縮聚作用 的英文怎麼說

中文拼音 [suōjùzuòyòng]
縮聚作用 英文
polycondensation
  • 縮 : 縮構詞成分。
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  1. The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete

    研究結果表明，水泥的品種和用量是影響混凝土收縮值的主要因素之一，當混凝土中水泥用量超過470kg / m ~ 3時，混凝土的收縮值超過400 10 ~ （ - 6 ） ，在約束狀態下存在高開裂風險；採用細砂使混凝土單位用水量顯著提高，收縮值也大幅增加；優質粉煤灰總體上能抑制混凝土的收縮，以超量方式摻入其抑制作用更加明顯，但粉煤灰混凝土早期的粘聚性較差，應注意養護，以免失水產生龜裂；早強減水劑和緩凝減水劑都會使混凝土收縮值增加；膨脹劑只能補償混凝土部分收縮，同時受緩凝劑和粉煤灰的抑制，而且膨脹使混凝土的體積安定性增加了不確定因素，膨脹劑不是解決混凝土收縮裂縫的良方。
  2. We call the new quantum phenomenon that ca n ' t be explained by classical theory non - classical feature of cavity field. it has been proved by experiment, that quantum states of cavity field can exhibit three non - classical features, i. e. photon antibunching effect, sub - poissonian statistics distribution, and squeezed states

    在光場與原子相互作用的過程中會出現某些不能為經典理論所解釋的新的量子現象，人們統稱這些現象為光場的非經典效應，目前實驗上所觀測到的非經典現象有光子的反聚束效應、亞泊松分佈和光場的壓縮效應。
  3. It has been shown that : with the increase of the kerr medium intensity parameter u, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid, the antibunching effect becomes strengthened ; with the increase of n, the interaction between the field and atoms gradually becomes weak, however, the interaction between the field and the kerr medium gradually becomes strengthened and happen in advance ; with the increase of the coupling constants of two atoms, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid too, the antibunching effect becomes weak

    結果表明：隨著值的增加，光子統計演化曲線的rabi振蕩的幅度減小，振蕩頻率變快，系統的反聚束效應增強；隨著初始場強（ ? ）的增大，場與原子的相互作用逐漸減弱，而與介質的相互作用逐漸加強並提前發生。隨著原子間耦合系數g的增大，光子統計演化曲線的rabi振蕩的幅度減小且振蕩周期縮短，同時，系統的反聚束效應減弱。
  4. It has been shown that whether resonant or non - resonant interaction system, the kerr effect weakens the coupling of the field - atom, shortens the cycle of quantum collapses and revivals of the atomic level occupation and makes the nonclassical correlation properties steady. kerr effects on the properties of the correlation, on the correlation intensity between the two - mode, on the photon - number distribution and on the bunching or antibunching effect of the two - mode su ( 1, 1 ) coherent states produce obviously different characters when it is changed the initial intensity of the light field. that is to say, kerr effect on the two interaction systems is accorded

    數值計算結果表明：無論是共振還是非共振相互作用， kerr效應均使原子與光場的耦合減弱，原子布居的崩塌與復甦的周期縮短，光場的非經典相關的穩定性增強；在初始光場較弱和較強兩種情況下，類kerr介質對雙模su （ 1 ， 1 ）相干態場兩模間的相關性、相關程度以及光子的聚束與反聚束效應產生的作用均有明顯的區別，即kerr效應對系統在共振及非共振作用時的影響是一致的。
  5. It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed

    ）的增大，量子噪聲分別減小和增大；虛光子過程使光場的反聚束效應增強，使光場的壓縮程度明顯加深，並引起了附加的「熵振蕩」 ，這種附加「熵振蕩」的幅度將隨著光場初始平均光子數（ ? ）的增加而增大，隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質，研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。
  6. It is found for the first time that for alloys in instable region, with enhancement of atomic interaction energy, pregnant period of " phase is shortened, degree of ordering and composition order parameter of ordered phase is increased, process of clustering in ordered phase accelerated, i. e. process of congruent ordering is quickened and velocity of spinodal decomposition is expedited

    首次發現，隨著原子間相互作用勢的增加，失穩區合金中有序相的孕育期縮短，有序度有所增加，有序相內成分序參數提高、原子簇聚過程提前，即加快了等成分有序化的進程和失穩分解的速度。
  7. It is firstly found that for alloys in transitional region, with enhancement of atomic interaction energy, pregnant period of " phase is shortened dramatically, and process of clustering accelerated remarkably, stages of growth and coarsening of " phase brought forward, i. e. precipitation mechanism of alloy in transitional region incline to that of alloy in instable region

