思维过程外显的高中英语阅读教学实践

思维过程外显指对学生的思维过程进行引导,展现其思维的轨迹,将无形的思维过程呈现在有形的教学活动中。思维导图是帮助学生外显其思维过程的常见工具。在阅读教学中,教师可以设计画、说、议、写等学习活动,引导学生展现思维过程。学生在逐层深入的思维活动中,梳理文本结构,厘清逻辑关系,探究主题意义,迁移运用所学知识。

企业组织创新的内在逻辑过程研究——兼论组织创新的策略与管理

伴随企业改革的日益深化 ,企业组织创新研究开始为人们所普遍关注。本文从创新理论、组织理论和现代企业理论相结合的角度 ,对企业组织创新的内在逻辑过程进行研究 ,提出了包括显过程与隐过程在内的组织创新过程模式 ,并对其中主要环节进行了系统分析。

玉米灰斑病菌致病过程的寄主反应研究

通过对玉米灰斑病菌侵染后的显症过程的系统观察,可在组织水平上说明该病菌与寄主互作反应存在分化或多样性:玉米灰斑病菌不同菌株侵染后显症过程表现出明显的差异;玉米灰斑病菌在侵袭力上存在多样性,菌株间对同一种品种的致病性表现多样化,或者同一菌株对不同品种侵染引起的寄主反应表现为多样性;病斑反应型的分化,玉米灰斑病菌侵染玉米品种或自交系后,主要有7种病斑反应类型,即RH型(长矩形具褪绿晕圈病斑)、RN型(长矩形无褪绿晕圈病斑)、IRH型(不规则形具褪绿晕圈病斑)、IRN型(不规则形无褪绿晕圈病斑)、SH型(斑点形具褪绿晕圈病斑)、RI型(长矩形与不规则形混合病斑)和RS型(长矩形与斑点形混合病斑),若发病严重,病斑连成片,而且这些反应类型出现的频率也不同。

隐性思想政治教育过程探析

隐性思想政治教育作为思想政治教育的一种独特的存在类型,其实践过程既满足思想政治教育过程的一般规定性,又具有其自身独有的规定性。隐性思想政治教育过程,从教育者角度侧重于表现为一个"隐"过程,内涵"识隐"、"寓隐"、"践隐"等环节;从受教育者角度则侧重于表现为一个"显"过程,内涵"经验感知"、"体验体认"、"实践外化"等环节。这种"隐"过程与"显"过程的区分是相对的,不是绝对的,并且两者就其实质而言是一个过程的两个方面,彼此辩证统一,构成一个有机的整体,而并不构成彼此独立的两个过程。

有效成果展示 尽显探究魅力

综合实践课程的自主性、开放性、实践性等特点打破了传统的教学模式,更加强调学生的自主学习,强调学生回归自然与社会,重视学生的动手操作、主动探究和切身体验,这就决定了综合实践课程成果展示的特殊性。成果展示是综合实践活动学生实践效果的显现阶段,是学生最为关注的重要环节,而如今呈现在我们眼前的成果展示往往不是“一个人的独角戏”就是“繁华背后”的虚假现象,让我们的展示活动大打折扣,从而直接影响了课程实施的有效性。笔者结合自身教学实际认识到:要想让综合实践课程的成果展示更有效,需要教师的方法指导,需要学生的扎实活动,需要与信息技术的有机整合,需要凸显过程的隐性价值。

有效成果展示尽显探究魅力

综合实践课程的自主性、开放性、实践性等特点打破了传统的教学模式,更加强调学生的自主学习,强调学生回归自然与社会,重视学生的动手操作、主动探究和切身体验,这就决定了综合实践课程成果展示的特殊性。成果展示是综合实践活动学生实践效果的显现阶段,是学生最为关注的重要环节,而如今呈现在我们眼前的成果展示往往不是“一个人的独角戏”就是“繁华背后”的虚假现象,让我们的展示活动大打折扣,从而直接影响了课程实施的有效性。笔者结合自身教学实际认识到:要想让综合实践课程的成果展示更有效,需要教师的方法指导,需要学生的扎实活动,需要与信息技术的有机整合,需要凸显过程的隐性价值。

RESEARCH OF VOXELIZATION PROCESS IN SWEPT-VOLUME TECHNIQUE

Now the image display techniques have made great progress. The planar display and a fully new true 3-D volumetric display technique are rapidly researched and come into the application. A method based on the voxel makes the observer able to get a true 3-D effect freely without any additional facilities. This paper introduces the basic form of the swept-volume display technique and discusses its voxelization process. By the translational motion prototype, this paper emphasizes how to get the voxel mapping matrix. The translated image data are the data of the beam source deflections. Finally the voxel ordering and the optimizing are also discussed.

