舞台地胶卷绕举升装置结构设计

舞台地胶是舞剧演出的重要辅助装置,对于非舞剧专用舞台来说,地胶的收卷与铺设是舞台技术人员的重要工作。由于地胶自身体积大,在收卷和铺设时需多名工作人员协作完成,效率较低;同时,由于地胶重量大,在搬运过程中很容易造成人员受伤,存在安全隐患。针对此问题,笔者根据多年工作经验,设计了一款能够实现将舞台地胶卷绕举升和码放功能的辅助机械装置,并校核关键零部件的强度,提出了关键零部件的结构优化方案。

让舞台搭建有更多可选项——“多功能地胶车研发”项目概述

《国家“十三五”时期文化发展改革规划纲要》中明确提出“强化文化科技支撑”的要求。科学技术与舞台艺术的融合已经成为演艺行业发展的主旋律。目前,国内外各大多功能剧场不同类型的剧目交叉演出,使舞剧等有大量肢体动作的演出中专用舞蹈地胶不得不采用活动式安装,且大多由人工完成铺卷、码放地胶的工作。文章对“多功能地胶车研发”项目进行概述,指出多功能地胶车的研发应用能够大大提高舞台演出行业装、拆台的效率,在一定程度上实现地胶铺设、收卷、存放的机械化与智能化,提高舞台管理的效率,优化舞台管理的环节和流程,确保舞台管理的质量和水平,有力推动演出行业复工复产,减少舞台搭建阶段人员聚集的现象,为现代化舞台搭建提供更多可选项。

卷材地胶地面施工技术研究

结合目前市场行业地胶地面的广泛应用,介绍了地胶地面的特点、适用范围、工艺原理,深入探讨了地胶地面的施工工艺流程及操作要点,提出了地胶地面施工的质量要求及成品保养方法,从而推广地胶地面在工程中的应用。为以后地胶地面施工技术积累及经验,为后期此类工艺施工储备技术力量。

地奥心血康软胶囊在经心脏核磁共振检查的冠心病微循环障碍中的应用分析

目的 探讨地奥心血康软胶囊在经心脏核磁共振检查的冠心病微循环障碍患者中的疗效分析。方法 选取2020年1月-2022年3月在阜阳市人民医院就诊的冠心病微循环障碍患者88例作为研究对象,按随机数字法分为观察组和对照组各44例,对照组以常规西药治疗,观察组在对照组基础上加服地奥心血康软胶囊。比较两组微循环障碍、心功能、生活质量、心理状态、不良反应。结果 随治疗时间的延长,观察组微循环障碍、心功能、生活质量、心理状态、不良反应均优于对照组(P<0.05)。结论 经心脏核磁共振检查的冠心病微循环障碍患者应用地奥心血康软胶囊可有效改善冠脉微循环障碍,同时还改善心功能,提高生活质量,减轻因疗程长所致的焦虑、抑郁情绪。

枣仁地黄胶囊的药理作用及治疗失眠共病研究进展

临床有关失眠的治疗复杂多变。目前口服药物仍然是失眠的主要治疗方法,用药的合理性和有效性是临床治疗的重点。针对失眠障碍的常用西药疗效显著,但存在诸多不良反应。中医学对失眠障碍的有关中药制剂的临床应用也很普遍。枣仁地黄胶囊由黄连、黄芩、地黄、白芍、五味子、炒酸枣仁组成,具有滋阴降火,养心安神等功效。临床主要用于阴虚火旺所致的失眠、多梦、心烦、抑郁等症。现对其中药成分的药理作用及临床治疗失眠共病研究进展进行综述。

新车装饰宜简不宜繁

和房屋装修一样，汽车装饰现在也是劲刮简约风。其实，国外车主一般是在订车时就选好配置，没有多少人拿到车后再自己做过多的装饰（汽车改装发烧友除外）。目前，国内的许多中高档轿车，出厂时各和配置也比较齐全，而价位相对较低的经济型轿车，只要装上防盗器，换个座套，铺上地胶、脚垫、再贴上膜也就基本OK了。至于椅垫、香水、小挂件只有些须点缀就可以了，否则杂乱无章非但没有品位，还会给行驶安全带来隐患。

