水銀變形 的英文怎麼說
中文拼音 [shuǐyínbiànxíng]
水銀變形
英文
mr mercury-
Studies on spermatogenesis and oogenesis in palaemon modestus jiang ye - qin ( chemistry department, huzhou teachers coliege, huzhou 313000 ) palaemon modestus belongs to genus palaemon, family palaemonidae, caridea, natantia, decapoda, class crustacean. lt is a kind of freshwater prawn across china and especially abounds in the taihu lake which is regarded as one of the " three delicacies " of the taiha lake. as for the researches on palaemon modestus, v / e can only refer to spermatogenesis of freshwater shrimp exopalaemon modestus ^ ruang hai - xia et al, 2001 ), studies on reproductive biology of exopalaemon modestus l. the structure and development of the male reproductive system ( huang hai - xia et al, 1999 ) and studies on freshwater prawn in the taihu lake ( yan sheng - liang, 1999 ). on the bases of their researches and with the help of tem, i have made further researches on sperm ultrastructure, spermatogenesis, oogenesis and mature oocyte ultrastructure in palaemon modestus
秀麗白蝦palaemonmodestus屬甲殼綱crustacea十足目decapoda游泳亞目natantia真蝦部caridae長臂蝦科palaemonidae長臂蝦屬palaemon ，是我國南北均產的淡水蝦，其中太湖產量尤其大，與太湖銀魚、鱭魚並稱「太湖三寶」 。有關秀麗白蝦的研究僅見秀麗白蝦雄性生殖系統的研究（黃海霞等， 1999 ） 、秀麗白蝦精子發生的研究（黃海霞等， 2001 ） 。本人在前人工作的基礎上，利用透射電鏡技術（ tem ）進一步研究了秀麗白蝦精子的形態、結構及精子的發生過程，同時還研究了秀麗白蝦卵的發育過程，從卵原細胞到卵黃發生前的卵母細胞、卵黃發生的卵母細胞及成熟卵細胞，各期卵細胞的形態結構特點及各部分結構的變化情況。The results indicate : the rural households " agri - productive investment behavior are generally affected by such factors : the rural households " basic family status, the rural households " owning resource, market terms, the different geographical environment and the external economy environment if other factors remain unchangeable, the rural households would increased their agri - productive investment scale in the next year by such terms : the rural households " family size get bigger, the rural households improve the educational level, the rural households decrease the opportunity in working in the second or the third field, the family agricultural opening revenue got increased last year, the rural households " productive capital assets got increased last year
假定其他因素不變：農戶家庭規模越大，勞動力文化水平越高，農戶非農業就業機會減少，農戶上一年農業家庭經營收入提高，以及農戶上一年生產性固定資產增加，都會使農戶在下一年增加農業生產性投資；同時由於農戶處于不同的地理環境、位置，也對農戶進行農業生產性投資產生影響。同時本文對北京市政府制定相關農業政策提出以下建議參考： 1 、進一步穩固農戶投資主體地位，同時，積極引導財政支農資金、銀行貸款等其他投資形式向農業轉移，形成資金互補機制。
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