mlsa-iai-msu-lab/ru_sci_bench_zho_cite_reranking huggingface dataset:
High-performance On-chip Micro-supercapacitors(MSCs)with Three-dimensional(3D)Nanostructures

In recent years,the attractive concept of smart life has undoubtedly provided opportunities for the development of micro-supercapacitors(MSCs). Among the current energy-storage devices used in integrated microelectronics applications,despite microbatte-ries endow a stable current supply or deliver a high peak current,micro-supercapacitors(MSCs)still hold several intrinsic advantages such as superior power densities,longer operating lifetime(>100 000 cycles),faster charge /discharge rates,wide working temperature range as well as desirable safety properties. Because of the limited area available for integrating components into small scale systems,areal performance properties(capacity,power and energy per footprint area)are more significant indicators than volumetric or gravimetric performance. However, the planar configuration determines whether the active materials of thin-film devices provide sufficient interfacial areas for energy storage,further affects MSCs'scalable production and broad applications. Enormous efforts have been devoted to optimize this configuration. For example,connecting MSCs in parallel efficiently endows the improvement of the delivered performance, but it deviates from the miniaturization purpose due to the increase of footprint area. Besides,fabricating three-dimensional(3D)architectures of MSCs with integrated asymmetric electrodes has been proved to be a promising strategy.
Pulse Characteristics of Cavityless Solid-State Laser

We propose a theoretical model (cavityless pulsed solid-state-laser theory) to analyze the pulse characteristics of cavity-less solid-state lasers. A high gain Nd:YVO_4 end-pumped cavityless laser system is adopted to verify the theoretical model. It shows that the performance of output energy and pulse width achieved in cavityless configuration is better than that in resonator configuration when the small-signal gain reaches the saturated level. The simulation results calculated by our theoretical model agree very well with the experimental results. This agreement proves the validity of our theoretical model, which has great importance for theoretical analyses of high gain pulsed laser.
Nonadiabatic and Multielectron Effects in the Attoclock Experimental Scheme

The problem of how long it takes for an electron to tunnel from one side of a barrier to the other has been debated for decades and the attoclock is a promising experimental procedure to address this problem. In the attoclock experiment, many physical effects will contribute to the experimental results and it is difficult to extract the tunneling time accurately. We numerically investigate a method of measuring the residual equivalent temporal offset (RETO) induced by the physical effects except for tunneling delay. The Coulomb potential effect, the nonadiabatic effect, the multielectron effect, and the Stark effect are considered in the theoretical model. It is shown that the ratio of the RETO of the target atoms to that of H is insensitive to the wavelength and is linearly proportional to (2I_p)~(–3/2). This work can help to improve the accuracy of the attoclock technique.
Improvement of Thermoelectric Performance in BiCuSeO Oxide by Ho Doping and Band Modulation

We try to use Ho doping combined with band modulation to adjust the thermoelectric properties for BiCuSeO. The results show that Ho doping can increase the carrier concentration and increase the electrical conductivity in the whole temperature range. Although Seebeck coefficient decreases due to the increase of carrier concentration, it still keeps relatively high values, especially in the middle and high temperature range. On this basis, the band-modulation sample can maintain relatively higher carrier concentration while maintaining relatively higher mobility, and further improve the electrical transporting performance. In addition, due to the introduction of a large number of interfaces in the band-modulation samples, the phonon scattering is enhanced effectively and the lattice thermal conductivity is reduced. Finally, the maximal power factor (PF) of 5.18 µW·cm~(-1)K~(-2) and the dimensionless thermoelectric figure of merits (ZT) of 0.81 are obtained from the 10% Ho modulation doped sample at 873 K.
Ferromagnetism in Layered Metallic Fe_(1/4)TaS_2 in the Presence of Conventional and Dirac Carriers

