A Research Study for the Design of a Portable and Configurable Ground Test System for the A400M Aircraft by Diego F. Larios, Julio Barbancho, Félix Biscarri, Iñigo Monedero

“…This paper presents a study of the most suitable ground test equipment for the Airbus A400M aircraft aimed at optimizing a design that combines portability, flexibility, and configurability. …”
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Sprint race distance affects reaction time in male and female sprinters at the 2022 World Indoor Athletics Championships by Milan Matić, Vladimir Mrdaković, Miloš Marković

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Development on Lua of a software module for determining the drop point of uncontrolled cargo from UAV of aircraft type with Ardupilot control system by Andrіi Humennyi, Pavlo Malashta, Serhii Oliynick, Oleksandr Pidlisnyi, Vitalii Aleinikov

“…A feature of this software is the use of different approaches to determining the point of dropping in the intervals of heights up to 40 m, from 40 to 400 m and more than 400 m relative to the ground surface. …”
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Maternal erythrocytosis as a risk factor for small for gestational age at term in high altitude by Wilfredo Villamonte-Calanche, Marco Antonio Salazar-Zegarra, Cleto De-la-Torre-Dueñas, Alexandra Villamonte-Jerí, Adaí Vera-Luza, Milagros Hilari Bustinza-Apaza, Nuria Huanca-Huirse

“…Abstract Objective To determine if maternal erythrocytosis is a risk factor for small-for-gestational age at term at 3,400-m altitude in pregnant women without intercurrent disease. …”
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Changes in Cardiac Tone Regulation with Fatigue after Supra-Maximal Running Exercise by Pierre-Marie Leprêtre, Philippe Lopes, Claire Thomas, Christine Hanon

“…To investigate the effects of fatigue and metabolite accumulation on the postexercicse parasympathetic reactivation, 11 long-sprint runners performed on an outdoor track an exhaustive 400 m long sprint event and a 300 m with the same 400 m pacing strategy. …”
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Effects of different warm-up methods on 50-meter breaststroke swimming performance by Hsuan-Yen Lee, Te Chao, Chi-Chieh Hsu, Ning-Wei Chang, Yi-Liang Chen, Yung-Shen Tsai

“…The stroke length of breaststroke specialists following the TA warm-ups was shorter than that following the PD warm-ups, the SQ warm-ups, and the conventional 1,400 m warm-ups. Breaststroke specialists who engaged in the TA warm-ups had higher stroke frequency than those who engaged in the conventional 1,400 m warm-ups, the SQ warm-ups, and the PD warm-ups. …”
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Characteristic of Elite Male 800-m Runner’s Race Performance Based on Hybrid Computing Methods by Chao Chen, Jie Ma, Jinzhuang Song, Shengbao He, Mengchao Tan

“…The first peak speed (100–200 m) is higher than the second (500–600 m). Reduce the 0–400 m split times could be contributing to achieve personal best. 200–400 m is the even pacing phase which have the function of adjust physiological condition and preserve energy. …”
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Efficacy of Red Cell Salvage Systems in Open Acetabular Surgery by S. MacDonald, C. Byrd, E. Barlow, V. K. Nahar, J. Martin, D. Krenk

“…We believed that if a patient’s preoperative hemoglobin is less than 10.5 or expected blood loss is less than 400 mL, then CS should have a very limited role, if any, in the preoperative blood conservation strategy. …”
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Composition of soil fungal communities and microbial activity along an elevational gradient in Mt. Jiri, Republic of Korea by Ana Mitcov, Daegeun Ko, Kwanyoung Ko, Jaeho Kim, Neung-Hwan Oh, Hyun Seok Kim, Hyeyeong Choe, Haegeun Chung

“…Jiri, along a four-point-altitude gradient: 600-, 1,000-, 1,200-, and 1,400-m. Soil pH and elevation were negatively correlated, with soils becoming more acidic at higher altitude. …”
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Determination of Sulphur Content in Fuel while Using Inversion Voltammetric Method by N. P. Matveyko, A. M. Braykova, A. S. Kalinichenko

“…The method includes an electrode regeneration at 500 mV (in reference to silver chloride electrode) within 20 sec, sulphur concentration at 100 mV, registration of cathode current-potential curve with 200 mV/sec and within potential interval from 100 up to 400 mV.…”
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香港米埔自然保护区 by 梁臣

