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- Selectoforming process was the first commercial catalytic process employing a shape selective zeolite catelyst. 選擇重整工藝是使用擇形沸石催化劑的第一個商業催化工藝。
- The catalytic dewaxing (CDW) of lube oil fractions with shape selective zeolite catalyst before and after the removal of basic nitrogen was compared. 本文比較了潤滑油餾分脫除鹼性氮化物前後的催化降凝效果(採用擇形分子篩崔化劑)。
- Indcating effective suppression of trimethylamine(TMA) format ion over the zeolites, which is due to the shape selective catalysis of zeolites. 對三甲胺表現出明顯的抑制效應可歸結於沸石的擇形催化效應。
- High reaction temperature and the existence of shape selective zeolite were in favor of benzene formation during cumene cracking. 高溫和擇形分子篩有助於提高異丙苯裂化生成苯的產率和選擇性;
- The results showed that the shape selective effect of the faujasite is obvious, and the thermodynamic balance exists between 2,6 DTBN and 2,7 DTBN. 結果表明,八面沸石對該反應過程有較好的擇形催化作用,兩種異構化產物(2,6二叔丁基萘和2,7二叔丁基萘)之間存在著熱力學平衡,即兩種異構化產物可在酸性中心位上相互轉化。
- The latest application of zeolites shape selective catalysis in the production of ethylbenzene or cumene, along with synthesis of methylamine was briefly described. 綜述了90年代以來分子篩擇形催化在利用煉廠氣合成乙苯、異丙苯和甲胺等工業生產方面的最新應用。
- With the shape selected, type the text you want the main idea to represent. 選取該形狀,鍵入要表達中心思想的文字。
- The physicochemical features of ZSM 5 zeolite modified with phosphorus oxide were characterized by XRD, NMR, IR and BET, and the shape selective catalytic performance of the samples were investigated on MAT and fixed fluidized bed reactor. 採用磷氧化物對ZSM 5沸石進行修飾改性 ,用XRD、NMR、IR、BET等物化手段對改性后沸石的物化性質變化情況進行了表徵 ,並採用輕油微反和小型固定流化床催化裂化裝置對改性后的樣品進行了反應性能評價。
- To meet the needs for study the shape selectivity of zeolite molecular sieves,an approach for estimation of molecular dimensions was developed. 為滿足研究沸石分子篩擇形選擇性的需要,對分子尺寸的估算進行了探討。
- Layered compounds have many functional characteristics, such as shape selecting catalysis, heat stability, and can be used in lithium batteries, superconducting materials and etc. 具有多種功能特徵:如擇形催化作用、熱穩定性、用做鋰電池材料和超導材料等。
- If we can pull through this recession, we will be in good shape. 如果我們能渡過這段經濟不景氣的時間,我們就會好多了。
- For Property, Condition, and Value, select options that limit the shape selection to only the shapes you want to report on. 對於「屬性」、「條件」和「值」,請選擇相應的選項,將形狀選擇限制為要報告的形狀。
- I am in no shape worthy of your father's care. 我完全不值得你父親的關懷。
- She helped to select a dress for Ruth. 她幫著給露絲選了一件衣裳。
- A strange shape could be seen through the fog. 在霧中隱約可見到一個奇怪的人形。
- He find it difficult to give shape to his idea. 他覺得很難把他的想法,明確表達出來。
- He gets tired easily; he must be out of shape. 他很容易疲倦,一定是身體有毛病。
- She is selective in the dresses she wears. 她對於自己穿的衣服精挑細選。
- He's taking lots of exercise to get into shape. 他正積極鍛煉使身體健康。
- The handle of this teapot has an awkward shape. 這茶壺把兒的形狀真彆扭。