Sandstone Diagenesis and Porosity Evolution of Paleogene in Huimin Depression

The sandstones of the paleogene in the Huimin Depression have undergone numerous diagenetic processes, such as compaction, cementation, dissolution, metasomasis and recrystallization. The first three — compaction, cementation and dissolution — affect reservoir properties most intensively. An average porosity loss due to compaction is 0.78% per 100 meters, slightly higher in the central and southern parts and lower in the northern. Cementation has resulted in the porosity loss from 8% to 20% at a depth below 1,500 meters. Dissolution, which in most cases is the dissolution of feldspar and of carbonate cement, primarily occurs in two depth intervals, from 1,400 to 2,500 meters and 2,700 to 4,000 meters respectively. New porosity is created through dissolution from 4% to 14%. The sandstones experienced stage A and stage B of early diagenesis and stage A of late diagenesis. At present, most of them are experiencing Phase A2 of late diagenesis. The types of pores in the sand reservoir can be grouped into primary and secondary ones.

新车装饰当心误区

新车不必铺地胶 新车铺装地胶后清洁车厢更加容易,受到很多车主的青睐。但地胶防水不透气,一旦有水进入车内地板和地胶之间,难以及时发现,几个月后,很容易将车内地板腐蚀。所以新车不必铺地胶,花几十元买一套脚垫放在车里,洗车时拿出来清洁一下就行了。冬季可以选择绒脚垫,夏季可从选择橡胶脚垫。

“画蛇添足”不可为

“装修”这个词在现代的生活中使用的频率很高，人们也非常热衷于各种装修工程。买了新房子要装修，房子用旧了要装修，开个新公司要装修，林林总总，让人感觉装修无所不在，这股装修潮同样席卷了汽车。

Quaternary glacio-erosional landforms in Laoshan Mountain and their constraints on the origin of Jiaozhou Bay, Qingdao, east of China

A field investigation on Quaternary glacial landforms in Laoshan Motmtain has discovered many glacial potholes, scouring grooves on top of granite ridges, and large boulders. These erosional landforms were formed by the meltwater from the overlying ice cap, suggesting that there was at least an ice cap covering Laoshan Mountain and the surrounding areas or even a continental ice sheet over the vast area of Shandong Province in the Late Pleistocene. The ice sheet was obstructed by the Laoshan Mountain, Dazhu Mountain and Xiaozhu Mountain in the coastal areas as it moved toward the Yellow Sea. The ice flows eroded the bedrock and carved the weak intersection of the fault systems in the NE and NW directions into a deep channel, which gradually formed a fjord in the area of the Jiaozhou Bay basin by 20.00 ka BE The seawater gradually invaded the fjord from the beginning of the Holocene （11.00 ka BP） and Jiaozhou Bay was eventually formed. Similar fjords are easily found along the east of China and they share a similar origin because of the Quaternary glaciation in the region.

Support technology for mine roadways in extreme weakly cemented strata and its application

For the engineering geology conditions of bad mine roadway roof and floor lithology in extremely weak cemented strata, the best section shape of the roadway is determined from the study of tunnel surrounding rock displacement, plastic zone and stress distribution in rectangular, circle arch and arch wall sections, respectively. Based on the mining depth and thickness of the coal seam, roadway support technology solutions with different buried depth and thickness of coal seam are proposed. Support schemes are amended and optimized in time through monitoring data of the deformation of roadway, roof separation, l-beam bracket, bolt and anchor cable force to ensure the long-term stability and security of the roadway surrounding rock and support structure. The monitoring results show that mine roadway support schemes for different buried depth and section can be adapted to the characteristics of ground pressure and deformation of the surrounding rock in different depth well, effectively control the roadway surrounding rock deformation and the floor heave and guarantee the safety of construction and basic stability of surrounding rock and support structure.

