Multiband and Photonically Amplified Fiber-Wireless Xhaul by Eduardo Saia Lima, Ramon Maia Borges, Luiz Augusto Melo Pereira, Hugo Rodrigues Dias Filgueiras, Antonio Marcos Alberti, Arismar Cerqueira Sodre

“…We demonstrate our technique allows replacing two conventional RF amplifiers with enhanced digital performance and/or significantly increasing the system throughput in 2.4 times, attaining 12 Gbit/s. Furthermore, a dual-band (7.5 and 28.0 GHz) wireless fronthaul, preceded by a 12.5-km optical midhaul, illustrates the multiband and photonically amplified FiWi Xhaul, by means of providing performance in terms of root mean square error vector magnitude (EVMRMS) in accordance to the 3GPP recommendations and at low phase noise level.…”
Get full text

Pigment composition in relation to phytoplankton community structure and nutrient content in the Baltic Sea by Joanna Stoń, Alicja Kosakowska, Maria Łotocka, Elzbieta Łysiak-Pastuszak

“…Moreover, inspring the concentrations of photosynthetic carotenoids (with dominantperdinin) were 2-4 times higher than those of the photoprotectingcarotenoids (with dominant diadinoxanthin), whereas in the two autumnsthe situation was reversed: PPC concentrations (with dominant zeaxanthinand diadinoxanthin) exceeded those of PSC (with dominant fucoxanthin)by c. 3-10 times. …”
Get full text

Investigating peat deposits with ground-penetrating radar – a case study of drained bogs in Western Siberia, Russia by Sinyutkina Anna

“…The modern peat accumulation increased 1.3–2.2 times from hollows to hummocks and it was 2–4 times higher within the Bakchar bog than in the Ust-Bakchar bog.…”
Get full text

THE RADIO WAVES PROPAGATION CHARACTERISTICS IN THE GLIDESLOPE AXES OF THE GROUND CONTROLLED APPROACH SYSTEMS IN THE ARCTIC REGIONS by G. S. Nakhmanson, D. V. Buchnev, A. V. Bunin

“…The article shows that the magnitude of the confidence intervals of deviations of trajectories at the required value of confidence probability is 2-4 times the size of the area tolerance. Contained in the article the results clearly indicate the necessity of considering the influence of the atmosphere on the trajectory of radio wave propagation in channels of radio glide path landing system in flight operations to improve safety of aircraft landing in the Arctic regions.…”
Get full text

Two body non-leptonic D 0 decays from LCSR and implications for $${\Delta a}_{{\text{CP}}}^{{\text{dir}}}$$ by Alexander Lenz, Maria Laura Piscopo, Aleksey V. Rusov

“…The combination of our results with known predictions for the penguin contributions obtained with LCSR, leads to an upper bound for the value of direct CP violation expected in the Standard Model of $$\left|{\Delta a}_{{\text{CP}}}^{{\text{dir}}}\right|\le 2.4\times {10}^{-4}$$ , which is approximately a factor six smaller than the current measurement.…”
Get full text

Thermal Conductivity of Poplar Wood Veneer Impregnated with Graphene/Polyvinyl Alcohol by Shuang-Shuang Wu, Xin Tao, Wei Xu

“…The data shows that the optimal thermal conductivity of modified veneer, which is up to 0.22 W·m⁻¹·K⁻¹ and 2.4 times the untreated one, is dipped by the mixture of 10 wt.% PVA concentration and 2 wt.% MGEIN addition. …”
Get full text

Sensitivity optical non-linear measurement based on wide-band phase objects by Zhangyang Shao, Yong Yang, Junyi Yang, Wenfa Zhou, Kun Liu, Zhongguo Li, Yu Fang, Xingzhi Wu, Yinglin Song, Yinglin Song

“…Results show that the measuring sensitivity is improved 2-4 times compare with the conventional 4f imaging technique. …”
Get full text

Effects of Using an Application for Postpartum Contraceptive Use in Family Planning Counseling During Pregnancy by Lia Nurcahyani, Dyah Widiyastuti, Arief Tarmansyah Iman, Yanti Cahyati, Yeni Fitrianingsih

“…The findings indicated that participants given family planning counseling using an application had a 2.4 times higher likelihood of using postpartum contraception compared to flipcharts after controlling for age and parity variables. …”
Get full text

Optimisation of Buyer and Seller Preferences for Peer-to-Peer Energy Trading in a Microgrid by Shama Naz Islam, Aiswarya Sivadas

“…The results show that the proposed approach allows buyers and sellers to purchase/sell more energy from the P2P trading market (2.4 times increase when maximum energy sold is considered) in comparison to the case when all participants are equally preferred. …”
Get full text

