水熱穩定性 的英文怎麼說
中文拼音 [shuǐrèwěndìngxìng]
水熱穩定性
英文
hydrothermal stability- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 穩定性 : antiwhip
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
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It is discovered that existence of small amount of n - butyl alcohol in mesoporous zeolite synthesis system can not only modify ordered degree of formation of mesoporous zeolite, which improves hydrothermal stability of it, but also help to attain much smaller, nearly nanometer, grain of mesoporous zeolite
研究發現,少量正丁醇的存在能改善介孔分子篩形成過程的有序度,並使其水熱穩定性得到提高,同時合成產物的粒度更小,趨近納米顆粒。The results of x - ray diffraction showed that there somehow existed some mutual influence between the two components in sf / pego blend membranes, which restrained silk crystallize but induced the formation of silk ii in blend films. the result of thermal analysis indicated that the thermal stability of silk fibroin in the blend membranes was improved, which was attributed to the addition of pego. the amino acids analysis showed the pego and silk fibroin combined with the covalent bond, and the dissolubility of silk fibroin in membranes was decreased
X射線衍射和紅外光譜分析結果表明pego改性絲素膜中,成膜的兩種組分間存在某種相互作用, pego抑制了絲素silk結晶,隨分子量的增加,促進了絲素silk結晶;熱分析結果表明pego的加入提高了絲素的熱穩定性;氨基酸分析表明pego與絲素發生了共價交聯,膜中絲素在熱水中的溶失率大大降低。Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance
通過試驗研究認為:玻璃纖維瀝青碎石的技術性能不如瀝青碎石好,但路用彈性性能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其直徑,其路用性能仍值得探討,瀝青橡膠碎石結構層具有變形性能和抗裂性能良好,空隙率小,防水性能好,熱穩定性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料,也是防止半剛性基層收縮裂縫反射的良好結構措施,在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗裂性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射裂縫,延長路面使用壽命,而且可能適當減薄瀝青混合料面層的厚度,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。Using the advanced technology by its head office ( newkey co., ltd. ), it produces various kinds of alumina black and white ceramic products. the component alumina ceramics, which are widely used in electron components, devices, electrical products, enjoy low loss of high frequency, high insulating strength, good specific volume resistance, small dielectric constant, high mechanical intensity and excellent airtightness and thermal and chemical stability
本公司根據目前市場需求,生產出各種型號的黑、白陶瓷產品,廣泛應用於電子、電工、化學工業、紡織工業、水暖、宇航、環保等諸多方面,系列產品有高頻損耗少,比體積電阻大,介電常數小,強度高,氣密性、熱穩定性、化學穩定性好等特點。Supramolecular assembly of methyl orangepillared hydrotalcite and its light and thermal stability
超分子結構甲基橙插層水滑石的組裝及其光熱穩定性研究Soluble in water and many organic solvent, owning good lubricity and thermal stability, almost having no toxicity and excitability, being able to occur esterification reaction and etherification reaction with other compounds
能溶於水和多種有機溶劑,有優越的潤滑性及熱穩定性,幾乎沒有毒性和刺激性,可與其他化合物起酯化、醚化反應。The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine
用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌:用xrd進行原料物相分析,及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度;用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性;用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化;用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試;採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定;用萊次偏光顯微鏡( pm )測試固體潤滑劑的硬度;用材料試驗機測試固體潤滑劑的抗壓強度等。The suitable steaming and support treatment on zeolite beta can obviously increase the hydration activity of catalysts, and the introduction of sillica enhances the steaming stability of zeolite beta
對沸石進行水熱處理和不同粘合劑改性,能提高其丙烯水合反應活性;氧化硅的引入能明顯提高催化劑的活性和水熱穩定性Method of test for hydrolytic stability of electrical insulating materials - moulded thermosets
電絕緣材料水解穩定性試驗方法.模壓熱固性Electrical insulating materials - methods of test for the hydrolytic stability - part 2 : moulded thermosets
