气孔

The drier (100) is installed at an air conditioner having a condenser (22) and an evaporator (11) and includes an air vent hole (121) to allow air heated by heat generated from the condenser (22) to be introduced therethrough and a drying cabinet (120) for receiving a target object.

烘干机(100)安装在具有冷凝器(22)和蒸发器(11)的空调上，该烘干机包括通气孔(121)和烘干箱(120)，通气孔(121)允许由冷凝器(22)产生的热量所加热的空气从中引入，烘干箱(120)用于容纳目标物。

The results show that the anticlinal walls of upper epidermis in Pseudocystopteris and Athyrium are a little thicker and the shape of them is wavilness; the density of stomata and the type of stomata apparatus on lower epidermis are similar.

结果显示：假冷蕨属和蹄盖蕨属植物上表皮细胞的垂周壁都有加厚，且多为波浪状；下表皮细胞的气孔密度和气孔器类型也很接近。

The results show that: the fillers of SiO_2 based investment consist of SiO_2,Al_2O_3 and MgO,and the binder is NH_4H_2PO_4;for SiO_2 based investment,the bulk density and the compression strength decrease,the apparent porosity and the thermal expansion increase,when the specimens are heated to 900 ℃;the fil.

结果表明：氧化硅系包埋料的骨料是氧化硅、氧化铝、氧化镁，结合剂为磷酸二氢铵，其900℃煅烧后显气孔率增加，体积密度下降，耐压强度降低，热膨胀增大；氧化铝系包埋料的骨料是氧化铝和氧化镁，结合剂为磷酸二氢铵，其900℃烧后显气孔率增加，体积密度下降，热膨胀变化不大；氧化镁系包埋料的骨料是氧化镁和氧化铝，结合剂是铝酸钙水泥，其900℃烧后耐压强度明显降低，热膨胀明显增大。

Through an in-depth analysis of modification theory for the top profile together with its purpose, the modification principle and the design principle of the discharge port are presented. The boundary curve equation of the maximal area of discharge port is deduced in theory and the corresponding mathematical model is established.

通过对齿端修正理论及目的的深入分析，确定了齿端修正的原则，并提出了型线齿端修正的涡旋压缩机排气孔的开设原则，详细分析了排气孔理论上最大开设区域，并推导了区域边界方程，建立了相应的数学模型。

The content of Chl a, Chl b and carotinoid, net photosynthetic rate, stomatal conductance, Difference of CO_2 concentration pass in and out of the air chamber and candarboxylation efficiency in citrus leaves were maximized while intercellular CO_2 concentrations were minimized at 75% SWC.

综合分析Ci、Pn和Gs与红壤水分之间的关系，不同红壤水分条件所引起的柑橘叶片光合速率的变化，在红壤相对含水量低于30%时主要是由非气孔因素所引起的，而高于45%时主要是由气孔因素所引起的。

Porosity in weld is a kind of cubage imperfection,which can not be ignored that it has great influences to weld intensity.

焊缝气孔是一种体积性缺欠，对焊缝强度的影响不可忽视，因而气孔缺欠的判定是焊缝缺陷评判的重要内容之一。

Leaves decussate, subopposite, or spirally arranged; blade scalelike, subulate, or linear to elliptic, stomatal lines abaxial or present on all surfaces.

叶交互对生，近对生，或者螺旋状排列；叶片鳞片状，钻形，或者线形至椭圆形，背面有气孔线或两面均有气孔线。

It is concluded that mixture of deoxidant elements, reduction of oxygen and hydrogen source and improvement of escaping condition of oxygen from surfaced layers can prevent surfaced layers of copper-nickel alloy from producing gas holes efficiently.

本文分析了铜镍合金堆焊时所产生的气孔的主要原因及影响因素，认为粉末中脱氧元素的加入；减少氢、氧的来源；改善氢、氧从堆焊层中的逸出条件可有效防止铜镍合金堆焊层中气孔的产生。

In order to reveal the reasons of forming pore in hydroxyl terminated polybutadiene/ammonium dinitramide/ammonium perchlorate/aluminium (HTPB/ADN/AP/Al) composite propellants, a series of propellant samples containing ADN and triethanolamine, triethanolamine trifluoroboron complex (T-313), tris(2-methylaziridinyl)phosphine oxide, isophthaloyl-bis-(2-methylaziridine)(HX-752) were prepared, and the components of reacting with ADN and forming pore were confirmed,and the reaction mechanism was analyzed by DSC/TG-IR/MS.

为揭示HTPB/ADN/AP/Al推进剂产生气孔的原因，制备了一系列含ADN和TEA、T-313、MAPO、HX-752等键合剂的推进剂样品，试验确定与ADN反应产生气孔的组分，并通过DSC/TG-IR/MS联用仪分析了产生气孔的反应机理。

Together with the observed low stomatal conductance, both stomatal and non-stomatal factors contribute to the midday depression in BOL.

同时由于胡杨圆形叶在13∶00h时的低的气孔导度，因而气孔因素和非气孔因素决定了胡杨圆形叶的光合午休。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。