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Topic Review
Biography
Topic Review
Penal Military Unit
Penal military units, including penal battalions, penal companies, etc., are military formations consisting of convicts mobilized for military service. Such formations may contain soldiers convicted of offenses under military law, persons enrolled in the unit after being convicted in civilian courts or some combination of the two. Service in such units is typically considered a form of punishment or discipline in lieu of imprisonment or capital punishment.
2.8K
02 Nov 2022
Topic Review
The Green Supply Chain Management
Green supply chain management (GSCM) involves environmental concerns in supply chain activities to minimize ecological impacts. The aim of GSCM is to find a balance between economic and environmental activities. GSCM deals with the concept of sustainability of the entire supply chain network along with providing green products or services to customers.
2.8K
25 Oct 2022
Topic Review
Nitrogen Compounds in the Soil
Soil is an important environment in which nitrogen is transformed. The nitrogen cycle in the soil depends on microorganisms, without them, nitrogen transformation processes cannot occur. They determine the continuity of the circulation of this element in the environment and ensure the renewal of its resources. The presence of microorganisms involved in nitrogen transformation in the soil, their activity and the intensity of the reactions taking place are influenced by many factors, including the type of soil, moisture, oxygenation, pH, vegetation and fertilization.
2.8K
31 May 2021
Topic Review
D-10 Tank Gun
The D-10 is a Soviet 100 mm tank gun developed in late World War II. It originally equipped the SU-100 tank destroyers and was later selected for the T-55 tank, equipping these as late as 1979. On the T-55 the D-10 continues to be in active service in many countries.
2.8K
19 Oct 2022
Topic Review
Additive Manufacturing and Industry 4.0
We present a review on Additive Manufacturing and Industry 4.0 from business innovation and sustainability perspective.
2.8K
14 Apr 2021
Topic Review
Dental-Enamel Junction
Dentin-enamel junction (DEJ) is the boundary layer located between dentin and covering enamel. DEJ has a distinct chemical, mechanical and energetical features than surrounding tissues. Its role lies in the transport of materials between dentin and enamel. At the same time DEJ, mainly due to its scalloped structure, protects the dentin against diffusing of mechanical shocks originating at the enamel boundary.
2.8K
16 Jun 2021
Topic Review
Intraretinal Fluid Pattern Characterization
The accumulation of fluids in the retinal layers is one of the main causes of blindness in developed countries. The main strategy for its study and diagnosis is through the use of Optical Coherence Tomography (OCT) images. This allows experts to observe the layers of the retina in a cross-sectional view. Commonly, for the analysis of these accumulations by means of computer diagnostic support systems, precise segmentation strategies are employed.
2.8K
22 Apr 2021
Topic Review
Biostimulants Application in Horticultural Crops under Abiotic Stress Conditions
Abiotic stresses strongly affect plant growth, development, and quality of production; final crop yield can be really compromised if stress occurs in plants’ most sensitive phenological phases. Additionally, the increase of crop stress tolerance through genetic improvements requires long breeding programmes and different cultivation environments for crop performance validation. Biostimulants have been proposed as agronomic tools to counteract abiotic stress. Indeed, these products containing bioactive molecules have a beneficial effect on plants and improve their capability to face adverse environmental conditions, acting on primary or secondary metabolism. Many companies are investing in new biostimulant products development and in the identification of the most effective bioactive molecules contained in different kinds of extracts, able to elicit specific plant responses against abiotic stresses. Most of these compounds are unknown and their characterization in term of composition is almost impossible; therefore, they could be classified on the basis of their role in plants. Biostimulants have been generally applied to high-value crops like fruits and vegetables; thus, in this review, we examine and summarise literature on their use on vegetable crops, focusing on their application to counteract the most common environmental stresses.
2.8K
29 Oct 2020
Topic Review
Dry Permanent Magnetic Separator
Dry magnetic separation is a technology that sorts magnetic minerals from gangue using air as the medium instead of water. When raw ore is fed to the magnetic separator, the magnetic particles are subjected to magnetic force due to the nonuniform magnetic field. When the magnetic force exceeds the competitive force (i.e., gravity and fluid drag force), the particles are captured on or attracted towards the surface of the drum and consequently enter the magnetic product. Meanwhile, the gangue or poor intergrowth particles are not subjected to magnetic force and are separated into the non-magnetic product under the action of competitive force. In other words, magnetic minerals and gangue have different trajectories in a magnetic separator, thereby achieving the purpose of separation. Dry magnetic separation has been recently adopted by plants to cope with cost and environmental pressures.
2.8K
24 Oct 2022
Topic Review
Prevention and Treatment of COVID-19
Since the pandemic induced by the coronavirus SARS-CoV2 began to be spread throughout the whole world, many medical attempts to control the infection and avoid the high rate of mortality and morbidity have been made, collapsing the ICUs of many Hospitals. Many different treatments have been tested, but mortality reached very high values, especially in people in the middle/ elder age. Survivors usually develop important sequelae, even time after the infection had been controlled. In this article, we propose two different approaches to avoid the infection or mitigate their effects. One of them is based in the administration of GH, as preventive, given its known effect on the production of lymphocytes and a high number of antibodies, as well as for helping in the recovery of the damaged organs. The other one is the administration of melatonin, both to prevent the infection and to act on inflammation once the disease is established. Both hormones are safe and can synergize when the damage to organs is established. GH administration has to be interrupted if the cytokine storm appears because the hormone can increase it. This is a novel approach that will be analyzed in extent, on scientific bases, throughout this article.
2.8K
05 Nov 2020
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