景观植被生态系统水平衡模拟与分析

景观或区域的水平衡状况是全球变化的重要指标。本研究建立了一个空间显式景观过程模型，模拟了长白山自然保护区的水循环过程，并对水分收入、支出和平衡的总体状况、季节动态和空间分布格局进行了分析。整个保护区单位面积上水分盈余0．225±0．255m·a^-1，总计盈余4．379×10^8m^3·a^-1，但空间变异相当大。阔叶红松林的水分有略微亏缺，其他类型植被生态系统每年均有不同程度的水分盈余。从总面积上看，云冷杉林每年的水分盈余最多（可达1．696×10^8m^3·a^-1），占整个保护区的40．56％。整个保护区6月水分亏缺最严重，7～8月水分盈余最多，3～4月盈余较多。阔叶红松林除3月外，其他各月的水分亏缺均最多或次多，其中7～8月的水分盈余最少。降水量对水分收入、水分支出和水平衡季节动态的影响均最大。总的来说，年水分盈余的空间分布随海拔升高呈明显增加的趋势。气象因子均对水平衡的空间分布有极显著影响，气温和总辐射较高的地带，水分盈余较少，甚至出现水分亏缺；而降水量、相对湿度和风速较高的地带，水分盈余也较多。水分收入与叶面积指数（LAD呈极显著负相关关系；而水分支出与LAI呈极显著正相关关系，主要受蒸腾量的影响。

Influence of thermomechanical processing on microstructure,texture evolution and mechanical properties of Al-Mg-Si-Cu alloy sheets

Influence of thermomechanical processing on the microstructure, texture evolution and mechanical properties of A1-Mg-Si-Cu alloy sheets was studied systematically. The quite weak mechanical properties anisotropy was obtained in the alloy sheet through thermomechanical processing optimizing. The highly elongated microstmcture is the main structure for the hot or cold-rolled alloy sheets. H {001 } （110） and E { 111 } （110） are the main texture components in the surface layer of hot-rolled sheet, while ]/-fibre is dominant in quarter and center layers. Compared with the hot-rolled sheet, the intensities offl-fibre components are higher after the first cold rolling, but H {001 }（110） component in the surface layer decreases greatly. Almost no deformation texatre can be observed after intermediate annealing. And fl-fibre becomes the main texture again after the final cold rolling. With the reduction of the thickness, the through-thickness texture gradients become much weaker. The through-thickness recrystallization texture in the solution treated sample only has cubeyD {001 }（310） component. The relationship among thermomechanical processing, microstructure, texture and mechanical orouerties was analyzed.

Taper barrel rheomoulding process for semi-solid slurry preparation and microstructure evolution of A356 aluminum alloy

The self-developed taper barrel rheomoulding (TBR) machine for light alloy semi-solid slurry preparation was introduced.The semi-solid slurry was obtained from the intense shearing turbulence of the alloy melt in the cause of solidification, which was further caused by the relative rotation of the internal and external taper barrel whose surface contained wale and groove.The heat transmission model of TBR process, the flow rules and the shearing model of the alloy melt were deduced.Taking A365 as experimental material, the microstructure evolution rules under different slurry preparation processes were analyzed.The results show that decreasing the pouring temperature of A365 alloy melt properly or increasing the shearing rate helps to obtain ideal semi-solid microstructure with the primary particle size of about 70 μm and the shape factor of above 0.8.

Corrosion Process Detection of Tinplate in Deaerated Functional Beverage by EIS

The corrosion process of tinplate in deaerated functional beverage was investigated by using electrochemical impedance spectroscopy (EIS) combined with scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) techniques. The results reveal that the uncoated tinplate shows a poor corrosion resistance and the corrosion type is detinning. During the initial stage of immersion, EIS spectrum consisted of two capacitance arcs with obvious time-constant dispersion effect, which was attributed to the two-dimensional and three-dimensional inhomogeneous distribution of the electrode surface. With the increase of immersion time, the capacitance arc of high frequency shrunk and degenerated, due to the corrosion of tin coating. The pore resistance of tin coating and the charger transfer resistance of substrate, which are determined from the electrochemical equivalent circuit, can be used as the indicators of tinplate corrosion process. The decrease of the pore resistance of tin coating indicates that the corrosion degree of tin layer becomes more severe, whereas the decrease of the charger transfer resistance of substrate implies that the corrosion degree of steel substrate also becomes more severe as the immersion time prolongs.

