- 更多网络例句与不导热的相关的网络例句 [注:此内容来源于网络,仅供参考]
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Aluminum nitrate enneahydrate and barium hydroxide octahydrate are considered as potential phase change materials for energy storage.
用热敏电阻作加热元件和测温元件,首次测定了适合用作相变储能材料的九水合硝酸铝、八水合氢氧化钡导热系数的测定在10℃~80℃温度范围的导热系数,其实验值的不准确度分别为2.8%和3.2%。
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The proposed method has the merit that the numerical characteristics of stochastic temperature field response can be obtained by analyzing the random temperature field just in one time.3. Perturbed numerical algorithm of nonprobabilistic convex set theoretical models on the temperature fieldThe uncertain parameters of physical parameters and initial boundary conditions of heat conduction are described by the convex model. The perturbation formulas of the upper and lower bounds of temperature field response with unknown-but-bounded parameters are given via the combination of matrix perturbation theory and the convex set theory model.4. Numerical analysis for transient temperature field with interval parametersConsidering the uncertainties of the transient heat transfer, the physical parameters and initial boundary conditions are regarded as interval variables.
该方法具有只进行一次随机温度场分析便可以获得其响应的数字特征的优点。3、温度场的非概率凸集合理论模型的摄动数值解法将结构导热的物理参数、温度场的初始和边界条件等不确定性参数以凸模型加以描述,基于矩阵摄动理论和处理不确定问题的凸集合理论模型的结合,导出有界不确定参数瞬态温度场响应所在集合的上、下界摄动计算公式。4、具有区间参数的瞬态温度场数值分析考虑结构瞬态热传导问题的不确定性,将结构各物理参数和温度的初、边值条件均视为区间变量。
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With advanced production equipment ."Golden Flatiron King" brand welding mouths with well-coated tin enjoy long service life and satisfactory function.
公司生产的"金烙王"牌焊嘴具有使用寿命长、性能好、挂锡好、镀层不剥落、导热性好、升温快、节省电能等优点。
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The density is in 150~2200 kg/m3 and the thermal conductivity is 0.0599W/m·K, density of 150 ~ 2200 kg/m3, thermal conductivity for 0.0599W / m · K. It has a great many merit such as anti-aging, thermal insulation, incombustible, environmental protection, benefit waste, acoustic, noise, low-cost (production cost of 40 ~ 70 yuan / m3), which is a waste of new energy-saving insulation materials benefit.
发泡体在凝固成型中体积不塌陷自然产生2%~5%的膨胀率,密度在150~2200 kg/m3,导热系数为0.0599W/m·K,耐老化,保温、不燃、环保、利废、吸音、隔音、廉价(生产成本40~70元/m3),是节能利废新型隔热材料。
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Aiming at the laigh thermal conductivity of magnetic refrigerant materials, this paper presents a new technical scheme named vacuum diffusion bonding, which can improve its thermal conductivity. The results indicate that under the condition of temperature ranging from 550℃ to 620℃ in holding time ranging from 30 min to 120 min and a pressure ranging from 12 Mpa to 20Mpa, both Gd and Cu can effectively bond together.
针对室温磁制冷材料Gd本身导热系数低特点,提出了采用真空扩散焊方法改善Gd导热性能的成型工艺方案,在温度为550~620℃,压强为12~20Mpa,保温时间为30~120min条件下,实现了扎和铜异种材料连接,并比较了在锐基体上溅射一层铜薄膜和不溅射薄膜两种条件下的工艺性能。
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Aiming at the laigh thermal conductivity of magnetic refrigerant materials,this paper presents a new technical scheme named vacuum diffusion bonding,which can improve its thermal conductivity.
针对室温磁制冷材料Gd本身导热系数低特点,提出了采用真空扩散焊方法改善Gd导热性能的成型工艺方案,在温度为550~620℃,压强为12~20Mpa,保温时间为30~120min条件下,实现了钆和铜异种材料连接,并比较了在钆基体上溅射一层铜薄膜和不溅射薄膜两种条件下的工艺性能。
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After comparing with the thermal conductivity under two different conditions, the thermal conductivity with vacancy is lower than that with Kr, which accounts for phonon scattering on impurities due to lattice strain is stronger than that due to differences in mass between the defect and the surrounding matrix.
模拟结果显示,温度在20~80K之间,考虑热膨胀时的导热系数比晶格常数固定时的值要低,但随温度变化的关系更加接近实验值时的情况;比较固体氩中不同掺杂时导热系数大小,发现同样掺杂浓度条件下,掺空穴时材料导热系数比掺氪时低,说明掺杂时由于晶格不匹配引起的声子散射比不同质量引起的散射更重要。
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Used traditional measurement equipment and a new method-optimal approximation between measured and numerical calculation values, the coefficient of thermal conductivity of cornea was measured. It can be expressed by the equation of λ=0.10395+2. 75156×10〓t.