We present the microscopic origin of the ferromagnetism of Fe_(0.25)TaS_2 and its finite-temperature magnetic properties. The band structures of Fe_(0.25)TaS_2 are first obtained by the first-principles calculations and it is found that both conventional and Dirac carriers coexist in metallic Fe_(0.25)TaS_2. Accordingly, considering the spin-orbit coupling of Fe 3d ion, we derive an effective Ruderman–Kittle–Kasuya–Yosida-type Hamiltonian between Fe spins in the presence of both the conventional parabolic-dispersion and the Dirac linear-dispersion carriers, which contains a Heisenberg-like, an Ising-like and an XY-like term. In addition, we obtain the ferromagnetic Curie temperature T_c by using the cluster self-consistent field method. Our results could address not only the high ferromagnetic Curie temperature but also the large magnetic anisotropy in Fe_xTaS_2.
肺癌颞骨转移1例报告及文献复习

颞骨转移癌的发生率,文献报道[7-9]乳腺癌最多,其次为肾及肾上腺癌,支气管癌占第三位,但也有人认为[10,11]颞骨转移癌来源于支气管者占60%,乳腺癌占30%,其他部位(如肾、结肠、前列腺和睾丸的恶性肿瘤)占10%。颞骨转移最常见的耳科症状和体征是面神经麻痹(30.5%)和听力损失(30.5%)[12]。治疗上以综合治疗为主,全身化疗,局部可予放疗,辅以靶向药物治疗,预后较差。
Coupling Rice with Fish for Sustainable Yields and Soil Fertility in China

About 30 million hectares of rice are cultivated annually in China (FAOSTAT,2019).Because most rice fields are wellirrigated and suitable for fish living (‘fish’ here refers to various aquatic animals like carps,prawns,crabs,soft shell turtles,etc.) (Fernando,1993),many efforts have been made to determine how well rice farming and aquaculture can be coupled as a rice-fish system (RFS),of which the same land and water produces both rice and aquatic products.With the technological guidance of RFSs and political supports from the Ministry of Agriculture and Rural Affairs of China since 2010 (Supplemental Table 1),multiple types of large-scale,high-efficiency and technologically intensive RFSs are now being demonstrated in the main rice-growing areas of China (National Fisheries Technology Extension Centre,2019),and in total about 1.2 million hectares of rice fields are under RFSs.
Serum MiRNA as Predictive and Prognosis Biomarker in Advanced Stage Non-small Cell Lung Cancer in Indonesia

Background and objective Lung cancer is the most common cause of death in men in the world and in Indonesia where nonsmall cell carcinoma lung cancer (NSCLC) constitutes 85% of all lung cancer cases.The high mortality rate is due to a poor prognosis and is often diagnosed as having advanced stages.If it is known at the initial stage,the prognosis of lung cancer will be better.Prognosis can be predicted with a marker of prognostic biology,one of which is micro RNA (miRNA).This study aims to prove that serum miRNA can be predictive biological marker and prognosis in NSCLC patients in Indonesia.Methods This study was cohort retrospective among 52 subjects in "Dharmais" Hospital National Cancer Center.Sample was obtained from patients’ serum.MiR-34,miR-148,miR-155 and miR-222 serum are measured through Real-Time PCR (qPCR).Data were analyzed and interpreted with descriptive analysis,bivariate analysis (Mann Whitney-U for two type of variables or Kruskal-Wallis for more than two type of variables.Kaplan-Meier analysis was used to know association between characteristic which are sociodemographic,performance status,clinico-pathology,and survival rate in miRNA expression.Results From this study,miRNA expression:miR-34 (46.15%),miR-148 (23.08%),miR-155 (40.38%) and miR-222 (32.69%).Performance status score was statistically significant correlation with miR-148 (P=0.049) and miR-222 (P=0.018).High miR-34 is associated with multiple M1b metastatic type (P=0.020),cancer cell type (adenocarcinoma,P=0.009) and adenocarcinoma epidermal growth factor receptor (EGFR) mutation (negative,P=0.031).There was a significant correlation between the high miR-222 as a poor prognosis in advanced stage NSCLC with M1b metastasis (Median Survival/MS:27 d,P=0.049) and positive EGFR mutations (MS:74 d,P=0.049) and correlation of miR-155 with adenocarcinoma (MS:69 d,P=0.034) and positive EGFR gene mutations (MS:58 d,P=0.023).Conclusion High miR-34 expression in advanced stage NSCLC is the predictive factor for multiple metastatic,adenocarcinoma cell type and adenocarcinoma negative EGFR mutation.High expression of miR-155 and miR-222 are poor prognoses,especially high miR-222 found in metastasis M1b and positive EGFR mutation and miR-155 found in adenocarcinoma and positive EGFR gene mutations.Further studies regarding correlation between miRNA and survival rate are needed.
高龄患者人工髋关节置换术后急性精神障碍的原因分析及对策