The adsorptive properties of UiO-66 towards organic dyes: A record adsorption capacity for the anionic dye Alizarin Red S.

In order to decisively determine the adsorption selectivity of zirconium MOF(UiO-66) towards anionic versus cationic species, the adsorptive removal of the anionic dyes(Alizarin Red S.(ARS), Eosin(E), Fuchsin Acid(FA)and Methyl Orange(MO)) and the cationic dyes(Neutral Red(NR), Fuchsin Basic(FB), Methylene Blue(MB),and Safranine T(ST)) has been evaluated. The results clearly reveal a significant selectivity towards anionic dyes. Such an observation agrees with a plethora of reports of UiO-66 superior affinity towards other anionic species(Floride, PO_4^(3-), Diclofenac sodium, Methylchlorophenoxy-propionic acid, Phenols, CrO_4^(2-), SeO_3^(2-), and AsO_4^-). The adsorption process of ARS as an example has been optimized using the central composite design(CCD). The resultant statistical model indicates a crucial effect of both pH and sorbent mass. The optimum conditions were determined to be initial dye concentration 11.82 mg.L^(-1), adsorbent amount 0.0248 g, shaking time of 36 min and pH 2. The adsorption process proceeds via pseudo-second order kinetics(R^2= 0.999). The equilibrium data were fit to Langmuir and Tempkin models(R^2= 0.999 and 0.997 respectively). The results reveal an exceptional removal for the anionic dye(Alizarin Red S.) with a record adsorption capacity of400 mg·g^(-1). The significantly high adsorption capacity of UiO-66 towards ARS adds further evidence to the recently reported exceptional performance of MOFs in pollutants removal from water.

Observation on Double Fertilization and Early Embryonic Development in Autotetraploid Polyembryonic Rice

The process of double fertilization and the characters of embryo and endosperm development in an autotetraploid polyembryonic mutant rice IR36-Shuang were studied with a laser scanning confocal microscopy. Some abnormalities including degenerated ovary, abortive embryo sac, single fertilization, double-ovule and double-embryo and so on. were found dudng double fertilization and embryo development in IR36-Shuang. The rate of the abnormalities was 46.67% in IR36-Shuang, significantly higher than that in the control, an autotetraploid rice line IR36-4X （33.00%）. Cytological and embryonic evidences were provided for seed setting decline and the initiation of additional embryo in IR36-Shuang.

Corrosion behavior of 907 steel under thin electrolyte layers of artificial seawater

The corrosion behavior of 907 steel under thin electrolyte layer(TEL) has been investigated by means of cathodic polarization curve measurement, electrochemical impedance spectroscopy(EIS) and scanning electron microscopy(SEM). The results show that the cathodic diffusion current density presents the variation trend of initial increase and subsequent decrease with the decrease of TEL thickness, and the maximum deposits at 58 μm. The cotangent-hyperbolic impedance(O) is rationally first introduced to study the diffusion process of the reactants through the corrosion products layer with many permeable holes. The initial corrosion rate of 907 steel under different TEL thickness increases with the decrease of TEL thickness except that of 104 μm,whereas the corrosion rate after long time corrosion can be ranked as 104 μm﹥402 μm﹥198 μm﹥301 μm﹥bulk solution.

Damage mechanism of single-layer reticulated domes under severe earthquakes

To study the damage mechanism of single-layer reticulated domes subject to severe earthquakes, three limit states of single-layer reticulated domes under earthquakes are defined firstly in this paper. Then, two failure modes are presented by analyzing damage behaviors, and their characteristics are pointed out respectively. Furthermore, the damage process is analyzed and the causes of structural damage in different levels are studied. Finally, by comparing deformation and vibration status of domes with different failure modes, the principles of different failures are revealed and an integrated frame of damage mechanism is set up.

Investigation of Improved Signal Process and Control Circuit for Color-PDP

We present an alternative current-plasma display panel (AC-PDP) signal process and control circuit that fulfills the signal process and transform function. We proposed a novel driving logical waveform generator based on the SCI interface, which can real-time adjust the parameters to optimize performance of the PDP and facilitate the research and test. The use of nesting state-machine and parameterized design not only improves the resource utilization, but also makes it efficient and readable. The design has been written in synthesizable Verilog and fully verified using Xilinx FPGA device and applied in 42-in AC-PDP module.