    首次發現，隨著原子間相互作用勢的增加，過渡區合金中有序相的孕育期明顯縮短，原子簇聚過程明顯提前，相的長大和粗化階段也有所提前，即促使過渡區合金的沉澱機制偏向失穩區合金。
  8. The subsidiary company, yongan fuhuaxian articles supply factory, can produce 191 serial unsaturated polyester resin which is a clear and heavy - bodied liquid. it is made by the method of the solvation of linear unsaturated polyester resin, which is condensated and polymerized after the esterification of biatomic acid and diatomic alcohol, into phenylethylene solvent, which is a crosslinking active monomer

    所屬子公司永安市福化纖用品廠生產的191系列不飽和聚脂樹脂，系由二元酸酐和二元醇及其縮合物經酯化反應，縮聚成線性不飽和聚酯樹脂，然後經具有交聯作用的活性單體溶劑苯乙烯所溶解而配製成的透明粘稠液體。
  9. In the volume change study, we found appropriate temperature is helpful for shrinkage control, and different lpas have different shrinkage control effects due to their dipole moment, tg, miscibility with upr and morphology after blending. there existed an optimal concentration range of poly ( vinyl acetate ) based lpas for shrinkage control. lpa was effective for shrinkage compensation in this range, on the other hand, lpa only acted as filler and the low profile effect vanished out of this range, however, for polystyrene based lpa, the more concentration the better shrinkage control

    在膨脹研究中，發現適當的溫度條件更有利於upr達到好的收縮控制效果；不同類型的lpa隨著偶極矩、玻璃化溫度、與upr的相容性、與upr的混合形態的不同，表現出不同的收縮控制效果；聚醋酸乙烯酯類的lpa - a存在一個最佳收縮控制的濃度范圍，在這個范圍之內， lpa起到補償收縮的作用；而在這個范圍之外， lpa的作用僅相當于填料，不能起到收縮控制。
  10. The theory hypothesis of " pore restriction " is first proposed in this paper. during polymerization, one end of linear molecule inserts the channels of zeolite to form hard end through chemical bond or supermolecule acting force, the other end forms soft end through condensing or polymerizing with other monomer molecule. on the basis of the theory hypothesis, a kind of novel pattern of organic - inorganic composite materials - pu / zeolite composite materials - has been designed

    本文首次提出了「孔約束」的理論假說，即在高分子材料聚合過程中，線型分子的一端通過化學鍵或超分子作用力插入分子篩的孔道中形成硬端，而另一端則與其它單體分子縮合或聚合形成高分子材料的軟端；在此假說的基礎上，設計了一類孔約束型有機?無機復合高分子材料的新模式，即聚氨酯/沸石分子篩復合材料。
  11. Abstract : because the water - binder ratio of both high strength concrete and high performance concrete are very low, it bring about the following consequences such as : 1, the grade of cement strength would be a negligible symbol 2, the effectiveness of mineral admixture would be considerably improved 3, the high cohesion of the mixture and concrete " s shrinkage and creep would be changed etc. all these consequences should be well deliberated by the construction circles

    文摘:高強混凝土和高性能混凝土因其水膠比都很低，給配製與施工帶來如下現象：水泥標號的「標志」作用淡化，礦物摻合料的作用顯著改善，拌合物的高粘聚性、混凝土的收縮和徐變性能的變化等，這些現象都值得施工人員注意。
  12. This has an important meaning to the industrial manufacture. dsc, waxd and polarizing microscope with hot stage experiments were performed to describe what led the ssp rate acceleration of pet / mmt. it was shown that montmorillonite acted as a very good nucleating agent in pet crystallization process, which results in the lower crystallinity, more small microlites, and more surfaces of microlites

    為研究pet mmt固相縮聚效率提高的原因，通過熱臺偏光顯微鏡、 dsc 、 x -射線衍射等手段對樣品的結晶進行觀察與分析研究，結果表明蒙脫土對pet的結晶有明顯的成核作用，使其晶核生成速率迅速提高，晶核數量明顯增多，從而使整個結晶過程的時間變短，同時形成了更多結構不完善的微晶體。
  13. The mechanisms of such treatment have been proposed as inhibition of proliferation and angiogenesis, as well as induction of differentiation and apoptosis, as has been tested by various in vivo and in vitro experiments. in our experiments, it has also been demonstrated that after the treatment of arsenic trioxide, the k562 cells has undergone major morphological changes, which included nuclear shrinkage, membrane bleb and scattered apoptotic bodies. dna gel electrophoresis also discovered that the typical " dna ladder " phenomena in the treatment group, while the control group showed the regular genomic banding