“…米埔占地３８０ｌｌｌｌｒ，内有被称为“基围”的浅水鱼塘、虾塘，基围的北面是４００ｍ宽阔的红树林带（近珠江口），东面布满芦苇，外围后海湾有泥眼是一个典型的湿地生态。米埔地处...…”
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笼养大天鹅在保定动物园繁殖成功 by 霍进, 胡端杰

“…该笼面积700m²,其中水面400m²,陆地300m²。笼内还饲养有灰鹤、蓑羽鹤、白骨顶、绿头鸭、雁、鸳鸯、雉鸡等10种、60多只…”
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Development and Evaluation of User‐Friendly Modeled Approach for Sustainable Polymer Membranes for Advanced Hemodialysis by Ahmed Khan, Zaib Jahan, Muhammad Ahsan, Muhammad Bilal Khan Niazi, Muhammad Nouman Aslam Khan, Ahmed Sayed M. Metwally, Farooq Sher

“…At a dialysate flow of 400 mL min−1, the model's predicted clearance was 286.47 mL min−1, with only a 1% difference compared to previous model. …”
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Impact loading of a space nuclear powerplant by Evgeny I. Kraus, Ivan I. Shabalin

“…High-velocity impact problems of destruction of reactor are solved for the two cases: 1) at its crash landing on the Earth surface (the impact velocity being up to 400 m/s); 2) at its impact (with velocity up to 16 km/s) with the space debris fragments.…”
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Impact loading of a space nuclear powerplant by Evgeny I. Kraus, Ivan I. Shabalin

“…High-velocity impact problems of destruction of reactor are solved for the two cases: 1) at its crash landing on the Earth surface (the impact velocity being up to 400 m/s); 2) at its impact (with velocity up to 16 km/s) with the space debris fragments.…”
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笼养绿尾虹雉的繁殖行为 by 陶玉静, 陈辉

“…分布于青海东南部,甘肃迭部、舟曲、文县,四川青川、北川、绵竹、安县、平武、宝兴、洪雅、大邑、康定、丹巴、泸定、若尔盖、松潘、墨水、小金、南坪、文川、金川、理县、茂汶、峨嵋、九龙、西藏芒康、察隅。栖息于海拔3300⁴400m的灌丛、草甸及裸岩处,取食植物根茎、叶、花及昆虫,嗜食…”
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Une “ annexe ” agraire gallo-romaine à Saran “ les Cent Arpents ” (Loiret) by Aurélien Hamel, Alix Fourré

“…Located 400 m east of the Roman road from Chartres-Autricum to Orléans-Cenabum, the site “les Cent Arpents” in Saran (Loiret) is made up of a small excavated enclosure covering a restored/estimated area of about 900 m², including a pond whose very likely/probable function is that of a drinking trough or a scrapper for the livestock. …”
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Découverte de deux oscilla en marbre sur un site rural gallo-romain à Saint-Cloud-en-Dunois (Eure-et-Loir) by Alain Ferdière, Alain Lelong, Lucien Royneau, Étienne Triau

“…In 2023, aerial photographic coverage of this sector showed that we were at the location of a small fanum, quite close to a Roman road and approximately 400 m from a large villa already known by aerial surveys. …”
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Estimación de la densidad poblacional del venado cola blanca texano (odocoileus virginianus texanus), introducido en la UMA "Ejido de Amanalco" Estado de México by Claudia Yanira Beltrán Vera, Ana Dolores Díaz de la Vega Martínez

“…La introducción del O.v. texanus en Amanalco, Estado de México, ocurrió en el año 2000 con diez ejemplares y para estimar la densidad poblacional actual se utilizó el método indirecto; realizándose 13 transectos lineales con un área promedio de muestreo de 26 400 m2 para cada uno, utilizando la fórmula de Eberhardt y Van Etten (1956). …”
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某大跨度煤棚结构方案选型及计算 by 朱思宇, 梁存之, 张建林

“…某干煤棚初定设计跨度为160m,长度为400m,对柱面网壳和张弦桁架两种结构方案,分别选取3种结构布置形式进行了结构计算,结合计算结果及施工难易程度和经济性对各种布置形式优缺点进行分析,最终选定50m高张弦拱桁架方案,并完成了结构设计。…”
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