If using humidly hardener, the surface can be humid, but there should not be any panice. b the surface should be fastness, compact and smooth, without any sand streak, floppy shell, crack, comb, bug holes. Using light blasting spray to clean the unevenness and incompact raffle, and getting the appropriate roughness, filling the crack with HF61-30 mixed with fine sand. C the surface must be clean, and have no oil stain.
如采用湿固化涂装，则表面可潮湿但不能有浮水。b水泥表面应坚固、密实、平整，不能有起砂、起壳、裂缝和蜂窝麻面等现象，可采用轻喷砂法除去水泥面上的不平整和不结实的杂物，并使其具有一定的粗糙度，对裂缝可使用HF61-30添加适量细砂填补。c表面必须清洁，须除去表面油污。
A crack-free, fine and homogeneous Fe-based coating is obtained at a proper amount of Nb2O5 doped under suitable optimizing processing parameters.
通过工艺参数和Nb2O5含量的优选，获得了成形良好、无裂纹、组织致密均匀的高质量铁基激光熔覆层。
Roast Style 1 → Light Roast means the coffee is roasted to the stage of the end of 1st crack. You get the most aroma and the strongest acidity in the cup. If you like to enjoy the most original flavor of a fine coffee, try this roast style.
Roast Style 2 →城市烘焙 City Roast，第一爆结束30秒~60秒之间的程度，上扬的香气与明显的果实酸味为主体，并发展出更多因为烘焙而增添的转糖化甘甜味及醇厚感。
The cause for surface fine crack of 3Cr13 stainless steel transmission shaft was analyzed by chemical analyzing and metallographic examination.
通过化学成分分析及金相检验手段，对3Cr13不锈钢传动轴表面细纹的产生原因进行了分析。
Elastic pressure plate fine blanking remains the material under triaxial compressive stress state and breaks it away without attached crack by plastic shearing.
强力压板式精冲是使材料在变形区保持三向压应力状态，使之在不发生裂纹的情况下利用塑性剪切而分离。
The influence of fine martensite and the hot stress and phase stress becaus e of high heat and cooling rate on effect of crack preventing was discussed, too.
同时，对裂纹尖端热影响区的组织进行了分析，并讨论了因快速加热和冷却作用所获得细小淬火马氏体组织及热压应力和相变压应力对止裂效果的影响。
This result can be used to crack preventing. At same time, the microstructure of the front top of the crack was stu died. The influence of fine martensite and the hot stress and phase stress becaus e of high heat and cooling rate on effect of crack preventing was discussed, too.
同时，对裂纹尖端热影响区的组织进行了分析，并讨论了因快速加热和冷却作用所获得细小淬火马氏体组织及热压应力和相变压应力对止裂效果的影响。
The reason is that the addition of Cu element can improve the microstructures of the Sn-Bi-Cu solder by forming appropriate rod-like shape fine IMC crack pinning and strengthening β-Sn soft matrix, thus strengthening its soldering and vibration mechanical properties which are close to those of Sn-Bi-Ag solder and far more than those of the Sn-Bi eutectic solders. Two types of fracture occur. During the tension tests the fracture surface type of the Sn-30Bi-0.5Cu solder is a mixed fracture surface of plastic and brittle.
这主要是由于在钎料基体中原位形成的棒状或杆状IMC能有效地将脆性薄弱面钉扎和在β-Sn软相基体中形成钉轧强化，改善钎料的微观组织形态，从而提高钎焊强度和焊点的抗振动冲击可靠性，使其性能强于Sn-Bi共晶的性能而接近于Sn-Bi-Ag钎料的，Sn-30Bi-0.5Cu钎料在拉伸过程中断口存在韧性和脆性两种混合型断口。
The study shows that the self-compacting high performance concrete members have high denseness, fine appearance without honeycomb and scale, better crack resistance and ductility. The bend performance and shear performance of these members and massive beams are similar to those of vibro-cast concrete members.
研究表明，该方法成型的自密实高性能混凝土构件无蜂窝麻面、密实性好，具有更优越的抗裂性能和延性，构件和实梁的受弯、剪性能均与振捣成型的混凝土构件相近；试验还表明，振捣将导致自密实混凝土构件力学性能的劣化。
Fine ceramics (advanced ceramics, advanced technical ceramics) - determination of fracture toughness of monolithic ceramics at room temperature by the surface crack in flexure (scf) method
细陶瓷-单块陶瓷常温断裂韧度试验方法-弯曲表面龟裂法
The analysis on microstructure showed that the super fine structure appeared at crack arresting area, the mechanical properties were improved.
显微组织分析证明：止裂处出现了强韧性极高的超细化组织，改善了裂尖处的机械性能。
It is pointed out that mastic Ep ü re content, temperature and loading pressure are the main factors influencing permanent deformation of guss-asphalt; fine to coarse aggregate proportion influences its maximum bending strain and crack energy at low temperature.
结果表明：沥青玛蹄脂含量、试验温度与荷载压力是影响浇注式沥青混凝土永久变形能力的主要因素，而粗细集料的比例则影响混合料的低温极限弯曲应变与断裂应变能；
And there is no crack in coating and substrate when content of rare earth goes up to 3% wt. The homogeneous and fine microstructure in coating is obtained, and the microhardness in coating is lower than that with no rare earth.
当稀土含量为3%Wt时，涂层及基体无裂纹出现，且涂层组织细小、均匀.涂层显微硬度值较未加稀土时低。
The fine grains, crack deflexion and grain-bridging are main toughening mechanisms of silicon carbide ceramic.
细晶、裂纹偏转和晶粒桥联是碳化硅陶瓷的主要增韧机制。
Practices in production have shown that an addition of 0.1% to 0.45% V can fine crystal grain and decrease crystal boundary carburet and restrain occuring of secondary phase hence improvement of crack resistance of steel.
生产实践表明，马氏体不锈钢中加入0.1%～0.45%的钒后，可细化晶粒、减少晶界碳化物并抑制第二相组织生成，因此可提高钢的抗裂性。
But almost all the attention of the plastic shrinkage crack are focus on the medium and coarse sand concrete and the study of super fine one not found.
目前关于塑性收缩裂缝的研究几乎都集中在中粗砂混凝土，对于特细砂混凝土塑性收缩裂缝及其相关问题的研究几乎没有。
Fatigue crack growth rate with fine and coarse lamellar structure were characterized.
结果表明：β锻造获得了细片层组织结构，具有较低的疲劳裂纹扩展速率；
The short cracks deflect more severe in coarse grain structure than in fine grain one, result in roughness induced crack closure effect, therefore exhibit slow crack growth rate.
粗晶组织比细晶组织的裂纹偏折更大，粗糙度诱发闭合效应更强，因而裂纹扩展较幔。
AN APPROACH TO THE PHENOMENA OF DISCOLOURATION AND CRACK DURING BAKING FOR THE FINE GRAIN ARTICLES BY COLD MOULDING Discolouration of the deposits in production of brass plating
冷压细颗粒制品焙烧变色开裂刍议浅谈黄铜电镀生产中镀层变色问题
Welding technology of the fine, good crack resistance, can be multi-layer welding, and AC-DC dual-use.
焊接工艺性优良，抗裂性较好，可多层堆焊及交直流两用。