穿孔板

And the wall of test workshop is completely paved with 25mm thickness stainless steel perforated acoustic panel, 50mm cavity; using the sound lock double sound insulation door, the sizes are 2.4×1.64 m、2.149×1.04 m respectively; Double layer 3×8 mm thickness bulletproof glass sound insulation window, 50mm cavity; air inlet uses dissipative muffler, the size is 5×3×2 m, sound splitter is 150 mm thickness stainless steel protective facing.

试车间墙面满铺25 mm厚不锈钢穿孔吸声板，50 mm安装后空腔；采用声闸双重隔声门，尺寸分别为2.4×1.64 m、2.149×1.04 m；双层3×8 mm厚防弹玻璃隔声窗，50 mm空腔；进风口选用阻性消声器，尺寸为5×3×2 m，消声片为150 mm厚不锈钢护面。

Heading 7804 applies, inter alia, to plates, sheets, strip and foil with patterns (for example, grooves, ribs, chequers, tears, buttons, lozenges) and to such products which have been perforated, corrugated, polished or coated, provided that they do not thereby assume the character of articles or products of other headings.

项目7804 适用於具有花纹图案（例如槽纹、棱纹、方格图纹、泪纹、钮纹、菱形花纹）的板、片、带及箔，同时亦包括经穿孔、起瓦楞、打磨或涂层的产品，但以这些产品不会具有其他项目内所列制品或产品的特性为限。

PubMed abstract: Gramicidin perforated-patch-clamp recordings in brain slices were used to obtain an accurate assessment of the developmental change in the GABAA receptor reversal potential in embryonic and early postnatal rat neocortical cells including neuroepithelial precursor cells, cortical plate neurons, and postnatal neocortical neurons.

PubMed摘要：大脑部分的短杆菌肽穿孔片钳记录，用於获得胚胎中GABBA受体逆向电压发展改变的精确估计，以及出生后大鼠早期新生皮层细胞，包括神经上皮先驱细胞、皮层板神经元和出生后新皮层神经元的估计。

Digital Inverter Generator, Power Tool , Steam Wallpaper Stripper, Electric Airless Paint Sprayer , Jig Saw, Electric Planer , Bench Grinder , Water Grinder , Belt Sander, Mini Grinder , Electric Auto ScrewDriver, Reciprocating Saw, Hammer Drill, Demolition Breaker , Thickness Planer Band Saw, Miter Saw , Table Saw , Route Table , Scroll Saw Bench Planer , Parts Washer , Diamond Core Drill , Magnetic Drill , Rebar Cutter , Electric Punching Cutter, Drywall Sander , Air Pump, Cordless Angle Grinder , Cordless Circular Saw , Cordless Spiral Saw, Cordless Jigsaw , Cordless Planer, Cordless Vaccum Cleaner Cordless Reciprocating Saw, Cordless Delta Sander , Cordless Falre Tool, Flaring Tool Cordless Ratary Light, Cordless Tool Set, Cordless Tool , Cordless Drill , Cordless Hammer Drill , Polishing Machine, Cordless Car Polisher, Cordless Impact Wrench , Gasoline Impact Wrench, Cordless Caulking Gun , 12V Auto Jack, Impact Wrench Car Polisher Garage Tool , Cordless Caulking Gun, Gasoline Pressure Washer , High Pressure Washer , Tile Cutter, Masonry Saw, Tile Saw , Construction Machinery , Flat Vibrating Polisher , Vibrating Spear, Plug-in frequency vibrato, r Rammer, Power Trowel, Plate Compactor, Concrete Mixer , Steel Cutter , Chain Saw Gasoline Chainsaw Cordless Chain saw , Electric Chain Saw , Pole Saw , Chainsaw Sharpener , Chipper Shredder , Earth Auger Gasoline Tiller , Cropper Grass Trimmer, Brush Cutter Hedge Trimmer , Lawn Mower Electric LawnMower , Cordless Lawn Mower, Gasoline Lawn Mower Hand Push Cylinder Mower Leaf Blower , Gasoline Leaf Blower , Garden Pump , Hover Mower , Lawn Raker Motor Hoe , Snow Thrower , Log Splitter , Firewood Cutting Saw , Log Saw , Diesel Tiller Gasoline Tiller Gasoline Chipper Shredder, Chipper Shredder Gasoline Grass Trimmer , Gasoline Brush Cutter, Electric Brush Cutter , Electric Grass Trimer, Lawn Edgers, Cordless Grass Trimmer Electric Hedge Trimmer

