foaming characteristics 中文意思是什麼
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Phenolic foam is a new generation heat preservation prevent fire soundproof material and polystyrene together ammonia ester foaming rubber etc, material to compare, and it is good that its biggest characteristics is a heat - proofound the low temperature contractility is smatt, and have te special prevent burning wit the size stability under 2000 heat, not burning, not melt not contract constant form not poisonous spirit hove no thick smoke, just surface formation layer
信息內容：酚醛泡沫為新一代保溫防火隔音材料與聚苯乙烯聚氨脂發泡橡膠比，其最大特點是耐熱性好，低溫收縮性小，具有獨特的阻燃和尺寸穩定性，在焊槍火焰下，不燃燒不收縮不變形，無毒氣無濃煙，只是表面炭化，性質穩定，耐化學腐蝕抗老化。 -
This thesis preliminarily researched drilling technology of applying foaming dth hammer into hydrology and waterwell drilling beginning with analyzing foaming dth hammer ' s structure characteristics and working principle and joining together with the indoor experiment with respect to the fitting of drilling equipments, designing of grouting system, selecting of drilling program parameters and so on
從分析泡沫潛孔錘的結構特點和工作原理出發，結合室內實驗，在鉆進設備的配套、灌注系統的設計、鉆進規程參數的選擇等方面，對泡沫潛孔錘應用於水文水井鉆探的鉆進工藝進行了研究。 -
Determination of foaming characteristics of lubricating oils
潤滑油泡沫特性測定法 -
Test method for high temperature foaming characteristics of lubricating oils
潤滑油高溫泡沫特性試驗方法 -
This article introduces two sorts of foaming agents of polyurethane foaming plastics : physical foaming agent and chemical foaming agent, especially compares and debats the characteristics and properties of mainly using physical foaming agent in varies of periods, the problems and the usual methods of soluting are pointed out, and development tendency of foaming agent of polyurethane foaming plastics are also described
摘要介紹聚氨酯泡沫塑料的兩大類發泡劑，即物理發泡劑和化學發泡劑，著重對各個不同時期使用的主要物理發泡劑的性能和特點進行了對比和討論，指出其中存在的問題及當前人們所採取的解決方法，展望了聚氨酯泡沫塑料發泡劑的發展趨勢。 -
The thermodynamic conditions of decomposition of the foaming agent tih2, homogeneous and heterogeneous nucleation in high - temperature solid and liquid, growth and movement were achieved to demonstrate the trend of pore evolvement in this paper. moreover, according to the characteristics of in - situ gas foaming, the equations of the height change of foaming samples with heating time were primarily established to study the behavior of foams and to guild the experiment processes
另外，論文通過大量的熱力學分析，得出了發泡過程中發泡劑分解以及氣孔在固液態時的均勻形核和非均勻形核、氣孔的生長和運動等熱力學條件，揭示了氣孔演化的趨勢；論文還根據內生氣源發泡的特點，初步建立了高溫熔體中氣體發泡高度隨時間變化的方程，為進一步深入的研究發泡機理奠定了一定的基礎。
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