includes one or more heaters configured to add heat to the coolant during a startup operation and prior to the reactor core going critical.

Abstract: A stable startup system includes a reactor vessel containing coolant, a reactor core submerged in the coolant, and a heat exchanger configured to remove heat from the coolant. The stable startup system further includes one or more heaters configured to add heat to the coolant during a startup operation and prior to the reactor core going critical.

Abstract: A stable startup system includes a reactor vessel containing coolant, a reactor core submerged in the coolant, and a heat exchanger configured to remove heat from the coolant. The stable startup system further includes one or more heaters configured to add heat to the coolant during a startup operation and prior to the reactor core going critical.

Abstract: One aspect of the present invention provides a method for improving power amplification efficiency of a Doherty power amplifier. The method is applied to a Doherty power amplifier that has two paths of Doherty circuit units connected in parallel. The method includes: when output power of the Doherty power amplifier is within a low out power range, adjusting, by a bias circuit, gate voltages of main power amplifiers and peak power amplifiers in the two paths of Doherty circuit units connected in parallel, in order to cause the peak power amplifiers to be in an off state, and the main power amplifiers in the two paths of Doherty circuit units connected in parallel to be in a main power amplification state and a peak power amplification state respectively.

Abstract: The present invention discloses an aryloxy dihalopropenyl ether compound with the structure shown as general formula (I), of which the group definitions can be seen in the specification. The present invention also discloses the use of the compound with general formula (I) as an insecticide in the agricultural field and an insecticidal composition using the compound with general formula (I) as an active component.

Abstract: A nuclear reactor module includes a reactor vessel containing coolant, a reactor core submerged in the coolant, and a heat exchanger configured to remove heat from the coolant. The nuclear reactor module further includes one or more heaters configured to add heat to the coolant during a startup operation and prior to the reactor core going critical.

Abstract: One aspect of the present invention provides a method for improving power amplification efficiency of a Doherty power amplifier. The method is applied to a Doherty power amplifier that has two paths of Doherty circuit units connected in parallel. The method includes: when output power of the Doherty power amplifier is within a low out power range, adjusting, by a bias circuit, gate voltages of main power amplifiers and peak power amplifiers in the two paths of Doherty circuit units connected in parallel, in order to cause the peak power amplifiers to be in an off state, and the main power amplifiers in the two paths of Doherty circuit units connected in parallel to be in a main power amplification state and a peak power amplification state respectively.