[目的]总结高龄人工髋关节置换术后急性精神障碍的原因及护理对策。[方法]对2013年1月~2019年5月在本院行人工全髋关节置换术(包括人工全髋关节置换术、人工股骨双动头置换术)的75岁以上出现术后急性精神障碍患者的护理方法进行总结。[结果]通过围手术期有效的系统管理,加强吸氧、监护、改善睡眠环境,积极治疗原发病等综合治疗措施,36例均未发生并发症及后遗症。[结论]多学科密切协作,术前充分评估,可以降低术后急性精神障碍的发病率,降低因急性精神障碍而导致的并发症及不良后果。
Bimetallic Sulfide/Sulfur Doped T_3C_2T_x MXene Nanocomposites as High-performance Anode Materials for Sodium-ion Batteries

The application of transition metal dichalcogenides(TMDs) as anode materials in sodium-ion batteries (SIBs) has been hindered by low conductivity and poor cyclability. Herein, we report the synthesis of Co_xFe_(1-x)S_2 bimetallic sulfide/sulfur-doped Ti_3C_2 MXene nanocomposites(Co_xFe_(1-x)S_2@S-Ti_3C_2) by a facile co-precipitation process and thermal-sulfurization reaction. The interconnected 3D frameworks consisting of MXene nanosheets can effectively buffer the volume change and enhance the charge transfer. In particular, sulfur-doped MXene nanosheets provide rich active sites for sodium storage and restrain sulfur loss during charging/discharging processes, leading the increase of specific capacity and cycling the stability of anode materials. As a result, Co_xFe_(1-x)S_2@S-Ti_3C_2 anodes exhibited high capacity, high rate capability and long cycle life(399 mA h/g at 5 A/g with an 94% capacity retention after 600 cycles).
Toward Practical All-solid-state Batteries with Sulfide Electrolyte: A Review

Sulfide-based solid-state electrolytes with ultrahigh lithium ion conductivities have been considered as the most promising electrolyte system to enable practical all-solid-state batteries. However, the practical applications of the sulfide-based all-solid-state batteries are hindered by severe interfacial issues as well as large-scale material preparation and battery fabrication problems. Liquid-involved interfacial treatments and preparation processes compatible with current battery manufacturing capable of improving electrode/electrolyte interface contacts and realizing the mass production of sulfide electrolytes and the scalable fabrication of sulfide-based battery component have attracted considerable attention. In this perspective, the current advances in liquid-involved treatments and processes in sulfide-based all-solid-state batteries are summarized. Then relative chemical mechanisms and existing challenges are included. Finally, future guidance is also proposed for sulfide-based batteries. Focusing on the sulfide-based all-solid-state batteries, we aim at providing a fresh insight on understandings towards liquid-involved processes and promoting the development of all-solid-state batteries with higher energy density and better safety.
经皮全脊柱内镜技术在脊柱疾病的应用进展

近年来,经皮全脊柱内镜技术因具有微创、高效等特点,逐渐被脊柱外科医生学习采用,同时更多地受到了广大患者的关注,其适应证也逐步扩大。2010年在美国脊柱内镜手术占所有脊柱手术总数的1/6,到了2016年则是1/3,预计2020年可以达到1/2。而在我国,2016年脊柱内镜手术约占全部脊柱手术的10%,并且这一比例正在快速增长。该技术之所以发展迅猛,在于与传统脊柱开放手术相比,术中肌肉组织不会遭到大量破坏,不需要破坏关节突关节和椎板,减少牵拉神经根和硬脊膜囊,能够最大地保证脊柱手术节段的稳定性,减少因为脊柱不稳等原因导致的长期疼痛不适等并发症的发生。正是该技术具有创伤小、术后恢复快、保证脊柱稳定性等优势,现在已经成为治疗脊柱退变性疾病的主流技术。脊柱内镜技术起源于1975年Hijikata在X线透视下经皮穿刺对腰椎间盘进行减压,治疗腰椎间突出症。随后2000年Yeung研制出单纯同轴脊柱内镜系统(yeung endoscopic spine system,YESS),被认为是现代经皮脊柱内镜技术的基础。2006年Hoogland等对该系统进行改良,后续经多位医者不断更新设备以及技术的日臻完善,使得脊柱内镜技术不单应用于腰椎间盘突出症,其适应证日渐扩大,扩展到治疗颈椎病、胸椎间盘突出症、慢性腰痛、椎管狭窄、椎间不稳及脊柱感染等疾病。
Soil organic carbon and phosphorus availability regulate abundance of culturable phosphate-solubilizing bacteria in paddy fields

