次生晶粒 的英文怎麼說

中文拼音 [shēngjīng]
次生晶粒 英文
secondary grain
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  1. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金化50crv鋼強韌化機理,本文通過對不同淬火溫度,回火溫度,回火時間下的力學性能指標的對比及顯微分析,認為微合金元素的細化,馬氏體的回火分解,殘余奧氏體的轉變,第二相的沉澱析出共同決定了微合金鋼的強韌化情況,特別是由於微合金元素的存在,其細化及其碳氮化物的沉澱析出,導致鋼的良好的強韌性,並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應,會在硬度曲線中產明顯的二硬化現象。
  2. By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water

    周圍礦床的風化蝕變為表水提供了鐵質,形成弱酸性的含fe ( oh ) _ 3膠體的水溶液,表水流經翡翠礦石時, fe ( oh ) _ 3膠體附著在巖石的表面,經過脫水結和吸附,形成褐鐵礦膠體,褐鐵礦膠體沿裂隙或鬆散的礦物顆進入翡翠巖石中,逐漸累積沉澱,形成色層。
  3. The dominant storage space is the solution micropores, the honeycomb - like solution pores and the kaolinitic intercrystalline pores. the pore throat is small to very small. the main characteristics of the reservoirs are low porosity and low permeability

    砂巖的儲集空間以內溶孔、間溶孔、高嶺石間隙等微孔隙為主,具有孔徑小喉道細的特點。
  4. For the ceramic materials, the effects of additives such as pbo, b2o3, co2o3, mno2, cr2o3, sb2o3 on the electrical properties of bismuth - free zno - glass varistor were studied. the glass phase formed mainly by pbo and b2o3 during sintering process could decrease the sintering temperature, improve grain uniform growth and inhibit grain second growth. nonlinear property could be improved by properly adding co2o3, mno2, and cr2o3

    對瓷料而言,系統研究了非bi系zno -玻璃料配方體系中pbo 、 b2o3 、 co2o3 、 mno2 、 cr2o3 、 sb2o3等添加劑對壓敏電阻電性能的影響規律,其中, pbo 、 b2o3在燒結過程中形成的玻璃相,可降低燒結溫度,促進均勻長,抑制長大, co2o3 、 mno2 、 cr2o3做為非線性添加劑,適量添加可提高樣品的非線性, sb2o3做為改性添加劑,在燒結過程形成的尖石相可細化,抑制長,改善樣品的綜合電性能。
  5. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到, pp mmt _ ( ome )屬于完全插層, pp mmt _ ( om )與pp ommt的插層程度相近,但是pp mmt _ ( om )相對較好;通過對純pp和三種pp mmt納米復合材料的結性能研究發現,蒙脫土納米片層對pp結明顯的異相成核作用,結能力增強,使pp的結溫度和結速率提高,結度增加,球細化,但是沒有改變pp的結形態,三種pp mmt納米復合材料的結形態都屬于;通過對pp mmt納米復合材料的力學性能測試得知,蒙脫土的加入全面提高了pp的力學性能,缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高,浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大,不過ommt 、 mmtom和mmtc ) me三種蒙脫土對pp力學性能有著不同的改性作用,其中pp / mmtom最好, pp月邊mto崛之, pp / ommt最低,這種情況主要是由蒙脫土對pp結性能的影響和蒙脫土的納米改性作用造成的。
  6. Results show that the brittle fracture is mainly caused by hydrogen brittleness that results from the oxidation arid absorbing hydrogen of copper tube during braze welding

    同時在加熱和冷卻時,由於異種材料的熱脹系數差別過大,產的較大熱應力作用於已存在的裂紋,促使裂紋二擴展,甚至使得脫落產空洞,最終導致焊接接頭漏氣失效。
  7. In the research on the physical and chemical properties of chromium, afm was first used to explore the effect of technological conduction to the topography of coating deposited, the size of crystal grain and the regularity of the growth of crystal grain

    在對鍍鉻層理化性能研究方面,論文採用afm首觀察到電鍍工藝條件與鍍層形貌、尺寸、長規律之間的關系。
  8. All of these reservoirs have bad physical property with lower porosity and lower permeability. mainly reservoir paces is cracks ( structure crack, diagenetic crack ), the following is primary intergranular pores, primary intragranular pores, intergranular solution pores, intergranular solution pores, intercrystaline pores and so on. this layer was in later diagenetic a stage

    這些儲集體的物性都很差,為低孔、低滲儲層,其儲集空間主要為裂縫(構造縫、成巖縫等) ,其為原間孔、溶蝕間孔、原內孔、溶蝕內孔和間孔等。
  9. The gel c - s - h has the trend to crystallizing and transforming into low crystallized hydrates, which were similar to tobermorite. the incorporation of mineral mixtures improves greatly the orientation of ch either in interface zone or matrix zone and the crystal sizes also become small

    由於礦物摻合料的核作用、填充密實和二水化作用,明顯改善了界面過渡區和基體中ch的擇優取向,並且不論是在界面區還是基體中,結相的尺寸都發了明顯的細化。
  10. This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4

    本論文以量子結構自組裝為出發點,提出利用杯芳烴及其衍物的化學受限反應實現尺寸可調半導體納米子自組裝;提出有機聚合網路原位組裝zns基納米熒光粉方法,把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成,適于低成本,批量產;根據當前zno的研究情況,我們首合成了非zno ,研究了它的光學性質,確定了它的結構,並對其摻雜進行了初步的研究,非zno表現出強的深紫外發光特性,而可見發射非常弱,是一種有巨大潛在應用價值的深紫外發光材料;利用非zno的亞穩特性,對化過程中非zno納米zno三維受限量子結構特性,界面特性進行了深入的研究;利用固相熱分解一般受擴散控制特性,實現了尺寸可控的zno三維量子結構的自組裝;利用非zno的高度分散性,容易均勻成膜特性,實現了非誘導低溫液相外延自組裝長高取向zno體薄膜。
  11. Grain size, the semiconducting of grain and the insulating of grain boundary were keys to the single - fired process of preparation of srtio3 - based double function ceramic, and affected directly the dielectric and varistor properties

    在srtio _ 3基雙功能陶瓷的一燒成制備過程中,最關鍵的是長、半導化和界絕緣化,它們直接影響陶瓷的壓敏和介電性能。
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