多孔的

The porosity is the primary factor in the mix design; the size of the void has a direct impact on the filling ability of the planting matrix and the growth of the plants, so the porosity of PGC should be more than 25%.

在多孔植被混凝土的制备中，其孔隙率的选择是进行设计的首要因素，孔隙率的大小直接影响植生基材的填充和植被的生长，因此要求多孔植被混凝土孔隙率要在25%以上。

A preparation method of nickel oxide-base cathode of fused carbonate fuel cell is to select alkali earth metal oxide, transition metal oxide and rare-earth metal oxide, mix with carbonyl nickel powder in the proportion of 0.01-15.00 mol%, add assistant and mix even into a slurry; after the slurry is formed into a biscuit by doctor-blade casting, sinter it into a multi-porous nickel plate; dissolve lithium nitrate and cobaltous nitrate with mole ratio of Li:Co-1:1 and citric acid or PVA in the distilled water to make a solution with Li of 0.00-0.5 mol/L; immerse the multi-porous nickel plate or nickel oxide plate in the solution, keep for 10-60 minutes under vacuum below 200 millibar, then dry in an oven at 75 degrees centigrade further transfer to a crucible electric furnace preheated 650 degrees centigrade for keeping the temp.

要約 熔融碳酸盐燃料电池氧化镍基阴极的制备方法属于燃料电池领域。选取碱土金属氧化物、过渡金属氧化物和稀土金属氧化物，按0.01－15.00mol％的比例与羰基镍粉混合，加入助剂，混合均匀成浆料；混合浆料流延成型为素坯后烧结为多孔金属镍板；将摩尔比为Li∶Co＝1∶1的硝酸锂和硝酸钴以及柠檬酸或聚乙烯醇溶于蒸馏水中，制成为0.005－0.5mol/L的溶液；将多孔金属镍板或氧化镍板浸入溶液中，在真空度低于200毫巴下保持10－60分钟；置于75℃的烘箱中烘干，转移至预热到650℃坩埚电炉中保温1－10小时；将此过程重复一次或多次即可。

An original polarizing plate having a plurality of layers is fixed on a first principal surface of an ultrahigh molecular weight polyethylene porous sheet by drawing from the opposite side. The original polarizing plate is cut by a blade moving across the thickness of the original polarizing plate by using the porous sheet as a cutting mat to obtain a polarizing plate having a plurality of layers.

将由多层构成的偏光原板从超高分子量聚乙烯树脂多孔质薄板(1)的一主面吸引、固定在该主面的相反侧的主面上，以多孔质薄板(1)作为切割垫，将偏光原板(2)用在其厚度方向移动的刀刃(4)切断，得到由多层构成的偏光板(3)。

In the experiment, the TiO2 nanoporous films were made dy using multiple sprinkling technique in the home-made sprinkling box instead of the doctor blade method. The multiple sprinkling technique can quickly produce the TiO2 film and easily control its thickness, i.e. transmittance. The multiple sprinkling technique made TiO2 films receive the result that the higher heating temperature and the longer heating duration, the better photoelectric conversion efficiency . The experimental data show that the sprinkling technique is better than the doctor blade and the DSSC integrated with the photoelectrode ca.

实验中自行制作喷雾箱，以多次喷雾的方式制作TiO2多孔膜，取代传统的刮刀涂布法，达到快速制作及容易控制膜厚或膜之透光率的目的，当藉由喷雾法所制作的奈米TiO2多孔膜烧结温度越高时，其光电转换效率也越好，烧结时间越长，DSSC光电转换效率越佳，整体之效果，喷雾涂布法有较优於刮刀涂布法的效果。

Silicon powders were mixed with pore-forming agent of 30wt% and agglomerant of 1wt% and shaped into discs of Φ70 mm×5 mm by mould pressing under pressure of 40 Mpa.

通过添加30wt%的成孔剂颗粒，制备出孔隙率在55%左右的具有宏观球形孔的多孔氮化硅陶瓷。反应烧结前，在低于硅熔点的温度下，对多孔硅坯体进行不同温度和不同时间的预烧。

At the early stage of MCFC operation, the porous Ni-based cathode subjected to the load of cell stack may deteriorate in the process of its transformation to the working lithiated NiO cathode, which will result in the potential damage to the cell performance and lifetime.

熔融碳酸盐燃料电池在开始运行初期，承受一定负荷的多孔镍在转化为多孔氧化镍阴极的过程中往往会受到较严重的形变破坏，对电池的使用性能和寿命造成不良影响。

It is deduced that the loading of the slurry has good linear relationship with the sequare of centrifuging speed, centrifuging time, slurry viscosity and density, and which were convincingly validated by experimental results.

并且，理论推导的正确性得到了实验结果的验证，这样就可以通过调节以上参数来有效控制挂浆量和多孔结构，从而为网眼多孔陶瓷的结构可控提供了一个新的方法。

The longest lifetime component in PALS results is ascribed to the annihilation of positronium in cavities of PS sample. It is found that 80% of the positrons implanted in PS film have formed positronium atoms. PALS results show that the lifetime of ortho-Positronium has small value when the sample was in oxygen gas medium compared with those in other medium.

正电子湮没寿命谱测试结果表明，样品中存在长达40ns的电子偶素湮没成分，并且进入多孔硅膜层的正电子约有80%形成电子偶素，具有非常高的电子偶素产额；在氧气气氛下，由于气体导致o-Ps发生自旋转化猝灭是使多孔硅样品中电子偶素寿命缩短的主要原因。

One of them is based on etched porous alumina and carbon-gold-carbon compound film. The alumnia film surface is composed of rows of valleys with diameter of about 300 nm, and is realized by etching porous alumina in diluted phosphorous acid.

第一种阴极采用基于多孔氧化铝和无定形碳的双层传导薄膜，其中氧化铝薄膜的表面具有横向尺寸为300 nm的特殊凹陷结构，是对常规多孔氧化铝薄膜进行腐蚀形成的。

Micrometres of synthetic porous spherical particle shape and the LiMn2O4 preliminary electrochemical performance test results showed that in 25 degrees, porous balls and particles LiMn2O4 batteries in high-voltage areas (4V), the first charge and 112mAh/g 123mAh/g capacity respectively, 112mAh/g 123mAh/g and discharge capacity respectively.

对所合成的微米级多孔球状和粒子状的LiMn2O4进行初步电化学性能测试，测试结果表明，在25℃下，多孔球的和粒子的LiMn2O4电池在高电压区（4V），首次充电容量分别为123mAh/g和112mAh/g，放电容量分别为123mAh/g和112mAh/g。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。