Abstract: An ambient pressure compensation structure for an ultraviolet difference spectrum gas sensor includes a closed box, an ultraviolet difference spectrum gas sensor, a digital pressure sensor, a thermostatic controller, an industrial control computer, a pressure regulating assembly and a limiting partition; the pressure regulating assembly and the limiting partition are arranged inside the closed box, the pressure regulating assembly comprises a piston, a regulating rod and a driving motor, the left side of the piston is connected with the regulating rod, the front end of the regulating rod penetrates out of the closed box and is connected with the driving motor, and the piston divides the interior of the closed box into a pressure regulating air chamber and a working air chamber. Also disclosed is an ambient pressure compensation method for an ultraviolet difference spectrum gas sensor.

Abstract: The present description relates to compounds, forms, and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease. In particular, the present description relates to substituted monocyclic heteroaryl compounds of Formula (I) or Formula (II), forms and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease.

Abstract: The present description relates to compounds, forms, and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease. In particular, the present description relates to substituted monocyclic heteroaryl compounds of Formula (I) or Formula (II), forms and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease.

Abstract: Described herein are certain boron-containing compounds, compositions, preparations and their use as modulators of the transpeptidase function of bacterial penicillin-binding proteins and as antibacterial agents. In some embodiments, the compounds described herein inhibit penicillin-binding proteins. In certain embodiments, the compounds described herein are useful in the treatment of bacterial infections.

Abstract: The present description relates to compounds, forms, and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease. In particular, the present description relates to substituted bicyclic heteroaryl compounds of Formula (I), forms and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease.

Abstract: The present description relates to compounds, forms, and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease. In particular, the present description relates to substituted bicyclic heteroaryl compounds of Formula (I), forms and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease.

Abstract: Described herein are certain boron-containing compounds, compositions, preparations and their use as modulators of the transpeptidase function of bacterial penicillin-binding proteins and as antibacterial agents. In some embodiments, the compounds described herein inhibit penicillin-binding proteins. In certain embodiments, the compounds described herein are useful in the treatment of bacterial infections.

Abstract: Provided are novel compounds of Formula I: pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof, which are useful in the treatment of diseases and disorders mediated by ROR?. Also provided are pharmaceutical compositions comprising the novel compounds of Formula I and methods for their use in treating one or more inflammatory, metabolic, autoimmune and other diseases or disorders.

Abstract: The present description relates to compounds, forms, and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease. In particular, the present description relates to substituted monocyclic heteroaryl compounds of Formula (I) or Formula (II), forms and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease.

Abstract: The present description relates to compounds, forms, and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease. In particular, the present description relates to substituted bicyclic heteroaryl compounds of Formula (I), forms and pharmaceutical compositions thereof and methods of using such compounds, forms, or compositions thereof for treating or ameliorating Huntington's disease.

Abstract: Provided are novel purine nucleoside/nucleotide analogues compounds, pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof, which are inhibitors of CD73 and are useful in the treatment of cancer.

Abstract: Provided are novel compounds of Formula I: pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof, which are useful in the treatment of diseases and disorders mediated by ROR?. Also provided are pharmaceutical compositions comprising the novel compounds of Formula I and methods for their use in treating one or more inflammatory, metabolic, autoimmune and other diseases or disorders.

Abstract: The present invention is directed to a compound represented by the following structural formula or a pharmaceutically acceptable salt thereof. Pharmaceutical compositions and method of use of the compounds are also described.

Abstract: The present invention relates to spirocyclic acylguanidines and their use as inhibitors of the ?-secretase enzyme (BACE1) activity, pharmaceutical compositions containing the same, and methods of using the same as therapeutic agents in the treatment of neurodegenerative disorders, disorders characterized by cognitive decline, cognitive impairment, dementia and diseases characterized by production of ?-amyloid aggregates.

Abstract: The present invention relates to spirocyclic acylguanidines and their use as inhibitors of the ?-secretase enzyme (BACE1) activity, pharmaceutical compositions containing the same, and methods of using the same as therapeutic agents in the treatment of neurodegenerative disorders, disorders characterized by cognitive decline, cognitive impairment, dementia and diseases characterized by production of ?-amyloid aggregates.

Abstract: The present invention relates to spirocyclic acylguanidines and their use as inhibitors of the ?-secretase enzyme (BACE1) activity, pharmaceutical compositions containing the same, and methods of using the same as therapeutic agents in the treatment of neurodegenerative disorders, disorders characterized by cognitive decline, cognitive impairment, dementia and diseases characterized by production of ?-amyloid aggregates.

Abstract: Provided are novel compounds, pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof, which are inhibitors of CD73 and are useful in the treatment of cancer.

Abstract: The present invention relates to spirocyclic acylguanidines and their use as inhibitors of the?-secretase enzyme (BACE1) activity, pharmaceutical compositions containing the same, and methods of using the same as therapeutic agents in the treatment of neurodegenerative disorders, disorders characterized by cognitive decline, cognitive impairment, dementia and diseases characterized by production of ?-amyloid aggregates.

Abstract: The present invention is directed to a compound represented by the following structural formula or a pharmaceutically acceptable salt thereof. Pharmaceutical compositions and method of use of the compounds are also described.

Abstract: The present invention is directed to a compound represented by the following structural formula or a pharmaceutically acceptable salt thereof. Pharmaceutical compositions and method of use of the compounds are also described.