    我們在實驗中觀察到as _ 2o _ 3作用人紅白血病k562細胞后，細胞生長明顯變緩，部分細胞出現皺縮、染色質濃聚及胞膜起泡現象，部分細胞胞膜破裂，在其周圍有緻密的凋亡小體出現， dna電泳出現典型的凋亡「梯狀」帶，提示as _ 2o _ 3能有效抑制k562細胞生長，誘導k562細胞凋亡。
  14. 08. 03 practice for operating fluorescent uv and condensation apparatus for exposure of photodegradable plastics

    光降解塑料輻照用熒光紫外線燈和縮聚裝置的操作慣例
  15. The shrinkage reducing rate can reach to 70 % at the 7th day, and the shrinkage reducing rate can reach to 40 % at the 28th day. it doesn ’ t reduce the intension of the concrete. it can have an ability of 10 18 % of reducing water rate

    通過對比試驗發現，聚丙烯酸鹽類減縮劑的最佳摻量為水泥質量的1 . 2 % ， 7天減縮率可達70 % ， 28天減縮率可達40 % ，且不降低混凝土的強度，具有10 18 %的減水率，有一定的緩凝作用。
  16. This product is woven on shuttle looms with polyester fibers in the warp direction and e glass fibers in the weft direction, with its features of heat - resistance insulation and heat shrinkability it can be used as the binding metarial for electrical machinery and appliances

    本產品系採用經紗為聚酯纖維，緯紗為無堿玻璃纖維織造而成，具有一定耐熱性，絕緣性及熱收縮性適用於作電機和電器的綁扎材料。
  17. The influence of polypropylene fiber, expansion agent and both of them on moisture expansion and dry shrinkage of the filled wall were systematically tested. the testing results and theoretical analysis slowed that polypropylene fiber was the most beneficial to restrain it ’ s moisture expansion and drying shrinkage, however, the block doubly blended with polypropylene fiber and expansion agent can most beneficially improve crack - resistance of wall filled with the stone ballast block, at the

    試驗結果和理論分析證明上述試驗結果及理論分析，即單摻聚丙烯纖維、單摻膨脹劑和雙摻聚丙烯纖維與膨脹劑均能限制混凝土空心砌塊的濕漲干縮，其中，聚丙烯纖維的限制效果最好;但是，膨脹劑的補償收縮與聚丙烯纖維的限縮聯合作用使得雙摻砌塊更有利於增強混凝土空心砌塊填充墻的整體抗裂性能。
  18. The effects of the monolayer - formation conditions on the monolayer behavior, including the phase structure ( molecular packing ), intermolecular interactions, stability, and so on, were discussed. based on the theory model we study low molecule weight surfactant ( behenic acid ) and phospholipid monolayer and the cyclic isotherms of their mono layers ; including the standard thermodynamic characteristics and aggregation of the cyclic isotherms

    從力學性質著手，我們討論了成膜條件對相態結構（分子排列） 、分子間作用力、穩定性等物理化學性質的影響；在此基礎上，利用現有的理論模型討論小分子化合物（二十二酸）及其磷脂分子壓縮、擴張過程分子聚集、擴散機理及其熱力學問題。
  19. The results shows that the combined use of fibers and expansions was superior to the use of fibers or expansion agents alone in reducing the amounts of plastic shrinkage cracks and diminishing the size of cracks, and it improved the resistance to plastic shrinkage crack extremely

    文章研究了聚丙烯纖維和膨脹劑復合對砂漿塑性收縮裂縫的影響，結果顯示，纖維與膨脹劑復合，在減少塑性收縮裂縫數量和細化裂縫兩個方面均優于纖維或膨脹劑的單獨作用，砂漿抵抗塑性收縮開裂能力顯著提高。
  20. This was due to three reasons : ( 1 ) baso4 particles were rigid inorganic particles, which could hinder the retraction of polymer molecules and decreased the elasticity. ( 2 ) a bad compatibility between baso4 and tpu, small interface adhesive force and the phase interface ready to separate. ( 3 ) during high content of baso4, the tenacity of filament mainly depended on tpu, so that the strength decreased with the content of tpu in filament down

    這是因為： baso _ 4屬于剛性粒子，阻礙tpu大分子鏈的回縮，降低了纖維的彈性； baso _ 4與tpu相容性極差，共混時容易形成相界面，界面結合力小，受外力作用時相與相間容易發生分離，使纖維的力學性能下降； baso _ 4在高含量下，纖維強度主要由聚合物的力學性能決定，隨著baso4含量的增加， tpu所佔比例下降，從而在宏觀上表現出纖維的力學性能下降。
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