نتایج جستجو برای: chemical material
تعداد نتایج: 718865 فیلتر نتایج به سال:
According to the report by United Nations Office on Drugs and Crime (2020), number of drug-users aged 12-64 has exceeded 275 million people, which accounts for 5.4% globe’s population. The highest drug addicts been registered in States America − 28.6 million; European Union – 17.4 million, while Russia 6 with 11.8 deaths annually worldwide, that are directly or indirectly related abuse. Tighten...
The chemical modification of an immobilized single crystal in a fluid cell is reported, whereby a material with switching functions is generated in situ by generating a chemical reagent in the flow. Crystals of the insulating organic crystal of TCNQ (tetracyanoquinodimethane) were grown in a microfluidic channel and were trapped using a pneumatic valve, a nascent technique for materials manipul...
Background: 66Ga (t1/2=9.49 h, β+: 4.153 MeV, γ: 511, 834, 1039, 2752 keV) has a wide range of applications in different fields of medical sciences. Production of 66Ga became one of our main interests, according to its increasing applications in nuclear medicine, particularly in PET imaging. Materials and Methods: 66 Zn (p,n)66Ga reaction was determined as the best choice for the production of ...
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