緻密型 的英文怎麼說

We also attainted mosi2 / sic composite by using melting mosi2 infiltrated sic body which shaped by sic powder. the result show that the diameters of sic particle and shaping methods have effect on the composite ' s microstructure and properties

另外，嘗試了用mosi _ 2在2050下浸滲直接由sic粉體成型的坯體制備mosi _ 2 / sic復合材料。採用sic顆粒的級配有利於提高坯體密度，但是降低燒結體的緻密度。

Back covered porous brick has been developed in the late period of 1990 ' s, and is produced by semi - dry - pressing method. it has such many advantages as high production efficiency, energy saving, high density, beautiful appearance, high strength, easy bricklaying, and can save 1 / 3 masonry mortar compared with solid brick

盲孔多孔磚是20世紀90年代後期研製成功的、用半干壓法壓製成型的封底多孔磚，它生產效率高，節約能耗，產品緻密，外形好，強度高，易砌築，用於砌體工程時，可節約1 3砂漿。

Mas precursor powders were uniaxially pressed at 100 mpa employing a lubricated steel cylindrical mold. after sintering at 1450 for 2 hours, single - phase cordierite ceramic is prepared, and its relative density is 95. 1 %

Mas先驅體粉末在100mpa的軸向壓力下成型后，經1450無壓燒結2小時，得到單相堇青石陶瓷，其緻密度達95 . 1 。

Cyclic pressing is a new kind of densification processing, which is introduced to densify as - deposited ring of al - 20 % si / sicp. this paper includes the densification result and rule of this technics. the research shows that this technics can be successfully used to densify spray - forming porous material and can be availably adopted to improve mechanical performance and microstructure. this technics is characterized by simple equipment 、 small expense and flexible process, and these characters will make it come true to producing spray - deposited rings less costly

本文採用一種新型緻密化工藝?楔壓工藝?對噴射沉積al - 20 % si / sicp大環進行了緻密化加工，採用密度硬度分佈、抗拉強度變化和檢測顯微組織變化的實驗研究方法對其緻密化效果及該工藝規律進行了研究，通過研究表明了楔壓工藝可以成功地用來緻密化噴射沉積多孔材料，該工藝有效地提高了噴射沉積大環件的緻密度和抗拉強度並改善了組織。

As an advanced materials preparation technology, spray - deposition has shown remarkable superiority in producing large - sized alloys and metal matrix composites. however, the spray deposeted preforms usually contain a certain quantity of porosity. besides, the oxide films on the surface of the particles lead to week metallurgic conjunction between the particles. in order to obtain an ideal structure and performance, the porous preforms need further densifying and plastical forming. in this paper, a new technology named wedge pressing was used to densify spray - deposeted 5a06 aluminium alloy, in which the large deformation can be obtained through the sum - up of local deformation and multi - step small deformation. this method can also solved the problems in traditional processing and greatly decreased the producing cost. what ’ s more, the reserch on the wedge pressing desification rules about the large - sized spray deposeted preforms was significant it was vital not only to the further densification of the prefoums but also to the further research on plastical deforming the research was also benefit to the industrialization an the application of the spray deposeted porous materials

坩堝移動式噴射沉積技術作為一種先進的材料制備新技術，在制備大尺寸合金及金屬基復合材料方面具有顯著的優越性。然而噴射沉積坯件特別是大型坯件通常存在一定量的孔隙，顆粒表面存在一定量的氧化膜，顆粒之間未能完全達到良好的冶金結合狀態，因此需要進行后續緻密化和塑性變形才能獲得理想的組織和性能。本文採用一種新型的楔形壓制工藝，即通過局部變形、多道次小變形累積實現大變形的緻密化加工方法，對噴射沉積多孔坯料進行后續緻密化和塑性變形，很好地解決了傳統加工工藝的難題，大大降低了生產成本。

Results the major morphologic changes were as follows : histologically, alveolar inflammation and interstitial fibrosis were observed. electron microscopic findings were : 1. alveolar type i cells were degenerated 、 broken - down and desquamated, endothelial cells were swelled, with inter cellular tight junction shortened, alveolar type ii cells hyperplastic, basement membrane thinned and deformed ; 2. alveolar macrophages and interstitial macrophages were hyperplastic ; 3. mast cells were infiltrated and degranulated ; 4. electron - dense deposits were present at alveolar wall ; 5. myofibroblasts 、 fibroblasts 、 collagen and basement membrane like material were hyperplastic

電鏡觀察可見： （ 1 ） i型肺泡上皮細胞變性、崩解和脫落，內皮細胞腫脹，細胞間緊密連接短小， ii型肺泡上皮細胞增生，基底膜變薄和破壞； （ 2 ）肺泡巨噬細胞、間質巨噬細胞增多； （ 3 ）肥大細胞浸潤並見脫顆粒現象； （ 4 ）肺泡壁電子緻密物沉積； （ 5 ）肌纖維母細胞、纖維母細胞、膠原原纖維及基底膜樣物質增生。

