Abstract: A crystal form of tetramethylpyrazine nitrone (TBN), and a preparation method and use thereof is provided. A crystal form A of TBN has characteristic diffraction peaks in the XRPD pattern at 2?°: 10.60±0.2, 11.03±0.2, 15.31±0.2, 15.55±0.2, 17.14±0.2, 17.93±0.2, and 23.81±0.2. The crystal form A has low risk of polymorphism transformation and good stability, which contribute to the stability of the preparations during the production and storage processes, and effectively guarantee the consistency of the content of the crystal form in the preparations. Therefore, the preparations are safe, effective, and controllable in quality. Also, the crystal form A has high biological activity, good druggability, and high bioavailability, fast onset of action.

Abstract: The present application provides a pavement technical condition detection method and device based on a three-dimensional contour. The method includes: acquiring three-dimensional contour data and grayscale data of a pavement on the basis of a line scanning three-dimensional measurement sensor; preprocessing the three-dimensional contour data and the grayscale data, where the preprocessing includes performing three-dimensional modeling according to the three-dimensional contour data to acquire three-dimensional modeling data and correcting the grayscale data; and extracting a key contour of each cross section in the three-dimensional modeling data, and performing pavement technical condition index detection on the pavement according to the three-dimensional modeling data, the key contour, and the corrected grayscale data to acquire a technical condition index of the pavement.

Abstract: Provided are method and device for determining grade of energy storage station based on index evaluation system, including for indicator score of at least one of evaluation indicators for each energy storage station, utilizing objective weighting method based on the indicator score of each evaluation indicator of energy storage station to determine objective weight of each evaluation indicator of the energy storage station; utilizing mixed decision-making model based on the indicator score of each evaluation indicator of energy storage station to determine subjective weight of each evaluation indicator of energy storage station; determining comprehensive weight of each evaluation indicator of the energy storage station based on the objective weight and the subjective weight of each evaluation indicator of energy storage station; and utilizing, based on the comprehensive weight of each evaluation indicator of each energy storage station, the TOPSIS method to determine evaluation grade of each energy storage st

Abstract: A system and method that includes displaying a graphical depiction of projected demand, with values of the projected demand calculated using a constraint, over a future period of time; displaying, over the graphical depiction, a selectable graphical element at a first position that is associated with a first value of the constraint; and wherein the selectable graphical element is adjustable to change the value of the constraint; receiving an indication that the selectable graphical element has been adjusted to a second position associated with a second value of the constraint; and updating the graphical depiction using updated values for projected demand over the future period of time. Projected demand may be part of transportation-related data, on which basis a recommended management plan for a disruption may be identified, the plan being identified with a network model and including strategic travel leg delays and strategic travel leg cancellations.

Abstract: The present invention provides uses of an andrographolide derivative in preparation of a medicament for preventing and treating inflammatory bowel disease. The andrographolide derivative AL-1 has the mechanisms, for the treatment of ulcerative colitis, of scavenging of free radicals, inhibition of NF-?B signaling pathway activation and COX-2 expression, activation of PPAR-? expression, and thus can prevent the transcription and expression of inflammatory-related genes to improve the conditions of inflammation. AL-1 can be used as a medicine for the treatment of inflammatory bowel disease and can be formulated to various dosage forms with a pharmaceutically acceptable carrier.

Abstract: The present invention provided a process for manufacture of amantadine nitrate derivatives, and the process comprises using adamantane as the raw material to prepare amantadine nitrate derivatives via the following steps: (1) synthesis of adamantanol; (2) carboxylation of adamantanol; (3) acetylation of adamantanoic acid; (4) reduction; (5) hydrolysis of amido adamantanol and Boc protection of amino group; (6) crystallization of Boc protected amantadinol; (7) nitrate esterification of Boc protected amantadinol; (8) refining of the product of nitrate esterification; (9) Boc deprotection and salt formation; and (10) refining of amantadine nitrate hydrochloride. The amantadine nitrate derivatives have the struction of: wherein, R1 and R2 are each independently hydrogen, straight-chain or branched-chain alkyl, or substituted or unsubstituted aryl or heteroaryl. The process of this invention is efficient, cost effective, environmentally friendly, safe, reliable, and suitable for industrial production.

