| Nashriyot | Қарши муҳандислик-иқтисодиёт институти |
|---|---|
| Shahar | Qarshi |
| ISSN | 2181-4732 |
| e-ISSN | 2181-4015 |
| Tashkil etilgan | 2024 |
| Maqolalar soni | 244 |
| OAK holati | Ro‘yxatda |
The article discusses the possibility of using heat pipes to utilize the thermal energy of biomass and greenhouse soil in order to maintain optimal temperature conditions. A calculation scheme for the heat balance of a…
This article presents the components of the quality assessment mechanism of the use of outsourcing services in preschool educational organizations, including the goals and objectives of outsourcing services, the…
This article presents an analysis of the work on the technique and equipment used for harvesting root crops. The purpose of the research is to improve the quality of potato digging and productivity by developing an…
The article discusses the issues of rational use of water resources in conditions of water scarcity around the world, rational use of water in the cultivation of crops, the use of drip irrigation technology in the…
The article proposes a thermal scheme of a hybrid heat and hot water supply system based on vacuum solar collectors and heat pump devices for country houses and model houses. The heat-technical calculation of the hybrid…
Increasing the energy efficiency of modern buildings and structures is an urgent task. To solve the problem, the development of the use of renewable energy sources, which have enormous potential, is considered…
A method is proposed for optimizing the level of operability of a technical system under conditions of incomplete information about its characteristics.The proposed modeling and optimization method considers obvious…
In the article, as one of the current problems of the energy system, the effective use of energy-saving lighting devices in electric lighting networks and the use of an automatic control device with a photo relay on the…
In this research work, initial experiments and analyzes of the device for obtaining alternative fuels through the thermal processing of biomass waste, providing autonomous consumers with heat and electricity are…
Currently, the world’s oil and natural gas are rich energy resources of minerals and the main source of energy and fuel production. Products obtained from their processing are widely used in all industries, transport…
Based on the results of experimental studies, the article presents a methodology for assessing the resistance to erosion of a pre-locked saline soil, taking into account the degree of salinity of the soil. The influence…
The article presents the results of a study of the dynamics of suspended and bottom liquids in a water flow in relation to a deforming body. A simulation model that displays the hydraulic characteristics of turbid…
The article determines the optimal proportions of starting reagents and acceptable conditions for synthesis processes for the production of organic oxygen-containing additives. When studying the reaction mechanisms of…
In this article bright soliton solutions of the generalized nonlinear Schrödinger equation are found with the help of an effective potential, which is found too. The equation accounts second and fourth order dispersion…
The quality of products is assessed by several indicators. We use such methods as measurement methods, statistical method, calculation method, sociological method, expert method. There is another method of evaluating…
The article deals with the generation of wind waves for the conditions of large earthen channels, in which the generation of wind waves is significantly affected by a stationary flow and a limited width of a water body…
The article is devoted to an experimental study of the temperature regime of the process of heliopyrolysis of biomass and hydrocarbon-containing wastes using a parabolic solar concentrator. An experimental…
The quality of tillage with traditional plowing plows does not meet the agrotechnical requirements. The purpose of the research is to develop a plow for smooth, rowless plowing. A plow for smooth plowing is proposed…
It is known that the importance of the modeling method in the research of technological systems is increasing. One of the main reasons for this can be attributed to the possibility of simplifying a complex system, as…
This article develops recommendations on the use of the gas lift method for the artificial creation of fountains in the wells of under-gas oil fields. To determine the optimal operating mode of a gas-lift well, a…
This paper is devoted to the results of studies and analyses to determine the geochemical specialisation of rocks of the alkaline basaltoid-lamprophyre formation of the Chakilkalyan Mountains. The results of studies…
Maqolada turizm xizmatlari sohasida innovatsion faoliyatni rivojlantirish yo‘nalishlari va innovatsion faoliyatni davlat tomonidan qo‘llab-quvvatlashning iqtisodiy mexanizmlarini takomillashtirish hamda…
Maqolada qishloq xo‘jaligida innovatsiyalarni izchil joriy qilish orqali qishloq xo‘jaligini intensiv rivojlantirish, innovatsion ishlanmalarni moliyalashtirish imkoniyatlarini xo‘jalik toifalari bo‘yicha baholash…
The paper considers the problem of assessing the quality of educational information systems (EIS) in the context of the digital transformation of society. An algorithm for determining the quality of information systems…