Study of Biofilm Formed by Lactic Acid Bacteria on the Surface of Mild Steel

Biocorrosion processes at metal surfaces are associated with microorganisms, or the products of their metabolic activities including enzymes, exopolymers, organic and inorganic acids, as well as volatile compounds such as ammonia or hydrogen sulfde. It was proved that strain Lactobacillus delbrueckii B5 constituted biofilms in the presence of different amounts of carbohydrates （5% sucrose and a mixture of 5% lactose, 5% fructose and 5% maltose）. The obtained information was used in a study treating the anticorrosive properties of microbial biofilms synthesized by the latter strain. The study of the corrosive stability of steel samples was conducted on the gravimetrique method. The rate of corrosion, calculated. The structure of layer over steel plates was analyzed by the degree of protection, and coefficient of protection has been Scanning Electron Microscopy （SEM） JSM 5510.

Growth process and corrosion resistance of micro-arc oxidation coating on Mg-Zn-Gd magnesium alloys

A Mg-6Zn-3Gd(mass fraction,%) alloy,noted as ZG63,was coated by different micro-arc oxidation(MAO) processes,and the coating structure and corrosion resistance of the alloy were studied using scanning electron microscopy(SEM),glancing angle X-ray diffractometry(GAXRD) and various electrochemical methods.The micro-arc oxidation process consists of three stages and corresponds with different coating structures.In the initial stage,the coating thickness is linearly increased and is controlled by electrochemical polarization.In the second stage,the coating grows mainly inward and accords with parabolic regularity.In the third stage,the loose coating forms and is controlled by local arc light.The looser coating is mainly composed of MgSiO3 and the compact coating is mainly composed of MgO.From micro-arc oxidation stage to local arc light stage,the corrosion resistance of the coated alloy firstly increases and then decreases.The satisfied corrosion resistance corresponds to the coating time ranging from 6 to10 min.

Formation and evolution of Emeishan basalt saprolite in vadose zones of Touzhai landslide source rockmass

In order to explain the formation process of slope hazards, and to identify the key factors leading to instability of a slope, Emeishan basalt saprolite in vadose zones of the Touzhai landslide in Zhaotong, Yunnan, was studied. The formation and evolution of Emeishan basalt saprolite was examined using, amongst other techniques, field investigations,thin section analysis, scanning electron microscopy(SEM) observations, chemical analysis, physical and water-physical property tests of rock masses. Field observations revealed that the majority of the weathered rock blocks were presented as a concentric layer structure in which an internal corestone was enveloped with several layers of external saprolized crust. Chemical and mineralogical analysis identified that iron was the most sensitive element and that the weathering progress usually started with the oxidation of Fe2+ to Fe3+ in rock blocks. Alkaline elements such as Si, Ca, Mg, Na and K were also dissolved and Fe and Al were concentrated in saprolized crusts. Results indicated that loss on ignition(LOI) also increased significantly. SEM results showed that the weathering intensity of thebasalt blocks decreased gradually from the outside to the inside, and the mineral morphology significantly differed on both sides of the weathering front. The saprolized crusts presented cellular microstructure features due to the generation of micropore and clay minerals. Thin section analysis showed that plagioclase was relatively more stable than pyroxene and chlorite during weathering. With a centripetal propagation of the weathering front, saprolized crusts became thicker and corestones became smaller; fresh Emeishan basalt blocks gradually turned into saprolized blocks. Due to the loose structure and low strength of saprolite, the quality of the Emeishan basalt mass significantly deteriorated, this being a potentially important factor which caused the Touzhai landslide to occur.

Precipitation processes and luminescence properties of ZnO:La^(3+), Li^+ nanoparticles

ZnO：La3＋,Li＋ nanoparticles were successfully prepared by co-precipitation, citric acid-assisted co-precipitation, co-precipitation combined solid-state reaction and thermal decomposition method. X-ray diffraction （XRD）, scanning electron microscopy （SEM） and luminescence spectrophotometry were employed to characterize the crystal phases, particle sizes and luminescence properties of the as-prepared nanopowders. The results indicate that all the prepared samples crystallize in a hexagonal wurtzite structure. The ZnO：La3＋,Li＋ prepared by citric acid-assisted co-precipitation method has a particle size of about 80 nm, which is the smallest among all the samples. Fluorescence （FL） spectra of all samples exhibit three typical emissions： a violet one centered at around 400 nm, blue around 450 nm and 466 rim, and weak green near 520 nm. But the samples prepared by co-precipitation method show a strong and wide green light emission located at about 500 nm. The ZnO：La3＋,Li＋ nanoparticles synthesized by the co-precipitation method demonstrate relatively the strongest emission intensity.