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Author(s):  
Intansari Nurjannah ◽  
Zakiah Novianti ◽  
Agus Suharto ◽  
Muhammad Yasir Sudarmo ◽  
Ki Hariyadi

Patients with COVID-19 not only experience suffering from physiological symptoms but also psychological dimensions such as fear. Fear is part of life and the threat of self-existence will increase the fear level. Increased levels of fear will influence the process of healing by disturbing the immunity function. This case series reports the results of Su Jok therapy using the twist and seed method of therapy in reducing the level of fear of patients with COVID-19. Twenty cases of respondents with the average level of fear toward COVID-19 of ≥4 were included in this case reports. Fear level was measured by using the fear scale measurement (FSM). Su Jok therapy was conducted by twisting (120 times) and putting fenugreek seed on the joint of the patients’ index finger in Triorigin fixed joint correspondent of fear. Posttest of fear scale was measured after intervention in the intervals 5, 10 and 15 minutes. In all three interval measurements, there were significant improvements in the fear scale before and after Su Jok therapy (p=0.0001, p<0.05).


Author(s):  
E. A Banshchikova

The paper presents the results of seed and vegetative reproduction of woody and shrubby introduced plantsincluded in the List of Objects of the plant world listed in the Red Book of the Trans-Baikal Territory. The objects of thestudy are red-book woody and shrubby plants growing on the territory of the arboretum: Picea obovata var. coeruleaMalyschev; Euonymus maackii Rupr.; Corylus heterophylla Fisch. ex Trautv.; Armeniaca sibirica (L.) Lam. The aim of thestudy is to preserve the gene pool of red-book woody and shrubby plants-introduced by seed and vegetative reproduction;to study the timing of cuttings, the effect of various root formation stimulators on the rooting process. Special attentionis paid to the development of methods of vegetative reproduction with the use of various growth stimulators, taking intoaccount the weather conditions of the Trans-Baikal Territory on coniferous and deciduous species. The features and termsof harvesting cuttings are studied. As a result, a favorable period for the process of rooting of coniferous species wasnoted – the phenophase “bud swelling”. The greatest number of roots was formed in cuttings harvested with a “heel”, nottreated with root formation stimulators (“control”). The greatest rooting of green cuttings of shrub species was observed inexperiments with the use of “Kornevin”. Propagation of Armeniaca sibirica showed good results by seed method.


Author(s):  
V. N. Toloraya ◽  
G. A. Ostroukhova

The problem of obtaining priming materials from Ni-W alloys arose in connection with the development of technology for casting single-crystal turbine blades of gas turbine engines (GTE) from hightemperature alloys. This technology uses a seed method for producing single-crystal castings with a crystallographic orientation [001] using seedings from alloys of the Ni-W system with a melting point 120–140°C higher than the casting alloy. The use of such primers greatly simplifies the casting process of turbine blades with a single-crystal structure, increases its reliability both in pass-through furnaces of the PMP-2 type and in high-gradient furnaces of the UVNK-9A type. The article presents the results of the study of the influence of temperature-velocity parameters of directional crystallization, namely, the temperature gradient GZ on the structure of the obtained single-crystal seed blanks, as well as the study of effects of tungsten and carbon on the structure of single-crystal seed blanks, and makes recommendations for optimizing the technological process of single-crystal casting of Ni–W seed blanks adjusting the alloy composition for the seed blanks.


2021 ◽  
Vol 36 (5) ◽  
pp. 505-512
Author(s):  
Ke Xu ◽  
Xing Chen ◽  
Zhenzhen Chen

Circuits design that meets various IEC electrical overstress (EOS) standards is still a challenge, for that different kinds of EOS are at different frequency bands. In this paper, a physics-based transient simulation and modeling method is proposed, which can simulate wide-frequency EOS including electrostatic discharge (ESD) and AC characteristics. In this method, the physical model is used to characterize the nonlinear semiconductor devices in the finite-difference time-domain (FDTD)-SPICE co-simulation. Moreover, the modeling and physical parameters extraction method of the ESD protect devices, the transient voltage suppressor diode, is demonstrated. Taking an EOS protection circuit for example, it is modeled and simulated by the proposed method. Moreover, the circuit is also simulated by the widely-used System-Efficient ESD Design (SEED) method, in which the TVS diode is modeled based on 100 ns Transmission Line Pulse (TLP) measurements. The experiments show that both this method and SEED method can characterize the IEC system-level ESD behaviors well. However, the error of the SEED is about 219.2% at 10 MHz AC characteristics, but the maximum error of the proposed method is only 7.8%. Hence, compared with the widely-used SEED method, this method is more accurate when characterizing the EOS event during AC operation and switching.