The research on the thermal destruction of environment and controlling techniques of the No.4 outcrops fire in Haibaoqing

The coal fire is one of very serious disasters in natural, not only amount of coal resources was burned and some ecological environment problems such as ground subsidence, acid rain, pollution and vegetation died were caused serious. The No.4 coal seam outcrops fire in Haibaoqing was take as research object, based on the existing theory of mechanism and characteristics of coal outcrop fires, a new fire-fighting composite gel is applicated which fits in with extinguishment of outcrop coal fires well. The technology has many advantages in extinguishing coal fires including isolating the coal from oxygen and lowering the temperature of the high-temperature coal and rock. The structure and chemical composition as well as fires-fighting properties of the composite gel is analyzed profoundly, as a result, reduce and stop the environment destruction caused by the coal fire.

Quantifying the impacts of fire aerosols on global terrestrial ecosystem productivity with the fully-coupled Earth system model CESM

Fire is a global phenomenon and a major source of aerosols from the terrestrial biosphere to the atmosphere.Most previous studies quantified the effect of fire aerosols on climate and atmospheric circulation,or on the regional and site-scale terrestrial ecosystem productivity.So far,only one work has quantified their global impacts on terrestrial ecosystem productivity based on offline simulations,which,however,did not consider the impacts of aerosol–cloud interactions and aerosol–climate feedbacks.This study quantitatively assesses the influence of fire aerosols on the global annual gross primary productivity(GPP)of terrestrial ecosystems using simulations with the fully coupled global Earth system model CESM1.2.Results show that fire aerosols generally decrease GPP in vegetated areas,with a global total of−1.6 Pg C yr^−1,mainly because fire aerosols cool and dry the land surface and weaken the direct photosynthetically active radiation(PAR).The exception to this is the Amazon region,which is mainly due to a fire-aerosol-induced wetter land surface and increased diffuse PAR.This study emphasizes the importance of the influence of fire aerosols on climate in quantifying global-scale fire aerosols’impacts on terrestrial ecosystem productivity.

A Simple and Rapid Colloidal Gold-based Immunochromatogarpic Strip Test for Detection of FMDV Serotype A

A sandwich format immunochromatographic assay for detecting foot-and-mouth disease virus (FMDV) serotypes was developed. In this rapid test,affinity purified polyclonal antibodies from Guinea pigs which were immunized with sucking-mouse adapted FMD virus (A/AV88(L) strain) were conjugated to colloidal gold beads and used as the capture antibody,and affinity purified polyclonal antibodies from rabbits which were immunized with cell-culture adapted FMD virus (A/CHA/09 strain) were used as detector antibody. On the nitrocellulose membrane of the immunochromatographic strip,the capture antibody was laid on a sample pad,the detector antibody was printed at the test line(T) and goat anti-guinea pigs IgG antibodies were immobilized to the control line(C). The lower detection limit of the test for a FMDV 146S antigen is 11.7ng/ml as determined in serial tests after the strip device was assembled and the assay condition optimization. No cross reactions were found with FMDV serotype C,Swine vesicular disease (SVD),Vesicular stomatiti svirus (VSV) and vesicular exanthema of swine virus (VES) viral antigens with this rapid test. Clinically,the diagnostic sensitivity of this test for FMDV serotypes A was 88.7% which is as same as an indirect-sandwich ELISA. The specificity of this strip test was 98.2% and is comparable to the 98.7% obtained with indirect-sandwich ELISA. This rapid strip test is simple,easy and fast for clinical testing on field sites; no special instruments and skills are required,and the result can be obtained within 15 min. To our knowledge,this is the first rapid immunochromatogarpic assay for serotype A of FMDV.

Observations of Aerosol Optical Properties in the Beijing Urban Area in Summer

To investigate aerosol optical properties in the Beijing metropolitan area, aerosol absorption coefficient （Ab）, scattering coefficient （So）, and fine particulate matter （PM2.5） were measured in the Beijing urban area from 20 May to 30 August 2009. The average Ab, So, single scat- tering albedo （SSA）, and PM2.5 concentration were 58.0±39.5 M m^-1, 343.5±353.7 M m 1, 0.80±0.10 and 63.6＋50.0 μg m^-3, respectively, during the observation period. Ab, Sc, and SSA all showed single peak diurnal variations, with their maximum values being measured at 0500, 1000, and 1300 local time, respectively. Ab and Sc had a strong positive correlation with PM2.5, and Ab, Sc, and PM25 all had positive correlations with relative humidity and negative correlations with wind speed.