数字变频发电机，电动工具，汽提塔壁纸，电动喷雾器气油漆，曲线锯，电动刨床，砂轮机，水磨机，砂光机，小型磨粉机，电动汽车螺丝刀，往复锯，锤钻，拆除断路器，带厚度刨床锯，锯字，表看到，路由表，滚动看到板凳刨床，部分洗衣机，钻石核心的演习中，磁性钻，钢筋切割机，电动切割机穿孔， Drywall桑德，空气泵，无绳角磨机，无绳圆锯，无绳螺旋看见，无绳拼图，无绳刨床，无绳吸尘器无绳往复锯，无绳三角洲桑德，无绳Falre工具，燃烧工具，无绳Ratary轻，无绳工具集，无绳工具，无绳演练，无绳锤钻，抛光机，抛光车载无线电话，无绳冲击扳手，汽油冲击扳手，无绳堵漏枪， 12V的汽车千斤顶，扳手影响车库汽车抛光工具，无绳堵漏枪，汽油压力，洗衣机，高压清洗，瓷砖切割机，泥瓦工看到，瓷砖看到，工程机械，平板振动抛光，振动长矛，插入式高频颤音，俄夯，电力抹子，板机，混凝土搅拌机，钢刀具，汽油链锯电锯无绳链锯，电链锯，锯极点，电锯磨刀，琼斯碎纸机，地球俄汽油分蘖，克罗珀基层裁纸机，刷机对冲裁纸机，割草机电动LawnMower ，无绳割草机，汽油割草机手推割草机缸叶片风机，风机叶片汽油，花园泵，悬停割草机，草坪耙汽车锄头，雪标枪，日志分流，木柴切削看到，记录看到，柴油汽油分蘖分蘖汽油琼斯碎纸机，琼斯碎纸机基层汽油机，汽油刷机，电刷镀机，电动基层三聚体，草坪Edgers ，无绳基层裁纸机机对冲电气

The results showed that the temperature at the air outlet and theheat collecting efficiency of the solar air heater with a perforated absorber flat plate were apparently higher than those of the solar air heater with a nonporous corrugatedabsorber plate.

结果表明，使用穿孔吸热板的平板太阳能空气集热器的出风口温度和集热效率均明显高于使用无孔波纹吸热板的太阳能空气集热器。

Simply put, it is a parabolic object of solid or perforated metal.

简而言之，这是一个抛物体的固体或穿孔金属板。

The main products are: Hammer, thermal conductivity detector, permeameter, contraction of the expansion device, hand-held strain gauge, waterproof material detector, low-bending device, slag ball content in separators, heat load tester, performance test combustion furnace, a variety of thickness, thermal expansion of graphite electrode NG, coal strength meter, electric tamping device, hydrophobicity tester, mineral wool density meter, concrete drilling sampling machines, sawing machines, removed machine, setstube machine, hydraulic bending machine, impervious tester, determination of heat resistance, heating telescopic measuring device, an extension device, penetration tester, small meter, viscometer, drying time tester, pencil hardness tester, pendulum hardness, the adhesion tester, film zoned grid, and resistant to scrubbing detector, solvent resistance detector, wearable device, flat grinding device, wear-resistant coating shakeout device, staining resistance tester, impact tester , piercing instrument, instrument bending film, film coating, and sanding machines, cone-shaped grinding, high-speed dispersion machine, three roller grinder, Scratch tester, indentation tester, gloss Miriam, white tester, fresh video of Miriam, Miriam reflectivity, iron cobalt colorimeter, paint density cup, crack resistance testing apparatus, leveling device, flow hanging device, visual color box, the minimum temperature detector into a grinding, low temperature brittleness tester, visual color boxes, electronic pull machine, Mooney Viscometer, vulcanizing device, the proportion of direct-reading, the cold compression tester, heritage wearable device, Heritage scratch device, the friction coefficient detector, coating Detect zoned grid plate , coating resistance tester, such as burning a variety of test equipment.