Abstract: A scroll compressor of vehicles includes a housing including a first opening to form a receiving space, a compressing mechanism, and an electrical machinery mechanism including a rotor and a stator. The electrical machinery mechanism, located in the receiving space, drives the compressing mechanism to rotates. A lower holder is fixed to an upper holder via the stator. The stator is coupled to a binding post by lead-out wires, and the binding post, away from a bottom wall of the housing, is located between an inner wall of the housing and an outer wall of the stator. The stator and the binding post are directly or indirectly installed to a same component, and a distance between an outlet of the lead-out wires and the binding post is constant during the assembling process of the binding post and the lead-out wires.

Abstract: A distal portion (16) of an elongated body (12) is configured to mate with a distal portion (20) of an interface member (18) mechanically connected to an embolization device (22). The embolization device (22) is additionally attached to the elongated body (12). The elongated body distal portion (16) and the interface member proximal portion (19) may collectively define a protrusion and a recess configured to receive the protrusion to provide the mating. The elongated body (12), interface member (18), and embolization device (22) may be configured for delivery to a vasculature target site, and manipulation of the deployed embolization device (22) may be facilitated by the mating between the elongated body (12) and the interface member (18).

Abstract: The present invention relates to the use of ligustrazine nitrone derivatives and pharmaceutical composition thereof for the treatment and prevention of diseases of diabetic complications, which include renal anemia. The ligustrazine nitrone derivatives have the structure of the general formula (I). Experimental results indicated that the ligustrazine nitrone derivatives can significantly increase the levels of serum iron and erythropoietin in STZ induced SD rats and spontaneously hypertensive rats, and can be used for treating and preventing renal anemia caused by decrease in renal EPO production and/or concomitant iron deficiency. Therefore, the ligustrazine nitrone derivatives can be made into various dosage forms with a drug carrier. The derivatives can be prepared into various dose forms together with drug carriers.

Abstract: A compressor comprises a housing including a first opening to form a receiving space and a retaining wall, wherein the receiving space is divided, by the retaining wall, a low-pressure chamber and a controller chamber. A compressing mechanism further comprises a fixed scroll plate including a low-pressure side of scroll wraps and a high-pressure side, opposite to the scroll wraps; an orbiting scroll plate, located in the receiving space, including a side, facing the scroll wraps of the fixed scroll plate, of scroll wraps and a compression chamber is formed by the scroll wraps of the fixed scroll plate and the scroll wraps of the orbiting scroll plate; an electrical machinery mechanism, located in the low-pressure chamber, including a rotor and a stator, wherein the electrical machinery mechanism drives the compressing mechanism to rotates to compress refrigerant in the compression chamber.

Abstract: The present invention discloses a pharmaceutical composition comprising TBN, or a salt or a hydrate thereof, and a preparation method therefor. The pharmaceutical composition comprises (1) a tablet core comprising the active ingredient TBN or a pharmaceutically acceptable salt or hydrate thereof and an alkalizing agent; and (2) an enteric layer outside the tablet core, comprising an opaquer and a coating material. The pharmaceutical composition has the enteric layer with good film-forming ability, which improves the bioavailability of TBN in the body; and is useful in the treatment of diseases caused by overproduction of free radicals/thrombosis in clinic.

Abstract: A crystal form of tetramethylpyrazine nitrone (TBN), and a preparation method and use thereof is provided. A crystal form A of TBN has characteristic diffraction peaks in the XRPD pattern at 2?°: 10.60±0.2, 11.03±0.2, 15.31±0.2, 15.55±0.2, 17.14±0.2, 17.93±0.2, and 23.81±0.2. The crystal form A has low risk of polymorphism transformation and good stability, which contribute to the stability of the preparations during the production and storage processes, and effectively guarantee the consistency of the content of the crystal form in the preparations. Therefore, the preparations are safe, effective, and controllable in quality. Also, the crystal form A has high biological activity, good druggability, and high bioavailability, fast onset of action.

Abstract: A use of of ligustrazine nitrone derivatives and a pharmaceutical composition thereof in the preparation of medicine for preventing and treating diabetic complication diseases. The ligustrazine nitrone derivatives can be prepared into various dose forms together with drug carriers.