Low availability of phosphorus (P) is a major constraint for optimal crop production,as P is mostly present in its insoluble form in soil.Therefore,phosphate-solubilizing bacteria (PSB) from paddy field soils of the Indo-Gangetic Plain,India were isolated,and their abundance was attempted to be correlated with the physicochemical characteristics of the soils.Ninety-four PSB were isolated on Pikovskaya’s agar medium,and quantitative phosphate solubilization was evaluated using NBRIP medium.The isolates solubilized P up to a concentration of 1 006 μg mL~(-1) from tricalcium phosphate with the secretion of organic acids.These isolates were identified by 16S rRNA gene sequence comparison,and they belonged to Gammaproteobacteria (56 isolates),Firmicutes (28 isolates),Actinobacteria (8 isolates),and Alphaproteobacteria (2 isolates).Phylogenetic analysis confirmed the identification by clustering the isolates in the clade of the respective reference organisms.The correlation analysis between PSB abundance and physicochemical characteristics revealed that the PSB population increased with increasing levels of soil organic carbon,insoluble P,K~+,and Mg~(2+).The promising PSB explored in this study can be further evaluated for their biofertilizer potential in the field and for their use as potent bio-inoculants.
级联1,3-氧烯丙基化/Cope重排实现手性四取代烯烃立体发散性合成

有机化合物的性质通常与其结构息息相关,而对于含有多个立体元素的化合物,不同的异构体往往有着不同的生理活性和合成应用.因此立体发散性合成策略即利用相同或类似的起始原料,通过调节催化条件实现目标化合物的多个异构体的快速合成在近年来受到科研人员的广泛关注.但目前通过不对称催化的方法实现多个异构体的立体选择性的精细调控仍非常具有挑战性.最近化学家们采用不同催化策略或调节反应条件,成功实现了多类含有两个手性中心化合物的立体发散性合成.而对于包含C=C双键Z/E结构化合物的立体发散性合成则鲜有报道.四取代烯烃作为一种重要的结构骨架广泛存在于众多化合物中,发展高效高选择性的构建策略一直以来都是有机合成领域的研究热点.
Chemical fixation of toxic metals in stainless steel pickling residue by Na_2S·xH_2O, FeSO_4·6H_2O and phosphoric acid for beneficial uses

The leaching concentrations of different metals in stainless steel pickling residue (SSPR) were determined and the toxic metals were treated using Na_2S·xH_2O, FeSO_4·6H_2O, and phosphoric acid. A modified European Community Bureau of Reference (BCR) sequential extraction was used to identify the speciation of the concerned metals. Results showed that SSPR contains a large amount of Ca (58.41%), Fe (29.44%), Cr (3.83%), Ni (2.94%), Mn (2.82%) and some of Al, Cu, Mg, Zn. Among them, Cr and Ni were the most toxic metals in SSPR, thus the raw SSPR falls into hazardous waste category due to the leaching amount of Cr. In addition, the leached Cr was identified as Cr~(6+) (MgCrO_4) in the waste. BCR test revealed that risk assessment code (RAC) of Cr and Ni were 33.29% and 61.7%, indicating they posed "high" and "very high" risk to the environment, respectively. After fixing by Na_2S·xH_2O and FeSO_4·6H_2O, the leaching concentrations of Cr and Ni were less than 1.5 and 0.5 mg/L, respectively. After fixing by Na_2S·xH_2O and FeSO_4·6H_2O the treated SSPR can be safely reused as roadbed materials, concrete and cement aggregates. This study provides a useful implication in treatment and beneficial reuse of heavy metal-containing hazardous wastes.
Influence of environmental factors on arsenic accumulation and biotransformation using the aquatic plant species Hydrilla uerticillata