The compact fiber core layer make the sections very tough and firm, the lengthways bend intensity and compact intensity is higher than common rolled steel

緻密的纖維芯層使得型材非常堅韌牢固，其縱向彎曲強和沖擊強度的絕對值已高於普通鋼材。

So although there are better oiliness in peng ii, peng iii, peng iv gas pool and there are industrial off - take potentia after compressive fracture, this gas pool belongs to lower permeability, convention sand - density sand, little to middle throat - punctate pore, sealing elasticity gas drive, partly poor water drive, normal pressure, net gas, lithologic trap to nose - like structure - lithology compounding trap model

所以，雖然新都氣田蓬萊鎮組蓬二、蓬三、蓬四段有良好的含油氣性，且經過測試均獲得工業產能。但總體上該氣藏隸屬低滲常規砂巖?緻密砂巖，小及中喉?細孔孔隙型，定容封閉彈性氣驅，部分弱水驅，常壓，干氣，巖性圈閉及鼻狀構造?巖性復合型圈閉氣藏類型。

It is this marked increase in the dense fibrous tissue stroma that produces the characteristic hard " scirrhous " appearance of the typical infiltrating ductal carcinoma

緻密的纖維結締組織間質的顯著增生造成了典型浸潤性導管癌的特徵性病變硬癌特徵。

Fos + / th + / gfap + and fos + / vp + / gfap + triple labeled n - asc could be found in the mvz, pvn and son respectively ; ( 2 ) under electronic microscope, the astrocytic processes connected closely with the dendrites or axons of the neurons, where the bilateral membranes became thick. we call transiently it electron - dense areas ( edas ). the number of edas increased remarkably following hyperosmotic stimulation ; ( 3 ) when trace retrogradely, wga - hrp was microinjected into the unilateral son, pvn or nucleus of solitary tract ( nts ) respectively using the stereotaxic method, the n - ascs formed by the neurons triple - labeled with hrp / fos / th ( or vp ) and astrocytes labeled with gfap could be found in the mvz, son and pvn respectively ; ( 4 ) after being treated with heperosmotic nacl solution, intracellular calcium concentration in cultured hypothamic neurons and astrocytes increased and then decreased

腦內gfap陽性結構也明顯增多，其分佈與fos陽性細胞分佈基本一致，表現為胞體肥大、突起粗長； ast緊密包繞在神經元周圍形成神經元- ast復合體（ n - asc ） ；在mvz 、 pvn和son三重免疫組化染色切片上可見到fos + th + gfap +第四軍醫大學博士學位論文和fos vp gfap三重標記asc ； （ 2 ）免疫電鏡下son內星型膠質細胞突起與神經元樹突或軸突之間接觸部位出現增厚的膜結構一電于緻密區（ edas ） ，高滲刺激后數量明顯增多： （ 3 ）將們個mp注入大鼠一側n卜、卜卜或孤束核（ ws ） ，分別在延髓內臟帶（ mvz ） 、 so和pvn內出現fos hrp th 、 fos hrp八p三重標記神經元和gfap陽性標記ast形成的n asc ； （ 4 ）高滲刺激使培養神經元和ast內鈣水平先升高后降低，最後維持在比高滲刺激前稍高的靜息鈣水平上。

Abstract : basic stuff of sinter flyash ceramisite is flyash and clay as agglomerant. the si nter flyash ceramisite is of dense in structure, low porosity which can improve t he mechanical properties of the material. it has properties such as high strong a nd low absorption of water and better stability. it is a new type ofbuliding mate rial

文摘:燒結型粉煤灰陶粒的主要原料是粉煤灰和作為粘結劑的粘土，文中所述燒結粉煤灰陶粒結構緻密，孔隙率低，能較好地改善了材料的力學性能，具有高強、吸水率低、穩定性好等特點，是一種新型建築材料

Cementitious capillary crystalline waterproofing coating ( abbreviated ccwc ) is a new type of cement - based waterproofing materials, which is characterized by its very good adhesive performance and impermeability to water, self - rehabilitating ability, permanent waterproofing effect, good aging resistance and corrosion resistance, simple construction method and harmless to hunman etc. ccwc consists of ordinary portland cement, quartz sand and reactive substances and other supplementary ingredients, whose reactive substance can permeate into the internal part of concrete structures through water and produce insoluble crystals filling capillary pores or crack of the concret through reaction with cement hydrates and unhydrates

水泥基滲透結晶型防水材料是以硅酸鹽水泥或普通硅酸鹽水泥、石英砂等為基材，摻入活性化學物質而組成的一種新型防水材料。摻入的活性化學物質以水作載體向混凝土內部滲透，與混凝土中未水化的水泥及部分水泥水化產物發生結晶反應，生成不溶於水的結晶體，堵塞毛細孔道，使混凝土緻密、防水。這種防水材料具有粘結力強、抗滲性能好、自愈合能力強、防水效果持久、耐老化、耐腐蝕、易施工、對人類無害等特點。