Abstract: A three-coordinate measuring system includes a three-coordinate measuring apparatus, and a type collector for a product to be measured; the apparatus is provided with a probe, and a control component which controls motion of the probe through a measuring program preset according to product type of the product to be measured, the control component is electrically connected to the probe; the type collector includes an optical collecting head capable of scanning a graphic identifier, the optical collecting head is electrically connected to the control component; the control component acquires the product type of the product to be measured according to the graphic identifier scanned by the optical collecting head, and call a corresponding measuring program to control the motion of the probe in order to measure the product to be measured and acquire measuring data, a method for three-coordinate measuring is also provided.

Abstract: The present invention relates to amantadine nitrate compounds having neural protective effect, and preparation method and medical use thereof. The compounds have the structure of the general formula (II). The compounds have multifunctional mechanisms, including inhibiting NMDA receptors, releasing NO, inhibiting calcium influxes, and having protective effects on cells particularly neurocytes. The compounds can be used in the preparation of medicaments having a cellular protective effect, for prevention or treatment of the diseases related to such as NMDA receptors and elevation of calcium anions in cells, including the diseases related to neurodegeneration such as Alzheimer's disease, Parkinson's disease, cerebral paralysis and glaucoma, and the diseases related to cardio-cerebral-vascular system such as Parkinson's syndrome combined with cerebral arteriosclerosis, as well as respiratory tract infections caused by influenza virus.

Abstract: The present invention relates to trifluoroacetyl hydrazide compounds and medical uses thereof. The compounds have a structure of the following formula: The compounds showed multifunctional mechanisms, including inhibition of glutamate excitotoxicity, activation of MEF2 transcriptional activity, clearance of free radicals, and promotion of nerve differentiation, and has a better protective effect on cells especially nerve cells. The compound can be used to prepare prophylactic or therapeutic medicaments with cytoprotective effects, for the prevention or treatment of diseases related to glutamate receptor activation, MEF2 disorders or excessive free radicals generation. The diseases include, for example, neurodegenerative diseases such as Alzheimer's disease, Parkinson and stroke, and the free radicals related diseases such as heart disease, myocardial ischemia, diabetes and other cardiovascular and cerebrovascular diseases.

Abstract: The present invention relates to a pyrazine derivative, and preparation method and medical use thereof. The pyrazine derivative can remove free radicals and suppress calcium overload and has cytoprotective effects, and can be used for the prevention and treatment of cardiovascular and cerebrovascular diseases, neurodegenerative diseases and other related diseases.

Abstract: A use of of ligustrazine nitrone derivatives and a pharmaceutical composition thereof in the preparation of medicine for preventing and treating diabetic complication diseases. The ligustrazine nitrone derivatives can be prepared into various dose forms together with drug carriers.

Abstract: A three-coordinate measuring system includes a three-coordinate measuring apparatus, and a type collector for a product to be measured; the apparatus is provided with a probe, and a control component which controls motion of the probe through a measuring program preset according to product type of the product to be measured, the control component is electrically connected to the probe; the type collector includes an optical collecting head capable of scanning a graphic identifier, the optical collecting head is electrically connected to the control component; the control component acquires the product type of the product to be measured according to the graphic identifier scanned by the optical collecting head, and call a corresponding measuring program to control the motion of the probe in order to measure the product to be measured and acquire measuring data, a method for three-coordinate measuring is also provided.

Abstract: A compressor comprises a housing including a first opening to form a receiving space and a retaining wall, wherein the receiving space is divided, by the retaining wall, a low-pressure chamber and a controller chamber. A compressing mechanism further comprises a fixed scroll plate including a low-pressure side of scroll wraps and a high-pressure side, opposite to the scroll wraps; an orbiting scroll plate, located in the receiving space, including a side, facing the scroll wraps of the fixed scroll plate, of scroll wraps and a compression chamber is formed by the scroll wraps of the fixed scroll plate and the scroll wraps of the orbiting scroll plate; an electrical machinery mechanism, located in the low-pressure chamber, including a rotor and a stator, wherein the electrical machinery mechanism drives the compressing mechanism to rotates to compress refrigerant in the compression chamber.