本文在不改变现有传统测定设备的前提下,采用一种新方法—通过数值计算角膜表面温度变化规律与实测值之间的最佳逼近,确定物体变物性导热系数的参数估算方法,对角膜的导热系数进行了测定,在角膜冻干的温度区间内,角膜的导热系数可近似地表示为λ=0.10395+2.75156×〓。
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Barrel is the key part of artillery. In shot process, propellent gas of high pressure and high temperature flows in the tube at a high rate of speed, which brings an upheaval to the temperature field of the composite barrel. As to the composite barrel with metal inner, its poor thermal conductivity is more likely to cause uneven temperature distribution and bigger temperature gradient, to produce improper deformation and to make the work temperature of metal inner rise, all of which will affect the life span of barrel.
身管是火炮的关键部件,在火炮发射过程中,高温、高压的火药燃气在身管内成脉冲式高速流动,使身管受到急剧的加热,引起身管壁内的温度急剧变化,而对于带金属内衬复合材料身管,由于复合材料导热性能较差,更容易引起非均匀温度分布以及较大的温度梯度,产生不合适的变形,也会使身管的金属内衬的工作温度升高,从而使得身管的寿命降低,同时身管的发热会引起其刚度的变化,增大射弹散布。
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The temperature field produced by a single source of heat in an unventilated space with heat-conducting walls has been studied by Ye.
Ye。 V。 Kudryavtsev研究了一种温度场,它是由单一供热源以及导热墙组成的不通风的空间。
- 更多网络解释与不导热的相关的网络解释 [注:此内容来源于网络,仅供参考]
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thermal conduction:导热性; 热导率; 热传导
sit back 不采取行动, 休息一下 | thermal conduction 导热性; 热导率; 热传导 | holden hold的过去分词
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mastic:胶粘剂
用隔汽的胶粘剂(mastic)或密封胶(sealant)密封外保温层的穿透部位,如风管吊架、温度控制传感器等部位. 用隔汽盖板和玛帝脂膜盖住焊接的销钉紧固件. 对于保温风管的吊架,提供一层刚性泡沫玻璃衬垫,或其他的不可压缩的不导热材料衬垫,
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thermal radiation:热辐射
从物理本质上讲,热辐射(thermal radiation)和其他所有各种辐射一样,都是电磁波. 它们之间的内在区别是导致发射电磁波的激励方式不同,而外在表现是发射的波长不一样,以及吸收该电磁波之后所引起的效应不同. 热辐射的特点与导热及对流有着显著的不同之处.
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Shaped:形状
但由於蓝宝石基板导热性不佳,当操作在高电流下,容易於接面处堆积大量的热能而导致元件特性变差. 为解决热对发光体的影响,本论文将氮化镓薄膜转移至具有高电导率、高热传导率的金属铜基板上. 图1-8 不同晶粒形状(Shaped)之发光二极体 55
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up:不饱和聚酯
PA6T, 高温尼龙,透明尼龙及阻隔尼龙;APHAGARY的各种TPE弹性体以及各种电线电缆料;Premix的各种基材的导电塑料;COOLPOLYMER的各种基材的导热塑料;RACHIG的各种热固性塑料如酚醛树脂(PF), 不饱和聚酯(UP), 三聚氰胺聚酯(
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athermanous:不透热的[指一个物体或空间不允许热通过]
athermancy 不透热辐射热性 | athermanous 不透热的[指一个物体或空间不允许热通过] | athermic 不导热的
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athermic:不透辐射热的;不导热的
athermanous 不透热的 | athermic 不透辐射热的;不导热的 | athodyd 冲压喷气发动机
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athermic:不导热的
athermanous 不透热的[指一个物体或空间不允许热通过] | athermic 不导热的 | atlas 地图册,图集
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Succinic Acid:丁二酸
表面平整、内部形成独特完美的闭孔蜂窝结构,具有优越的保温隔热性能、良好的防潮及抗高压、、不吸水、耐腐蚀、导热系数低、 (发布时间:2009-01-02)简述:丁二酸(Succinic acid) 别名:琥珀酸 分子式:C4H6O4 分子量:118.09性状:无色结晶体,
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Blowholes:吹孔
沸点等 焊料:成分,组织,不纯物含量,熔点等 母材:母材的组成,组织,导热性能等 焊膏的粘度,比重,触变性能 基板的材料,种类,包层金属等 4, 回流焊接缺陷分析 问题及原因对策 1.吹孔(BLOWHOLES) 焊中(SOLDER JOINT)所出现的孔洞,