Hozirgi vaqtda bilvosita quyosh quritgichlari qishloq xо‘jalik mahsulotlarini quritishda keng qо‘llaniladi. Quyosh havo kollektori bilvosita quyosh quritgichlarining asosiy jihozlaridan biri bо‘lib, quritgichga…
Jahonda shо‘r suvdan chuchuk suv olishning turli usullari qо‘llaniladi. Chuchuklantirish jarayoniga katta miqdordagi energiya talab etilganligi sababli, qayta tiklanuvchi energiya manbalari, xususan quyosh energiyasidan…
В статье на основе существующих теорий диффузионных процессов поверхностного упрочнения рассматривается получение композиционного азотированного слоя при кратковременном газовом азотировании в атмосфере диссоцированного…
Maqolada dinamik boshqarish obyektlar holatini baholash masalalarining dasturiy ta’minoti keltirilgan. Dinamik jarayonni boshqarishning adaptiv tizimini funksional sxemasi taklif etilgan. Dinamik boshqarish obyektlarini…
Transport tizimini rivojlantirishning optimal rejasi iqtisodiyotning va aholining tashishga bo‘lgan ehtiyojlarini to‘liq qondirishi, shu bilan birga transport vositalari va tarmoqlaridan foydalanish hamda ularni…
Hozirgi kunda, havodagi chiqindi gazlarni kamaytirish va minimal yonilg‘i sarfiga erishish maqsadida gibrid yuritmali avtomobillarni ishlab chiqarish yuqori suratlarda o‘smoqda. Gibrid yuritmali avtomobillarni…
Ushbu maqolada holat vektoriga nisbatan o‘lchami kichikroq bo‘lgan chiqish vektoridan doimiy teskari aloqada foydalanilganda, bitta kirishga ega bo‘lgan tizimlarda berk tizim qutblariga cheklovlar o‘rnatish usuli taklif…
Dunyoda sug‘orish tizimida nasos agregatlarini chastotaviy o‘zgartirgichlar orqali boshqarishga, nasos agregatining ish rejimlarini optimallashtirishga, hamda energiya sarfini aniqlashga katta e’tibor qaratilmoqda…
Волоконно-оптические усилители, легированные редкоземельными элементами, дают возможность усиления на широком спектре длин волн передачи оптических сигналов, имеющих низкий уровень шума, нелинейность и совместимость с…
Hozirgi vaqtda shо‘r suvdan chuchuk suv olishda quyosh suv chuchutgich qurilmalari keng qo‘llaniladi. Quyosh suv chuchutgichlari qadim zamonlardan buyon qо‘llanilsada, ularga ta’sir etuvchi omillarning kо‘pligi sababli…
Maqolada quyosh kollektorli inkubator kamerasining issiqlik balansini matematik modellashtirish natijalari keltirilgan. Hajmi 0,924 m3 boʻlgan tajriba inkubator kamerasining asosiy issiqlik-texnik parametrlari…
Hozirgi davrda butun Jahonda, shu jumladan O‘zbekiston Respublikasida, energetika sohasi taraqqiyotining asosiy yo‘nalishlaridan biri elektr energetika tizimlariga quyosh fotoelektr stansiyalarini joriy etish muammolari…
Ushbu maqolada Jizzax viloyati lalmikorlikning tog‘oldi mintaqasida qishloq xo‘jalik ekinlarining Davlat reestriga lalmikor yerlarda ekish uchun kiritilgan Langar navining maqbul ekish muddati va me’yorlarini aniqlash…
Ushbu maqolada Toshkent viloyatining o‘tloqi bo‘z tuproqlari sharoitida soyaning “Nafis” navini parvarishlashda yomg‘irlatib sug‘orish usulining tuproqdagi hajm massasi, tuproqdagi g‘ovakligi, tuproqdagi suv…
В статье утверждается, что инновационное сельское хозяйство является фактором повышения эффективности и доходов на основе теоретических и практических подходов. Цель статьи - оценить теоретические основы и потенциальные…
Maqolada bozor jamiyatidagi ijtimoiy-iqtisodiy jarayonlarning rivojlanish tendensiyalarini, turbulentlik sharoitida iqtisodiyotning barqarorligining obyektiv shartlari va mexanizmlarini tahlil qilish, ochiq ta’lim…
Ушбу мақолада мамлакатимиз нефть-газ, кимё саноати корхоналаридаги фойда тақсимоти, дивиденд сиёсати ва унинг тўловлари таҳлил қилинган.
Мақолада “Ўзёғмойсаноат” уюшмаси таркибига кирувчи акциядорлик жамиятлари иқтисодий фаолияти таҳлил қилинган, бошқарув ходимларини тайёрлаш, қайта тайёрлаш ва малакасини ошириш ҳамда корпоратив бошқарув…
This article aimed at highlighting the prospects and strategies for the development of the role of imports in the construction materials market of Uzbekistan, covers such problematic issues as Uzbekistan's competence in…
Ушбу мақолада туризм дестинацияларини ривожлантиришда инфратузилмаси ташкил этувчиларини бошқаришни мувофиқлаштиришнинг назарий жиҳатлари ўрганилган ва дестинациялардаги инфратузилма ҳолати амалий тадқиқ…
В статье рассматривается сущность «зеленой экономики», технологии, механизмы и инструменты управления развитием зеленой экономики, как социальные требования к руководителям предприятий. Рассмотрено формирование…
Мақолада Жиззах вилоятининг ўтлоқи бўз тупроқлари шароитида оралиқ экин сифатида эспарцет ва клевер экинлари, кузги буғдойдан сўнг такрорий экин соя экилган ва экилмаган фонда алоҳида ҳамда аралаш ҳолда парваришлашнинг…
Ushbu maqolada qattiq bug‘doyning yangi Mingchinor navini lalmikor sharoitida yetishtirishda hosildorlikni ekish muddati va meyorlariga bog‘liqligini о‘rganildi hamda qulay ekish muddati va meyorlarini tavsiya…
Мақолада кузги юмшоқ буғдой ҳосилидан бўшаган майдонга такрорий экин сифатида тариқ ва мош экинларини турли экиш усуллари ҳамда меъёрларининг уруғларнинг дала унувчанлиги ҳамда униб чиқиш давомийлигига боғлиқлиги…
Ушбу мақолада Қашқадарё вилоятининг суғориладиган майдонлари, оч-тусли бўз тупроқ иқлим шароитларида ширин маккажўхорининг «Мазза» ва «Замон» навларини асосий экин сифатида экилганда экиш схемаси ва мақбул ўғитлаш…
Қашқадарё вилояти суғориладиган оч тусли тупроқлари шароитида плёнкали иссиқхонада кузги ва баҳорги муддатларда помидор ва сабзавот экинлари кўчатларини экиш, парваришлаш ва етиштириш агротехникасининг таъсири ўрганилди.