電絕緣材料.水解穩定性的試驗方法.第2部分:熱模塑法Electrical insulating materials. methods of test for the hydrolytic stability. part 2 : moulded thermosets
電絕緣材料.水解穩定性試驗方法.第2部分:模製熱固塑料The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell
對磺化膜的研究分析表明:膜的性能參數如離子交換容量、吸水率、水合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含量,且接枝苯乙烯相互間的位阻效應對膜性能影響很大;膜的性能可與nafion膜相比較;質子在膜中的傳導遵循「似液體」質子傳導機理;電滲析與擴散作用使膜保持水平衡。On the basis of thermal stability of andrographolide and dehydroandrographolide, the influences of medicinal material factors ( habitats, collecting time, storage time ), thermal stability, production technology ( solvent, temperature, heating time and storage condition ) on the content of andrographolide and dehydroandrographolide in andrographis tablet ( at ) were explored so as to increase the quality of at
摘要依據穿心蓮內酯、脫水穿心蓮內酯的穩定性機理,從藥材原料(產地、採收季節、貯藏時間) 、熱穩定性、生產工藝(溶媒、溫度、受熱時間、貯藏條件)等方面分析穿心蓮制劑過程中影響穿心蓮內酯、脫水穿心蓮內酯含量的因素,探討提高穿心蓮片質量的措施。Under that condition the strain can produce the most concentration of the bioactive compounds. the physical and chemical properties of the actibacterial compounds have been studied, the results showed the bioactive substance has heat stable, acidity and weakly alkali stable. it can be dissolved in acid water, chloroform solvent, can not be dissolved in ethyl acetate, petroleum ether, alkali water. the result of thinlayer chromatography showed the bioactive compounds can give off blue and green fluorescence in the uv light. the paper chromatography demonstrate the bioactive substance may be a new construct compounds
研究表明,該活性物質具有較強的熱穩定性, ph 9的條件下能穩定存在,但ph 12的強堿性條件下活性物質的抗菌活性幾近喪失;活性物質易溶於氯仿、酸性水、不溶於乙酸乙酯、石油醚、堿性水;薄層層析顯示活性物質在紫外光下能發藍綠色熒光等特點;由捷克八溶劑系統紙層析鑒定該抗菌活性物質不屬於四大類抗生素,可能為一新的抗菌活性物質。Both ramie and flax are hydrophilic fibers, their thermal stability is not pretty well
麻纖維素含有大量羥基,親水性強,熱穩定性較差,加工成型溫度不宜過高。We also have outstanding talented experts in china, which form a software base to produce high - quality piston rings. anqing diamond pays a special attention to its nit riding, and the nitride piston rings have been highly honoured for its features. namely high modulus of elasticity, heat - resisting, wear - resisting etc
值得一提的是,帝邁德擁有卓越超群的氣體氮化加工工藝,使帝邁德氮化環的各項性能指標彈性模數熱穩定性耐拉缸性氮化層硬度深度和脆性等獲得國際同行界的高度評價,達到國際領先水平。Both of them are added to the reactor by way in turn at lower temperature to control the over - saturation of k2feo4, adoption of the lower reaction temperature as well as suitable reaction time, removing alkaline be done before disposing water and impurity in the purification procedure of k2feo4 cake
,其形貌呈長而薄的板條狀;該晶體的某些晶面與水氯法所得kj 。樣品相比出現了生長發育程度上的差異:本方法所得樣品的熱穩定性較高,隨著晶粒由小到大,固態凡eo 。的熱分解溫度為536 557k ,Synthetic mullite slag dam, high - alumina salg dam and mg - alcastable for continuous cadting tundish developed by this factory has good heat stsbility, strong erosion resistance. it is produced by adopting high aluminium and super fine powder little cement casting workmanship, which has such advantages as advanced craft, stable quality and distinguished function
連鑄中間包用莫來石擋渣堰板,高鋁質擋渣堰板,鋁鎂澆注料第我廠開發的適用於連鑄中間包用,具有熱穩定性好、抗耐蝕能力強等特點,它採用高鋁,超細粉低水泥澆注工藝技術生產,具有工藝先進,質量穩定,性能優良的特點。The smaller the ratio of nh3 / teos is more helpful for the synthesis of samples. the contraction from calcination of samples obtained in eda medium is proporational to the ratio of eda / teos at room temperature. the samples obtained in mixed basic media ( naoh / tea ) have thicker wall and more thermal stability than in naoh medium, but pore size is smaller correspondingly
氨水介質中, nh _ 2 teos值在( 8 , 25 )之間越小,越有利於mcm - 41的室溫合成;室溫條件下eda介質中得到樣品的燒成收縮量與eda teos的值成正比;與naoh介質相比,混合介質( na0h三乙醇胺)中水熱合成的樣品具有較厚的孔壁,有著更好的水熱穩定性,但同時孔徑相應較小。The synthesis and hydrothermal stability of aluminosilica molecular sieves al - mcm
41的合成與水熱穩定性評價分享友人