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摘要： The IMF's latest forecast for the global economy puts 2022 growth at just 3.6 percent,with factors such as the Russia-Ukraine conflict,higher inflation,rising food insecurity,and increased fuel prices weighing on growth.The World Bank has also revised some of its projections due to conflict related price increases,raising 2022 inflation forecasts to 5.7 percent in advanced economies and 8.7 percent in developing economies,a 1.8 and 2.8 percentage-point increase respectively from a January projection.

摘要： The Lower Se San 2 Dam(LSS2),a 6.5-kilometer-long hydroelectric dam on the Se San River in Cambodia’s Stung Treng Province,is the largest hydropower project in the country and the longest dam in Asia,which created a giant 330-squarekilometer reservoir.The unpredictable flow of the Se San River is ideal for the dam to generate electricity and regulate downstream flow.As a key project that integrates China’s Belt and Road Initiative(BRI)with Cambodia’s Rectangular Strategy,the dam is operated by Hydro Power Lower Se San 2 Co.Ltd.,a joint venture between the Royal Group of Cambodia and Hydrolancang International Energy,a subsidiary of China Huaneng Group.The project has been providing strong energy support for Cambodia’s economic and social development.

摘要： The article[Predicting June Mean Rainfall in the Middle/Lower Yangtze River Basin],written by[Gill M.MARTIN,Nick J.DUNSTONE,Adam A.SCAIFE,and Philip E.BETT],was originally published electronically on the publisher’s internet portal on[10 December 2019]without open access.

摘要： To reduce Chloroquine’s (CQ) side effects, so that increasing its duration for anti-Covid-19 trials could be safe, the drug was potentiated by stabilizing it with Medicinal synthetic Aluminum-magnesium silicate (MSAMS). CQ-treatment for five Plasmodium berghie-infected mice-groups were: 7 mg/kg (normal dose);7 mg/kg (CQ-MSAMS);7 mg/kg (CQ-MSAMS + B-vitamins), 5.25 mg/kg (CQ-MSAMS + B-vitamins) and the control. Means of parasitaemia, 42.00 ± 15.74 of the normal-dose group, 37.22 ± 11.88 of the 7 mg/kg (CQ-MSAMS) group and 33.57 ± 12.62 of the 7 mg/kg (CQ-MSAMS + B-vitamins) group showed no significant (P ≥ 0.05) reduction from 52.50 ± 11.99 of the control, but the 5.25 mg/kg (CQ-MSAMS + B-vitamins) dose, cleared (P ≤ 0.01) the parasiteamia (00.00 ± 00.00), showing that MSAMS-potentiated Chloroquine, has best efficacy at 75% of the recommended dose. Fever and anemia were absent at that 5.25 mg/kg, suggesting that lower doses of CQ have reduced side effects.

摘要： Aim and Objectives: This study aimed to record the commonly affected veins in the lower limbs, to compare the affected sides and gender and to correlate the Doppler findings and stages of deep venous thrombosis (DVT). Materials and Methods: A descriptive retrospective study of 46 already diagnosed cases of lower limb DVT. Results: Out of 46 cases of DVT, 71.74% were females. The majority of patients (93.47%) were affected in unilateral lower limb with significant predominance (65.22%) to affect the left lower limb (p Conclusion: Lower limb deep venous thrombosis affects left lower limb more than right and females more than males. Superficial femoral vein (SFV) and common femoral vein (CFV) are the most common affected veins. Lower limb DVT predominantly present in acute stage with venous distension and absent blood flow.

摘要： BACKGROUND The recent federal ruling to against Affordable Care Act(ACA), specifically the mandate requiring people to buy insurance, has once again brought the healthcare reform debate to the spotlight. The ACA increased the number of insured Americans through the development of subsidized healthcare plans and health insurance exchanges. Insurance-based differences in the rate of upper extremity elective orthopaedic surgery have been described before and after healthcare reform in Massachusetts, where a similar mandate was put into place years before the ACA was passed. However, no comprehensive study has evaluated insurance-based differences of knee elective surgery before and after reform.AIM To investigate how an individual mandate to purchase health insurance affects rates of knee surgery.METHODS A retrospective review was performed within an orthopaedic surgery department at a tertiary-care, academic medical center in Massachusetts. The rate of elective knee surgery performed before and after the healthcare reform(2005-2006 and 2007-2010, respectively) was calculated. The patients were categorized by insurance type(Commonwealth Care, Medicare, Medicaid, private insurance,Workers' Compensation, TriCare, and Uninsured). Using χ2 testing, differences in rates of surgery between the pre-reform and post-reform period and among insurance subgroups were calculated.RESULTS Rate of surgery increased in the post-reform period(pre-reform 8.07%(95%CI:7.03%-9.11%), post-reform 9.38%(95%CI: 8.74%-10.03%)(P = 0.04) and was statistically significant. When the insurance groups and insurance types were compared, the rates of surgery are not significantly different before or after reform.CONCLUSION The increase in the rate of elective knee surgery in the post-reform period suggests that health care reform in Massachusetts has been successful in decreasing the uninsured population and may increase health care expenditures.This is a hypothesis generating study that suggests further avenues of study on how mandated coverage may change healthcare utilization and cost.