Hydrilla verticillata (waterthyme) has been successfully used for phytoremediation in arsenic (As) contaminated water. To evaluate the effects of environmental factors on phytoremediation, this study conducted a series of orthogonal design experiments to determine optimal conditions, including phosphorus (P), nitrogen (N), and arsenate (As(V)) concentrations and initial pH levels, for As accumulation and biotransformation using this aquatic plant species, while also analyzing As species transformation in culture media after 96-hr exposure. Analysis of variance and the signal-to-noise ratio were used to identify both the effects of these environmental factors and their optimal conditions for this purpose. Results indicated that both N and P significantly impacted accumulation, and N was essential in As species transformation. High N and intermediate P levels were critical to As accumulation and biotransformation by H. uerticillata, while high N and low P levels were beneficial to As species transformation in culture media. The highest total arsenic accumulation was (197.2 ± 17.4) μg/g dry weight when As(V) was at level 3 (375 μg/ L), N at level 2 (4 mg/L), P at level 1 (0.02 mg/L), and pH at level 2 (7). Although H. verticillata is highly efficient in removing As(V) from aquatic environments, its use could be potentially harmful to both humans and the natural environment due to its release of highly toxic arsenite. For cost-effective and ecofriendly phytoremediation of As-contaminated water, both N and P are helpful in regulating As accumulation and transformation in plants.
The effect of dissolved oxygen concentration on long-term stability of partial nitrification process

Dissolved oxygen (DO) concentration is regarded as one of the crucial factors to influence partial nitrification process. However, achieving and keeping stable partial nitrification under different DO concentrations were widely reported. The mechanism of DO concentration influencing partial nitrification is still unclear. Therefore, in this study two same sequencing batch reactors (SBRs) cultivated same seeding sludge were built up with realtime control strategy. Different DO concentrations were controlled in SBRs to explore the effect of DO concentration on the long-term stability of partial nitrification process at room temperature. It was discovered that ammonium oxidation rate (AOR) was inhibited when DO concentration decreased from 2.5 to 0.5 mg/L. The abundance of Nitrospira increased from 10~(11.5) to 10~(13.7) copies/g DNA, and its relative percentage increased from 0.056% to 3.2% during 190 operational cycles, causing partial nitrification gradually turning into complete nitrification process. However, when DO was 2.5 mg/L the abundance of Nitrospira was stable and AOB was always kept at 10~(10.7) copies/g DNA. High AOR was maintained, and stable partial nitrification process was kept. Ammonia oxidizing bacteria (AOB) activity was significantly higher than nitrite oxidizing bacteria (NOB) activity at DO of 2.5 mg/L, which was crucial to maintain excellent nitrite accumulation performance.
Mesoporous cobalt monoxide-supported platinum nanoparticles: Superior catalysts for the oxidative removal of benzene

Mesoporous Co_3O_4 (meso-Co_3O_4)-supported Pt (0.53 wt.% Pt/meso-Co_3O_4) was synthesized via the KIT-6-templating and polyvinyl alcohol (PVA)-assisted reduction routes. Mesoporous CoO (meso-CoO) was fabricated through in situ reduction of meso-Co_3O_4 with glycerol, and the 0.18-0.69 wt.% Pt/meso-CoO samples were generated by the PVA-assisted reduction method. Meso-Co_3O_4 and meso-CoO were of cubic crystal structure and the Pt nanoparticles (NPs) with a uniform size of ca. 2 nm were well distributed on the meso-Co_3O_4 or meso-CoO surface. The 0.56 wt% Pt/meso-CoO (0.56Pt/meso-CoO) sample performed the best in benzene combustion (T_(50%) = 156°C and T_(90%)= 186 °C at a space velocity of 80,000 mL/(g h)). Introducing water vapor or CO_2 with a certain concentration led to partial deactivation of 0.56 Pt/meso-CoO and such a deactivation was reversible. We think that the superior catalytic activity of 0.56 Pt/meso-CoO was intimately related to its good oxygen activation and benzene adsorption ability.
Acceleration of floc-water separation and floc reduction with magnetic nanoparticles during demulsification of complex waste cutting emulsions

