氮封 的英文怎麼說

中文拼音 [dànfēng]
氮封 英文
nitrogen sealed
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  1. Reactively sintered silicon nitride seal ring for mechanical seal

    機械密封用反應燒結氮化硅密封環
  2. Tianjin fengdong heat treatment equipment co., ltd, sino - japanese joint venture, is a specialist firm to produce unicase series multi - purpose complete set, speria series pre - vacuum multi - purpose furnace complete set, uninite gas soft - nitriding furnace complete set, mesh - belt type continuous furnace, pit type bright annealing furnace and pit gas carbonitriding furnace complete set

    全套技術，生產滴注式unicase系列密封箱式多用爐成套設備， speria bbh型預抽真空多用爐成套設備，氣體軟氮化爐成套設備，網帶式連續爐，井式光亮退火爐及井式氣體滲碳爐成套設備，並承接各種非標熱處理設備的設計和製造。
  3. The transportable powder series extinguishers are effective extinguishing appliances, in which extingshing agent sodium bicarbonate or ammonium phosphate powder together with the driving gas - nitrogen are filled in a full - sealed container. during application, nitrogen drives to jetting powder for extinguishing, which is advanced in technology, simple in structure, convenient in operation, maintenance and storage, safe and reliable

    推車式乾粉系列滅火器是一種新型高效的滅火器材，它使用磷酸銨鹽或碳酸氫鈉乾粉滅火劑和驅動氣體氮氣一起灌裝在全封閉的容器內，滅火時由氮氣驅動乾粉滅火劑噴射滅火，具有技術先進，結構簡單、操作方便、易於維修、便於保管，安全可靠等優點。
  4. Urea granules are coated with liquid sulfur under suspension and recycle conditions. the coating is well proportioned to achieve the even controlled release of the nutrients

    全封閉狀態下，尿素顆粒在循環和懸浮的條件下完成熔硫的塗膜過程，保證每個尿素顆粒塗膜均勻，實現對氮元素的養分控制釋放。
  5. Natural gas - determination of composition with defined uncertainty by gas chromatography - determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to c8 using two packed columns

    天然氣.用氣相色譜法測定規定不確定度組分.利用兩個封裝柱進行氫氦氧氮二氧化碳和c8碳氫化合物的測定
  6. Flat - bottomed, vertical, cylindrical storage tanks for low temperature service - specification for the design and construction of single containment tanks for the storage of liquid oxygen, liquid nitrogen and liquid argon

    低溫用平底立式圓柱形儲罐.液態氧液態氮和液態氬儲存單層密封儲罐的設計和製造規范
  7. Portable stored - pressure powder series extinguishers are effective extinguishing appliances, in which extinguishing gaent sodium bicarbonate and ammonium phosphate powder together with the driveng gas - nitrogen are filled in a full - sealed container. during application, nitrogen drives to jetting powder for extinguishing, which is fast and effective in extinguishing, light in weight, convenient and simple in operation, safe and reliable

    手提式乾粉系列滅火器是一種輕便高效的滅火器材，它使用磷酸銨鹽和碳酸氫鈉乾粉滅火劑和驅動氣體氮氣一起灌裝在全封閉的容器內，滅火時由氮氣驅動乾粉滅火劑噴射滅火，具有滅火速度快、重量輕、效率高、使用方便、靈活、安全、可靠等特點。
  8. A convenient and effective testing system for plastic eacapsulated microcircuit is designed. the testing results show that si3n4 passivation on test chip has the better protection than that without si3n4 passivation, and silicone gel coating can prevent moisture from the surface of the chip more effectively than polyimide coating, and molded plastic from varied manufacturers has the different effect on microcircuit due to its diversity

    貯存試驗的結果表明，在晶元上加氮化硅鈍化層比不加鈍化層具有更好的防護效果；與聚酰亞胺膠內塗層相比，硅酮膠內塗層更能有效地阻止水分到達晶元的表面；由於材料本身的差異，不同廠家生產的模塑封裝材料對微電路的影響也不同。
  9. Study on the nitrification treatment efficiency of three kind biofiller in the closed recirculating aquaculture system

    封閉循環水產養殖系統中三種生物濾池除氨氮效果的比較
  10. Abstract : the present paper deals with the design principle of the iron - nitride magnetic static sealing device, analyzes the bearingpressure ability and experiment, and states the success of the magnetic fluid safety valve for sealing and the testing results of thefunctional parameters

    文摘:敘述了氮化鐵磁性流體靜態密封裝置的設計原理、磁性流體靜態密封承壓能力分析和實驗驗證，成功地研製出"氮化鐵磁性流體密封安全閥" ，並取得磁性流體密封安全閥各種功能參數的測試結果
  11. The effects of nano - tio _ 2 photocatalyst were tested on purifying nitrogen dioxide, sulfur dioxide and formaldehyde in 4m3 sealing chamber. in addition, the effects of three types of air cleaners on purifying formaldehyde were also tested in this chamber

    在4m3的密封倉內測試了納米tio _ 2光催化塗料對二氧化氮、二氧化硫的氧化及對甲醛的降解效果，結果發現應用自製的納米tio _ 2顆粒製成的光催化塗料對三種典型的空氣污染物有較好的降解效果。
  12. The product should not be stored in uncoated drums as it may react with iron resulting in increased oxidation leading to a reduce quality in color and an increase of oxidized products

    本品需貯存在密封桶內，充氮避免氧化本品，不能貯存在鐵制包裝桶內，避免色澤變化及增加氧化物質。
  13. The product is stable for at least 3 years if drum has not been opened, if drums have been opened for sampling for use, the headspace must be flushed with nitrogen prior to restoring

    共軛亞油酸乙酯在包裝桶密封未開啟情況下可以保存三年。如果開啟包裝取樣，必須再次充氮進行貯存。
  14. Since wedgeplug valves do not require seal lubricants, they are suitable for such services as liquid and gaseous oxygen and nitrogen, food products, refined products, and various other chemicals where the presence of greases used for plug seal lubricants would contaminate the products and be harmful

    由於楔塞閥不需要密封潤滑，因此它們是用於下列應用，液態和氣態氧和氮，食品，精煉石油產品，以及各種其他採用閥塞彌縫潤滑油會污染產品和造成損壞的化工產品。
  15. Sealed nitrogen laser

    密封式氮激光器
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