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重量效应
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     ‘DaVinci Effect’ in the Electronics Industry
     “达芬奇”效应
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     Josephson's Effect
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     The Weight of Happiness
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     (4)the brain weight.
     (4 )脑重量
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  effect of gravity
Effect of Gravity on the Shape of Colonies with a Hydrophobic Surface Layer
      
The falling of a thin viscous fluid layer (film) along a vertical plane under the effect of gravity is accompanied by wave motions in which capillary forces play an essential part.
      
The Stability of a Condensate Film Moving under the Effect of Gravity and Turbulent Flow of Vapor
      
The linear stability of a condensate film moving along a vertical isothermal plate under the effect of gravity and turbulent vapor flow is investigated.
      
For a square channel, the maximum of intensity is observed for nonzero angle between the longitudinal axis and the direction of the effect of gravity; in the case of a "submerged" channel, this maximum is observed for zero angle.
      
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Dry seeds of three rice varieties were treated with 2.0mM SA. A series of traits was observed during culture and regenerated plant R1 and R2 periods. The initial results showed that: (1)SA had increased the callus induction frequency,regenerated plant frequency and callus daily rresh weight; (2) SA had lowered the height of regenerated plants of R1 and R2; (3) The fertility change of W6184s and W6154s in R2 had different relationship with temperature between control and treatment,and the fertile-change-date...

Dry seeds of three rice varieties were treated with 2.0mM SA. A series of traits was observed during culture and regenerated plant R1 and R2 periods. The initial results showed that: (1)SA had increased the callus induction frequency,regenerated plant frequency and callus daily rresh weight; (2) SA had lowered the height of regenerated plants of R1 and R2; (3) The fertility change of W6184s and W6154s in R2 had different relationship with temperature between control and treatment,and the fertile-change-date of treatment was much earlier than that of control; (4) Some excellent plant lines which were of value in rice breeding and researching had been selected.

选用水稻广亲和系CA529、光敏不育系W6154s和W6184s三份材料,用2.0mM的NaN_3对其成熟种子进行诱变处理,观察了种胚离体培养及其再生植株R1、R2代性状。结果表明:NaN_3处理具有提高出愈率、出苗率及愈伤组织日增重量的效应;每毫克愈伤组织的日增量与出苗率呈一定的正相关;NaN_3对再生植株R1、R2代的株高有矮化效应;在CA529中获得3个株叶型优良、抗倒伏早衰的变异株系;在W6184s和W6154s的处理和培养对照(CK2)中获得3个育性表现优于亲本的株系。表明诱变与组培相结合的技术对作物改良是有效的。

 
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