Waste cutting emulsions are difficult to treat efficiently owing to their complex composition and stable emulsified structure. As an important treatment method for emulsions, chemical demulsification is faced with challenges such as low flocs-water separation rates and high sludge production. Hence, in this study, Fe_3O_4 magnetic nanoparticles (MNPs) were used to enhance chemical demulsification performance for treating waste cutting emulsions under a magnetic field. The addition of MNPs significantly decreased the time required to attain sludge-water separation and sludge compression equilibrium, from 210 to 20 min. In addition, the volume percentage of sludge produced at the equilibrium state was reduced from 45% to 10%. This excellent flocculation-separation performance was stable over a pH range of 3-11. The magnetization of the flocculants and oil droplets to form a flocculant-MNP-oil droplet composite, and the magnetic transfer of the composite were two key processes that enhanced the separation of cutting emulsions. Specifically, the interactions among MNPs, flocculants, and oil droplets were important in the magnetization process, which was controlled by the structures and properties of the three components. Under the magnetic field, the magnetized flocculant-MNP-oil droplet composites were considerably accelerated and separated from water, and the sludge was simultaneously compressed. Thus, this study expands the applicability of magnetic separation techniques in the treatment of complex waste cutting emulsions.
Impact Toughness of Heat-Aff ected Zones of 11Cr Heat-Resistant Steels

Aiming at the requirements of structural steel in Gen-IV nuclear reactor, the high-chromium martensitic heat-resistant steels containing 10-12% chromium were developed. The toughness of heat-aff ected zones (HAZs) is one of the important factors for evaluating the weldability of steels. In this paper, the simulated HAZs were fabricated using tempered SIMP steels. The eff ects of microstructures on the impact toughness of materials were analyzed using Vickers hardness tester, optical microscope, transmission electron microscope. Experimental results demonstrated that the HAZs of weldment were poor in toughness, much lower than that of the base metal. However, after experiencing post-weld heat treatment, the toughness of the HAZs increased greatly. The toughness became better in terms of CG-HAZ, FG-HAZ and IC-HAZ for the two steels, regardless of as-welded or after PWHT. Compared with SIMP7 steel, chemical compositions, such as C, Si, Mn and Cr, were adjusted to a lower content; the toughness of base metal and simulated HAZs was better in the case of SIMP11. The conjunct roles of dislocation density and carbon contents retained in the martensite led to poor impact toughness of the aswelded HAZs, because dislocations and carbon atoms aff ected the inner stresses within lattices.
疫情与国家治理现代化-新冠肺炎疫情的危中之机———加速我国数字化转型

新冠肺炎疫情的爆发与蔓延,给我国经济社会活动带来巨大挑战。历史经验多次表明,危中有机,每一次重大突发公共危机往往孕育着新的增长机会。疫情大考之下,在线办公、在线教育、智能制造和大数据科研等更加深入和广泛地推广。新冠肺炎疫情正在一定程度上加快推进我国经济社会的数字化转型。
Dehydrogenation characteristics of ZrC-doped LiAlH_4 with different mixing conditions

The catalytic effects of ZrC powder on the dehydrogenation properties of LiAlH_4 prepared by designed mixing processes were systematically investigated.The onset dehydrogenation temperatures for the 10 mol% ZrC-doped sample are 85.3 and 148.4 °C for the first two dehydrogenation stages,decreasing by 90.7 and 57.8 °C,respectively,compared with those of the as-received LiAlH_4.The isothermal volumetric measurement indicates that adding ZrC powder could significantly enhance the desorption kinetics of LiAlH_4.The reaction constant and Avrami index show that the first dehydrogenation stage is controlled by diffusion mechanism with nucleation rate gradually decreasing and the second stage is a freedom nucleation and subsequent growth process.The microstructures and phase transformation characterized by scanning electron microscopy(SEM),X-ray diffraction(XRD),X-ray photoelectron spectroscopy(XPS)and Fourier transform infrared spectroscopy(FTIR)reveal that the improved desorption behavior of LiAlH_4 is primarily due to the high density of surface defects and embedded catalyst particles on the surface of LiAlH_4 particles during the high-energy mixing process.