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Pharmacopoeia: Guidelines for the determination of powder flowability published
Time of Update: 2022-12-30
The most common method for determining static rest angle can be classified based on the following two important experimental variables: The height of the powder through the "funnel" is fixed relative to the chassis, or its height can change with the formation of the cone.
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The main force of Shanghai copper can move relatively strong when it opens high and goes up
Time of Update: 2022-12-19
Warehouse receipt inventory: Shanghai copper warehouse receipts totaled 36,417 tons on Monday, a daily decrease of 2,124 tons, a 7-day decline; On June 26, LME copper stocks were 221675 tons, down 3,975 tons per day, down for 8 consecutive days.
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Market long and short divergence Copper price trend is more volatile
Time of Update: 2022-12-12
At the end of the session, the bears took profits and left the market, and copper prices fell slightly, closing at 48580 yuan / ton, down 160 yuan / ton.
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Photovoltaic system cable design, selection and construction
Time of Update: 2022-11-24
3. Photovoltaic special cable A large number of DC cables in photovoltaic power plants need to be laid outdoors, the environmental conditions are harsh, and the cable materials should be determined according to the resistance to ultraviolet rays, ozone, severe temperature changes and chemical erosion.
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Brazilian R&D institution develops submarine cable amplifiers
Time of Update: 2022-11-17
， This submarine cable amplifier research and development project is funded by Funtec Resources and is expected to last for 3 years and is implemented in cooperation with the Italian foundation CIFE.
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Issue 45/2015 - Jihua successfully developed new technology for EPDM rubber
Time of Update: 2022-11-13
(Ping) On November 12, the technical research results of Jilin Petrochemical EPDM rubber J-5105 passed the project acceptance organized by Jilin Science and Technology Bureau, and EPDM rubber is about to achieve industrial application in the field of sealing strips.
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Deepening the Impression - A Case of Inflammatory Myofibroblastic Tumor of Esophagus and Gastric
Time of Update: 2022-10-12
CT examination showed that the esophageal wall in the lower esophagus and the gastric wall in the cardia area were significantly thickened unevenly, and the esophageal cavity was narrowed; a mass of high-density shadow was seen at the fundus of the stomach, no tumor grew significantly outside the wall, and no obvious surrounding lymph nodes were found ( Figure C) .
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Transparent spacer cavity, intermediate sail cavity image diagnosis points
Time of Update: 2022-09-30
Ventricular anatomy, normal variationTransparent spacer cavitytermimageNarrow, finger-like cerebrospinal fluid accumulation between the lateral ventriclesThe size ranges from crack to a few millimeters, and occasionally > 1 cmThe fetal transparent septum is all cysticThe transparent spacer is seen in 15% to 20% of adultsThe main differential diagnosispathologyClinical points(Left) crown and axial inset plots show typical representations of transparent spacer and Verga cavity.
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Wang Yongming's group developed a CRISPR/Cas9 tool to identify N4C PAM
Time of Update: 2022-09-07
The RNA-guided CRISPR/Cas9 system is the simplest and most efficient gene editing tool, but the site it can edit needs to contain a sequence called PAM, which limits its editing scope .
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Switzerland develops new 3D printing technology: 30 seconds to complete printing, can be used in the field of medicine and biology
Time of Update: 2022-08-22
EPFL's new 3D printing technology can be printed in just 30 seconds, and can be used to make soft objects such as hearing aids and mouthguards.
EPFL's new 3D printing technology can be printed in just 30 seconds, and can be used to make soft objects such as hearing aids and mouthguards.
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U.S. Air Force Research Laboratory develops new hybrid nanomaterials
Time of Update: 2022-07-03
The US Air Force Research Laboratory is developing a ceramic precursor polymer grafted nanoparticle (or hairy nanoparticle, HNP) for the manufacture of ceramic matrix composites.
? In the manufacturing process of ceramic matrix composites, the material used to bond the ceramic fibers together will shrink greatly and form cracks and pores.
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Introduction of muffle furnace and precautions for use
Time of Update: 2022-04-29
Scope of application The muffle furnace is a periodic operation type, which is used for elemental analysis and determination in laboratories, industrial and mining enterprises, and scientific research units and heating for general small steel parts such as quenching, annealing, tempering and other heat treatments.
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Correlation between mutation spectrum and clinicopathological characteristics of Chinese patients with thyroid cancer
Time of Update: 2022-01-10
Previous results indicate that BRAF, NRAS, KRAS, HRAS, TERT, RET, PIK3CA, PTEN, TP53, AKT1, GNAS, CTNNB1, PAX8/PPARã, TSHR somatic mutations and NTRK1 gene are related to the diagnosis and treatment of TC .
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"Nature" published 5 articles in a row revealing Omi Keron's resistance to antibodies and vaccines
Time of Update: 2022-01-09
From the serum samples collected from 20 Pfizer-Biotech vaccine third-injectors, the author found that the neutralizing activity of Omi Keron increased by 6 times .
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Retrospective study: The neurological diseases caused by varicella-zoster virus after vaccination with COVID-19 are no different from those without vaccination
Time of Update: 2021-11-13
In this study, we retrospectively evaluated patients who were admitted to our clinic and diagnosed with VZV-ND during the COVID-19 vaccination campaign (January-April 2021) and the same months in the previous two years .