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。

We also investigated the pathological changes of mouse liver, thymus and cerebrum cortex challenged by so2 inhalation by in vivo tests. we studied the apoptotic induction on mouse spleen cells and cytotoxicity of human embryo lung fibroblasts of so2 derivatives by in vitro tests. in vivo tests of sulfur dioxide inhalation showed : ( 1 ) effects on mouse lung of so2 challenge : we found no significant apoptotic changes induced by so2 inhalation but obvious pathological changes of lung with vacuolating of osmiophilic multilamellar bodies which maybe related with the decrease of surfacant and decrease of microvillus of type ii alveolar cells ; we also found thickening of part of basement lamina between type i alveolar cells and capillary endothelium cells which may inhibit the dispersion of oxygen and contribute to lung dysfunction

二氧化硫熏氣染毒的體內實驗結果表明，在本次實驗的濃度范圍內（ 56mg m ~ 3 、 112mg m ~ 3 、 168mg m ~ 3低、中、高三個濃度） ： （ 1 ）通過透射電鏡、 dna凝膠電泳分析和流式細胞分析發現二氧化硫吸入染毒一周對小鼠肺臟沒有明顯的凋亡誘導作用，但通過透射電鏡觀察發現二氧化硫可引起肺臟明顯的超微結構改變，引起型肺泡上皮細胞板層體空泡化，微絨毛減少，線粒體緻密化或腫脹變性；肺泡血管內皮細胞和型肺泡上皮細胞之間基膜增厚，使氧氣彌散功能出現障礙，從而降低肺功能。

The results show that, composite could be fabricated on the complicated surface by means of sodium silicate sand mold combination with vacuum infiltration process. when the substrate was 10 mm, composite layers reached 3 mm to 5 mm in thickness with high strength interface and less casting defect. microstructures of grey cast iron and low chromium cast iron matrix composites with various volume fraction has been analyzed

結果表明：用水玻璃砂型（芯）加負壓鑄滲的工藝能夠實現復雜表面（曲面）顆粒增強復合材料的制備，澆注方式簡單可靠，基材厚度在10mm時，復合層厚度能達到3 5mm ，且復合層鑄造缺陷少，復合效果好，界面緻密而且結合強度高。

Jejunal biopsy through enteroscopic examination revealed atrophic villi and dense infiltration in lamina propria by lymphocytes, with extension beyond the layer of muscularis mucosa

我們報告一例具典型臨床癥狀的31歲男性患者，其空腸切片檢查看到黏膜固有層中有緻密的淋巴漿細胞浸潤，浸潤程度已穿越黏膜肌肉層。

In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied

研究路線為：選用納米級al _ 2o _ 3陶瓷顆粒作為增強相，在超聲波的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷顆粒表面的金屬銅包覆，採用熱壓燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷顆粒增強銅基復合材料，研究分析復合材料的成分、組織結構、硬度以及緻密度，對試樣進行了干滑動摩擦磨損實驗。

Based on nanometer powders, cajc cvbased oxides were synthesized by constant sintering, cold isostate pressure and hot pressure methods. it can be found that sintering methods have a great influence on thermoelectric performances : the sample synthesized by hot pressure method is most dense and has the best thermoelectric performances. the microstructures and thermoelectric properties of cascog - based oxides doped by four dopants have been investigated

採用不同的后續工藝制備最終的熱電材料，研究不同工藝對熱電性能的影響發現：熱壓燒結制備出的熱電材料最緻密，其熱電性能也最好；先冷等靜壓成型后常壓燒結方法次之；直接常壓燒結法燒出的樣品氣孔最多，性能也最差。

The research on the properties of the copper nanoparticles / paraffin thermosensitive composite materials reveals : the thermal sensitivity and the thermal expansion are " aried by the cempress moulding in heat condition with the change in density ; the thermal sensitivity is varied by the mechanical milling with the change in particle shape and particle dimension ; the mass ration of copper and paraffin in the composite materials also affects the thermal sensitivity, the thermal expansion and the thermal stability with the change in copper nanoparticles and paraffin interface

對復合顆粒進行壓力成型后制備的復合材料進行性能測試分析表明：熱壓成型工藝通過改變復合材料的緻密度來影響材料的熱敏性和熱膨脹性。高能球磨工藝主要通過改變球磨時間使銅粒形狀和粒徑發生變化來影響復合材料的熱敏性，以及改變銅粉和石蠟的質量比使納米銅粒和石蠟的復合界面發生變化來影響材料的熱敏性、熱膨脹性和熱穩定性。

Finally, a fouling crystal treated with electromagnetism is compared with that of untreated under an electric microscope. they were found to have different structure. the fouling crystal treated with is less compacted in structure

4 、將經過電磁處理的污垢晶體和未經過電磁處理的污垢晶體在掃描電鏡下進行觀察和分析，發現電磁抗垢技術的機理是改變了污垢晶體的結構，由緻密型的霰石變為鬆散型的方解石。