Plastic zone analysis and support optimization of shallow roadway with weakly cemented soft strata

Based on a shallow roadway with weakly cemented soft strata in western China, this paper studies the range and degree of plastic zones in soft strata roadways with weak cementation. Geological radars were used to monitor the loose range and level of surrounding rocks. A mechanical model of weakly cemented roadway was established, including granular material based on the measured results. The model was then used to determine the plastic zone radium. The predicted results agree well with measured results which provide valuable theoretical references for the analysis of surrounding rock stability and support reinforcing design of weakly cemented roadways. Finally, a combined supporting scheme of whole section bolting and grouting was proposed based on the original supporting scheme. It is proved that this support plan can effectively control the deformation and plastic zone expansion of the roadway surrounding rock and thus ensure the long-term stable and safe mining.

An Evidence of Aerosol Indirect Effect on Stratus Clouds from the Integrated Ground-Based Measurements at the ARM Shouxian Site

The aerosol effect on clouds was explored using remote sensing of aerosol and cloud data at Shouxian, China. Non-precipitation, ice-free, and overcast clouds were firstly chosen by a combination of sky im- ages from the Total Sky Imager （TSI）, cloud base heights from the Ceilometer, and vertical temperature profiles from the Balloon-Borne Sounding System （BBSS）. Six cases were chosen in summer, and seven in autumn. The averaged cloud effective radii （re）, cloud optical depth （COD）, aerosol total light scattering coefficient （a）, and liquid water path （LWP） are, respectivey, 6.47 μm, 35.4, 595.9 mm-1, 0.19 mm in summer, and 6.07 μm, 96.0, 471.7 mm-1, 0.37 mm in autumn. The correlation coefficient between re and tc was found to change from negative to positive value as LWP increases.

The Different Effects of Sea Surface Temperature and Aerosols on Climate in East Asia During Spring

In this study, we used the NCAR CAM3.0 model to study the climate effects of both decadal global Sea Surface Temperature(SST) changing and the increasing aerosol concentration in East Asia in boreal spring. In the decadal SST changing experiment, a prominent sea surface cyclone anomaly occurred west of the Northwest Pacific warming SST. The cyclone anomaly is conductive to anomalous rising motion and more rainfall over the Northwest Pacific and southeast coast areas of China, but less rainfall in central China. Caused by the only aerosol concentration increasing, the change of climate in East Asia is totally different from that induced by the regime shift of SST around 1976/77 with the same model. The sulfate and black carbon aerosol concentrations were doubled respectively and synchronously in East Asia(20?–50?N, 100?–150?E) to investigate the climate effects of these two major aerosol types in three experiments. The results show that, in all three aerosol concentration changing experiments, the rainfall during boreal spring increases in North China and decreases in central China. It's worth noting that in the DTWO experiment, the rainfall diminishes in central China while it increases in the north and southeast coast areas of China, which is similar to observations. From the vertical profile between 110?E and 120?E, it is found that sulfate and black carbon aerosols first change the temperature of lower troposphere owing to their direct radiative effect, and then induce secondary meridional circulation anomaly through the different dynamic mechanisms involved, and at last generate precipitation and surface temperature anomalous patterns mentioned above.

Detecting Aerosols over Land from Satellites by Measuring Far IR Radiation from the Earth-Atmospheric System

In this study, a special method is proposed for detecting aerosols over land by analyzing satellitemeasured far IR radiation at three channels, 8.7, 11.5, and 12.5 lain. Sensitivity tests revealed that the behavioral features of radiative brightness temperatures （BTs） at these three channels with increasing optical depth are different among different types of aerosols. Analyzing how BTs and their differences, xBT （BT11.5-BT12.5） and YBT （BT8.7-BT11.5）, behave with varying optical depth can help to qualitatively distinguish among aerosols and semi-quantitatively estimate their optical thicknesses. In addition, the authors found that the vertical density profile of aerosols has little impact on this method.