主要产品有：回弹仪、导热系数测定仪、渗透仪、收缩膨胀仪、手持应变仪、防水材料检测仪、低温弯折仪、渣球含量分离器、热荷重试验仪、燃烧性能试验炉、各种测厚仪、石墨电极热膨胀仪、煤强度测定仪、电动击实仪、憎水性测试仪、矿棉容重测定仪、混凝土钻孔取样机、锯切机、磨平机、套丝切管机、液压弯管机、不透水试验仪、耐热性测定具、加热伸缩测定器、延伸仪、针入度仪、细度计、粘度计、干燥时间试验器、铅笔硬度计、摆式硬度计、附着力测试仪、漆膜划格器、耐洗刷测定仪、耐溶剂测定仪、耐磨仪、平磨仪、涂层落砂耐磨仪、耐沾污测试仪、冲击试验仪、穿孔仪、漆膜弯曲仪、涂膜涂布器、砂磨机、锥形磨、高速分散机、三滚研磨机、划痕试验仪、压痕试验仪、光泽仪、白度仪、鲜映性仪、反射率仪、铁钴比色计、涂料密度杯、抗裂性试验仪、流平仪、流挂仪、目视比色箱、最低成磨温度测定仪、低温脆性试验仪、目视比色箱、电子拉力机、门尼粘度仪、硫化仪、直读比重计、压缩耐寒试验仪、文物耐磨仪、文物划痕仪、摩擦系数测定仪、涂层检测划格板、涂层耐燃烧试验仪等多种试验仪器。

Each sheet metal blank or section is then advanced to the next station whereby the circle shear apparatus of the present invention cuts a hole in the blank section after which the perforated sheet metal blank is advanced to another station for stacking, sorting or further forming.

每个金属板空白或部分然后被推进到下个驻地，藉以当前发明的圆盘剪用具削减在空白的部分的一个孔，在之后穿孔的金属板空白被推进到堆积，排序或者进一步形成的另一个驻地。

The compound tray holds excellent features , it has been successfully used in industry namely , methane alcohol ethanol , methyl aeetyl distillations and etc It is also expected to have a broad prospect for applications in other chemical industry field In this paper , many studies are concerned with the gas liquid duallowing the hole and oscillating regulation of the compound tray by experiments These studies will provide theoretical and experimental foundation for the design and improvement of the compound tray The main part of which is a 500 mm inner diameter three compound trays column , serving as a hydrodynamic model , the system air ?

复合塔板以其优良的性能，在甲醇、乙醇和丙酮等生产精馏装置中获得了成功的应用，并在其它化工生产领域有着广泛的应用前景。本论文旨在通过实验研究复合塔板上气液穿孔流动及波动波动规律，为复合塔的设计和结构改进提供理论和实验依据。实验是在一塔径500mm的冷模塔内，以空气—水为物系，在常压下进行实验。

Metal strainers are manufactured from wire mesh, perforated metal, or expanded metal, and are often placed in-line with process piping to remove larger particulate matter and contaminants that may damage pumps, valves and other process equipment.

金属过滤器用金属丝网，穿孔金属板或多孔金属板加工生产，经常是嵌套在工艺流程管路中，用于去除大颗粒物质和赃物（容易毁坏泵，阀和其他的工艺设备）。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。