Crystals ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 449
Author(s):  
Shuai Yu ◽  
Hui Chen ◽  
Xujie Gao ◽  
Weichun Feng ◽  
Wenguo Xing ◽  
...  

Reaction crystallization to produce glycidyl trimethyl ammonium chloride (GTA) via epichlorohydrin with gas-state trimethylamine was investigated. The crystallization process of the GTA gas-liquid reaction was optimized by a seed method. The optimized technology can prepare GTA products with crystal form and purity greater than 97%. The crystallization process of GTA consists of four steps (i.e., addition of seed, dispersion of seed, growth of crystals on the seed surfaces, agglomeration and growth of crystal). Seed method and flow rate are the key factors affecting purity. The purity and particle size of GTA crystals were satisfactory as long as the operation was kept within the defined envelope. The experiments were conducted on a 1 L reactor and successfully scaled-up to 3000 L in industry.


2021 ◽  
Vol 47 (2) ◽  
pp. 123-127
Author(s):  
A. V. Bocharov ◽  
G. G. Knyazev ◽  
A. N. Savostyanov ◽  
A. E. Saprygin ◽  
E. A. Proshina ◽  
...  

Abstract The aim of the research was to study the effect of depression, anxiety, and rumination scores on the balance of activity of the default mode network and attention networks revealed in the resting state EEG records. Forty-five healthy volunteers (24 men aged from 18 to 25 years) participated in the resting state EEG recording. The participants filled in the Beck Depression Inventory-II (BDI II), Ruminative Responses Scale, and Eysenck Personality Profiler. The connectivity measures of resting state networks were calculated in EEG data. The networks were detected by the “seed” method. The effects of depressive symptoms, anxiety, and rumination on the connectivity of the networks were analyzed by the regression method. The depressive symptom scores and the rumination scores were correlated with the dominance of the default mode network over attention networks in the right temporal cortex. The depression scores and the anxiety scores were correlated with the dominance of attention networks over the default mode network in the anterior cingulate cortex. It could be suggested that rumination processes are specific for depressive symptoms and are reflected in the dominance of the default mode network in brain structures associated with the processing of emotional introspection. Common to depressive and anxious symptoms is a state of alertness, which is reflected in the dominance of attention networks in brain structures associated with decision-making.


Author(s):  
Qijin Luo ◽  
Yutao Lei ◽  
Jianyu Chen ◽  
Fangmin Lin ◽  
Jingshi Li ◽  
...  

2020 ◽  
Vol 20 (11) ◽  
pp. 6827-6830
Author(s):  
Sang Heon Lee

The interior seed melting growth (ISMG) method was applied to overcome the shortcomings of the seeded melt growth. According to the results of measuring captured magnetic force at 77 K, the interior side showed a higher captured magnetic force at 2.27 kG the top side at 2.08 kG. The combination of the top seed method and the interior seed method could improve both the magnetic levitation force and the captured magnetic force of both the interior and top sides. When the bulk samples were compared before and after neutron irradiation, the bulk samples after irradiation showed relatively improved material properties when compared to those before irradiation. To measure changes in other material properties by ab/ab + ac sector in YBaCuO bulk single crystal growth, superconducting properties were measured by varying the ab area size area, and when seeding was changed in a vertical direction, higher to measure different property changes in ab/ab + ac sector, it could obtain high magnetic levitation force and captured magnetic force. This result seems to because the ab area with high superconducting properties showed a relatively larger growth.


Author(s):  
David Peres da Rosa ◽  
Junior Verardi ◽  
Junior Santana Girardi ◽  
Paulo Henrique Conte ◽  
Roger Toscan Spagnolo

This study aimed to evaluate and compare the method of in-furrow inoculant application with the other existing methods, as well as, in different doses in the development of soybean culture. The experimental design was randomized blocks in a two-factorial scheme (4 x 3), with four inoculation methods, without inoculation (control), by seed, in-furrow and leaf spray, with three doses, 100, 200 and 400%. Leaf and root dry mass, number of nodules, pods per plant, number of seeds per vegetables, height, knots per plant, productivity, root resistance and average chlorophyll content were measured. The combination of factors did not affect plant height, leaf dry matter, root resistance, grains and pods per plant, plant per knot and weight of 100 seeds, affecting only other parameters, in which the largest root dry matter occurred in in-furrow inoculation in the dose of 400%, with 3.82 g plant-1, against 3.43 g plant-1 in the by seed method in the same dose. In the in-furrow application at the 100% dose, the highest number of grains pod-1 occurred, with 3.42 grains pod-1, combined with an increase in pods plants-1, and a 19% increase in productivity relative to the control, and 9.5% at the third increase, in the spray. Co-inoculation methods affect the development of soybeans, and the method that provided the greatest of soybean development was by in-furrow.


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