摘要： In this work, join and meet algebraic structure which exists in non-near-linear finite geometry are discussed. Lines in non-near-linear finite geometry ?were expressed as products of lines in near-linear finite geometry ?(where?p?is a prime). An existence of lattice between any pair of near-linear finite geometry ?of ?is confirmed. For q|d, a one-to-one correspondence between the set of subgeometry ?of ?and finite geometry ?from the subsets of the set {D(d)}?of divisors of d?(where each divisor represents a finite geometry) and set of subsystems {∏(q)}?(with variables in Zq) of a finite quantum system ∏(d)?with variables in Zd?and a finite system from the subsets of the set of divisors of d?is established.

摘要： BACKGROUND Respiratory syncytial virus(RSV) is a leading cause of lower respiratory infections among children.AIM To investigate the proportion of RSV and non-RSV respiratory viral infections among hospitalized children ≤ 5 years.METHODS Hospitalized children aged < 5 years, with a diagnosis of acute lower respiratory infections(ALRI), admitted between August 2011-August 2013, were included.Cases were defined as laboratory-confirmed RSV and non-RSV respiratory viruses by direct fluorescence assay from the nasopharyngeal wash.RESULTS Of 383 1-59 mo old children hospitalized with an acute lower respiratory infection, 33.9%(130/383) had evidence of viral infection, and RSV was detected in 24.5%(94/383). Co-infections with RSV and other respiratory viruses(influenza A or B, adenovirus, para influenza 1, 2 or 3) were seen in children 5.5%(21/383). Over 90% of the RSV-positive children were under 2 years of age. RSV was detected throughout the year with peaks seen after the monsoon season.Children hospitalized with RSV infection were more likely to have been exposed to a shorter duration of breastfeeding of less than 3 mo. RSV positive children had a shorter hospital stay, although there were significant complications requiring intensive care. Use of antibiotics was high among those with RSV and non-RSV viral infections.CONCLUSION Our study provides evidence of a high proportion of RSV and other virusassociated ALRI among hospitalized children in India. RSV infection was associated with fewer days of hospital stay compared to other causes of lower respiratory infections. A high level of antibiotic use was seen among all respiratory virus-associated hospitalizations. These results suggest the need for implementing routine diagnostics for respiratory pathogens in order to minimize the use of unnecessary antibiotics and plan prevention strategies among pediatric populations.

摘要： The alternating marine and nonmarine coal-bearing Lower Cretaceous successions are well developed in eastern Heilongjiang, northeastern China, including the Jixi Group in the west and the Longzhaogou Group in the east. The correlation of these two lithostratigraphic groups with the nonmarine Jehol Group is important for dating the exceptionally well-preserved Jehol Biota. The Early Cretaceous marine fossils recovered from eastern Heilongjiang include ammonites, bivalves, radiolarians, foraminifers and dinocysts. During the early Aptian transgression the ammonite fauna entered the Hulin and Mishan areas and the bivalve Aucellina fauna in the Jixi area. This enables correlation of the marine lower part of the Chengzihe Formation of the Jixi Group with the Qihulin Formation of the Longzhaogou Group.

摘要： In this paper we investigate the ionospheric turbulence from TEC observations before and during the intense seismic activity of October of 2018 at Zakynthos area (λ = 20.51°E, Φ = 37°34'N), (Main shock: ML 6.6, 60.6 km SW of Zakynthos). The Total Electron Content (TEC) data of 5 Global Positioning System (GPS) stations of the EUREF network, which are being provided by IONOLAB (Turkey), were analyzed using Discrete Fourier Analysis in order to investigate the TEC variations. The results of this investigation indicate that the High-Frequency limit fo, of the ionospheric turbulence band content, increases as the site and the moment of the earthquake occurrence are approaching, pointing to the earthquake locus. We conclude that the LAIC mechanism through acoustic or gravity wave could explain this phenomenology.

摘要： 本实用新型公开了一种半导体设备Lower shield装置部件洗净喷砂保护治具，包括第一保护面和第二保护面，所述第一保护面和第二保护面连接处构成一个凹槽，相对于手工胶带保护能够大幅度提高喷砂范围的精度。与现有技术相比，由于是治具保护，对于被保护的不锈钢部件表面不会留下残胶，污垢等副产物，洗净喷砂遮蔽保护治具可以重复利用，可代替手工胶带遮蔽部件的非喷砂区域，具有使用方便，精度高，可重复使用及节省人力及物料成本的特点。

摘要： 本实用新型公开了一种半导体设备PCXT装置Lower shield部件超高压冲洗治具，包括底座、部件支撑架和夹持装置，所述的夹持装置通过部件支撑架与底座连接，包括圆形放置面板和顶出装置，所述的顶出装置包括夹板、梯形螺杆和手轮，所述梯形螺杆通过T字钢固定在放置面板工作面边沿，梯形螺杆一端与手轮连接，另一端与夹板连接，本实用新型采用三爪旋转夹紧的方式不仅能满足不同尺寸规格产品的夹紧需求也可以保证夹紧的稳定性；手轮连接的螺杆是导程较高的梯形螺杆，这很好的解决了手轮旋紧过程中导程太小工作效率低的问题；跟部件接触的夹板采用的是特氟龙材质，且夹板内部做了圆弧凹槽可以提高和圆形部件的接触面积防止部件滑动。