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It contains quadratic photosynthetic chamber and columned soil fixing body, wherein soil fixing body of canopy leaf chamber bottom set with knob basal portion being corrugation notch, capable of easy inserting amboceptor in soil to form inclosed canopy leaf chamber, amboceptor upper port inosculation with photosynthetic chamber lower wall round opening to make canopy leaf chamber intracavity forming one integral, photosynthetic chamber upper wall sealed by two side glue and photosynthetic film to ensure photosynthetic chamber steady light permeability, photosynthetic chamber sidewall installed one small size fan controlled by external battery and switch, fan capable of rapid making canopy leaf chamber gaseous reaching equalization.

本发明涉及一种用于测定植物冠层群体光合作用的冠层叶室，由正方形的光合室和圆柱状的土壤固定体两部分结合而成，冠层叶室下部土壤固定体设有把手，基部为波纹状切口，可以很容易地把固定体插入土壤中形成密闭的冠层叶室，固定体上口与光合室底壁的圆形开口吻合，使冠层叶室的内腔形成一个整体；光合室顶壁用双面胶和光合薄膜密封，以保证光合室稳定的透光性能；光合室侧壁内安装一个小型风扇，由装在侧壁外的电池和开关控制，风扇可使冠层叶室内的气体迅速达到平衡。

The instruments used ATmega16L onboard A / D converter channels to achieve the cold wind pressure, the hot blast pressure, the furnace top pressure and cold wind current capacity four way analog acquisition;used PWM waveform produced by ATmega16L internal timing / Counter to achieve the entire differential pressure ,the cold wind flow and the permeability index three-way analog output for recording instruments; realized the cold wind pressure, the hot blast pressure, the furnace top pressure, the cold wind current capacity and the entire differential pressure five group parameter tour demonstration and the fixed-point demonstration by key-elect key's coordination during demonstration blast furnace permeable index; produced acousto-optics alarm when the permeable index across the upper and lower limits;used RS-485 realizing the communication with the superior computer.

仪表利用ATmega16L自带的A/D转换通道实现对冷风压力、热风压力、炉顶压力及冷风流量四路模拟信号的采集；通过ATmega16L内部的定时/计数器产生的PWM波形来实现对全压差、冷风流量及透气性指数三路模拟量输出供记录仪表使用；通过键选键的配合在显示高炉透气性指数的同时实现冷风压力、热风压力、炉顶压力、冷风流量及全压差五路参数的巡回显示与定点显示；当高炉透气性指数越上、下限时，仪表产生声光报警信号；仪表采用RS-485与上位机实现通信。

The simulation results show that when light wave propagates along the angular bisector of corner angle in metamaterial volume,the electromagnetic focus effect will not exist in the metamaterial volume,although the permittivity and permeability of metamaterial are very small.

仿真结果表明：即便对于εr和μr都很小且无耗的正多边形异向介质柱，当平面光波沿正多边形顶角角平分线方向传播时，在异向介质柱内不会发生电磁聚焦。标签聚焦特性时域有限差分方法异向介质平面光波 Focus charaters FDTD Metamaterials Plane light wave

Research and practice prove that there is obvious anisotropy in rock permeability.

研究与实践表明，由于受地质因素的控制，岩石渗透率的大小往往表现出明显的各向异性。

Besides, HIF-1 can quickly induce a lot of expressions and the adjustment of anoxia-induced genes, so as to enhance the hypoxia-induced genetic transcription and increase the expressions, and engender physiological effects, such as adjusting the transcription of EPO genes to increase their production, thereby the red blood cells quantity is enlarged, which strengthens the ability of oxygen transportation and mitigates anoxia; adjusting VEGF genetic transcription to engender more blood capillaries, consequently the transportation and supply of oxygen and substance of energy source are strengthened; adjusting the glycolytic enzyme to enhance glycolysis ability under anoxemia condition and increase energy supply; functioning on HO-1 genes in vascular smooth muscle cells to produce HO-1, which can engender NO and CO as pneumatic signal molecules to activate the guanylate cyclases, thus CGMP level is improved to make the vascular smooth muscles chalasia, to restrain platelet agglutination, so that theblood flow and vascular permeability are increased, and the anoxic tissues obtain ample oxygen supply, etc..

在低氧环境中，HIF-1可以被很快诱导大量表达并介导低氧诱导基因的调控，使低氧诱导基因转录增强，表达产物增多，产生生理效应。

The in vivo antiaging activity of genistein can be improved by increasing the solubility and permeability of genistein.

以溶解度及渗透系数为指标改善染料木素的小肠吸收能够改善它的体内抗衰老活性。

The mechanism of the OGFC pavement functions is fully analyzed, with a description of the mix ratio design and raw material selection, including the function and features of permeability, antiskid , noise reduction, temperature reduction, etc.

全面分析了OGFC路面的功能与作用的机理，介绍了OGFC配合比设计和原材料选择，分析了透水性、抗滑性、降噪性和降温性等功能和特点，最后也分析了耐久性差、生产成本高、维护成本高等不足。

Firstly, the isotropic difference templates were introduced to approximate the differential in the ADI-FDTD method, and the weighting coefficients of difference terms were determined for implementing isotropic numerical dispersion; Then the permittivity and permeability were adjusted manually to reduce the numerical dispersion error in any directions. Therefore the simulation accuracy and efficiency can be improved effectively for time domain problems with some finite bandwidths.

该方法在ADI-FDTD方法的差分近似微分中引入各向同性差分模板，并通过确定各向同性差分的加权系数来近似实现各向同性，然后人为修正空间的介质参数来减少各个方向上的数值色散误差，因此在模拟一定带宽的时域问题时可有效提高计算精度和计算效率。

Department of Scientific History and Archaeometry; Graduate University of Chinese Academy of Sciences; Beijing 100049;4.Institute of Archaeology; Chinese Academy of Social Sciences; Beijing 100710; China;The fabrication technologies in terms of phase composition,structure,firing temperature,porosity,density and water permeability of ceramic water pipes and contrastive ceramic tilesexcavated from Anyang Yin Ruins of Shang dynasty were studied by X-ray fluorescence,X-ray diffraction and dilatometer,respectively.It was found that the contents of CaO,K2O,MgO and P2O5 in CWP were relatively higher than those in contrastive CT.The difference was further confirmed by the mass ratio of flux...

采用X射线荧光、X射线衍射、热膨胀等分析手段对比研究了安阳商代陶水管的制作工艺，发现陶水管化学成分中各类熔剂的质量分数均略高于对比陶片中熔剂的质量分数，CaO、K2O、MgO等助熔剂与A l2O3的质量比进一步证实该现象，而这种差异性则外在地表现为陶水管的气孔度低于对比陶片以及陶水管热膨胀曲线中出现玻璃化现象，该结果表明陶水管原料应为一种易熔粘土，或者在沉淀粘土中人为地掺和了草木灰类掺和料，这有利于陶水管烧制与成型，有助于熔剂在熔融状态下，较好地进入陶水管中的空隙，使陶水管变得更加致密，一定程度上有利于防止陶水管的渗水，显示出陶水管制作工艺的特殊性。

It is an advanced locating technology for the investigation of reservoir bed distribution, the evaluation of porosity and permeability and the quantitative and qualitative analysis of fissure and fault by means of the geophysical method based on the research and practice of architectonic geology.

在构造地质学理论研究和实践的基础上采用地球物理技术进行储层层位的分布，孔隙度、渗透率的确定以及裂缝、断层的定量、定性分析，这是一种先进的确定地址的技术。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。