Vibration assisted cutting of Gouda cheese by Andrej Lebar, Oki Blatnik, Mihael Junkar, Henri Orbanić

“…The results also confirmed the already known facts that the cutting forces increase with increasing cutting velocity, 2-4 times on average with cutting at 75 mm/s instead of 12.5 mm/s. …”
Get full text

Amorphous Metallic Cobalt-Based Organophosphonic Acid Compounds as Novel Photocatalysts to Boost Photocatalytic CO₂ Reduction by Chengwei Zhou, Fan Wu, Yonggong Tang, Boyuan Chai, Jiaxin Liang, Jiangang Han, Weinan Xing, Yudong Huang, Guangyu Wu

“…Under visible light exposure, the best performing catalyst, CoP-4, showed 2.4 times higher activity than Co₃O₄ (19.90 μmol h⁻¹ g⁻¹) for reducing CO₂ into CO, with rates up to 47.16 μmol h⁻¹ g⁻¹. …”
Get full text

Geochemical Studies of Detrital Zircon Grains from the River Banks and Beach Placers of Coastal Odisha, India by Samikshya Mohanty, Argyrios Papadopoulos, Maurizio Petrelli, Lambrini Papadopoulou, Debashish Sengupta

“…The abundance of uranium was observed to be 2–4 times larger than that of thorium. Zircon overgrowths formed in equilibrium with a partial melt and were similar to magmatic zircon in terms of the high Y, Hf and P content, steep heavy-enriched REE pattern, positive Ce anomaly and negative Eu anomaly. …”
Get full text

Self-healing materials based on disulfide bond-containing acrylate networks by L.M. Sáiz, M.G. Prolongo, V. Bonache, A. Jiménez-Suárez, S.G. Prolongo

“…Increases in hardness of 2.4 times and in elastic modulus of 1.7 times with respect to the reference networks were achieved.Finally, the self-healing properties of the disulfide acrylates were demonstrated by monitoring the repair of a scratch upon heating. …”
Get full text

The role of Ru clusters in Fe carbide suppression for the reverse water gas shift reaction over electropromoted Ru/FeOx catalysts by Christopher Panaritis, Johnny Zgheib, Martin Couillard, Elena A. Baranova

“…The synergetic effect of Ru and FeOx was further emphasized through electrochemical polarization, which led to a reversible catalytic activity increase of up to 2.4 times. The addition of Ru inhibits the formation of inactive Fe carbide by acting as the reducing component and stabilizing the FeOx active state. …”
Get full text

Photocatalytic Oxidation of Carbon Monoxide Using Synergy of Redox-Separated Photocatalyst and Ozone by Seunghyun Weon

“…Thereby, oxygen dissociation is facilitated on the Pt surface, which is confirmed by enhanced oxidation of CO by 2.4 times compared to the benchmark of Pt/TiO₂. …”
Get full text

Changes in Grassland Chemical Soil Parameters Four Years after Cessation of Different Fertilisation with Compost and Slurry by Marie Štýbnarová, Oldřich Látal, Jan Hladký, Monika Hradilová, Jiří Skládanka, Hana Bilošová, Martin Brtnický

“…The plots were cut 2 – 4 times per year depending on given dose of fertiliser. …”
Get full text

Impacts of urban expansion on vegetation in drylands: A multiscale analysis based on the vegetation disturbance index by Tao Qi, Qiang Ren, Da Zhang, Wenlu Lu, Chunyang He

“…Urban expansion negatively and positively affected 404 km2 and 169 km2 of vegetation, respectively. The former was 2.4 times that of the latter. The negative impacts on vegetation are mainly caused by the loss of cropland and grassland. …”
Get full text

Sex Dimorphism in Pulmonary Hypertension: The Role of the Sex Chromosomes by Daria S. Kostyunina, Paul McLoughlin

“…The incidence in females is 2–4 times greater than in males, although the disease is less severe in females. …”
Get full text

Single-frame structured illumination microscopy for fast live-cell imaging by Hanmeng Wu, Yueming Li, Yile Sun, Lu Yin, Weiyun Sun, Zitong Ye, Xinxun Yang, Hongfei Zhu, Mingwei Tang, Yubing Han, Cuifang Kuang, Xu Liu

“…Temporal resolution is improved nine times, and photobleaching is reduced by 2.4 times compared to conventional 2D-SIM. Based on this, we observed the fast dynamics of multiple subcellular structures and the dynamic interaction of two organelles. …”
Get full text

Anatomycal and histological structure of aortic valve in Baikal seal by Tarasevich V.N.

“…The thickness of the ventricular layer of the cusp is 2.4 times higher than the thickness of the aortic layer. …”
Get full text