bian wei yuan zhu zuo (332 résultats)

paperback. Etat : New. Language:Chinese.Paperback.Pub Date:2022-04-01 Publisher:China Construction Industry Press Attached lifting scaffolding scaffolding is an important special type of work. which is a sub-item project with high risk. and its safety production management has always been highly regarded by the government Attention. in order to strengthen the management of such operators. prevent and reduce the occurrence of production safety accidents. and promote the construction of vocational skills training. th.

paperback. Etat : Good. Language:Chinese.Taipu Si the leftist - Gongbaolage 1675-2002 [Mongolian].

Soft cover. Etat : New. Language:Chinese.Author:ZHONG GUO WAN BAO GONG ZUO ZHE XIE HUI XUE SHU WEI YUAN HUI ZHU BIAN.Binding:.Publisher:Shanghai Dictionary Publishing House.

paperback. Etat : New. Paperback. Language: Chinese Publisher: Economic Science Press.

Soft cover. Etat : New. Language:Chinese.Author:LI SHI QING DAO QING NIAN YUN DONG SHI GONG ZUO WEI YUAN HUI / BIAN CI ZHI HUI / ZHU BIAN.Binding:.Publisher:Qingdao Marine University Press.

paperback. Etat : Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pub Date: 1998 Publisher: China Agriculture Press Publication Date: May 1998 2nd Edition Publisher: China Agriculture Press Folio: 32 Pages: 214 Weight: 155 grams ISBN: 7109052133S.3303Four Satisfaction guaranteed,or money back.

Soft cover. Etat : New. Language:Chinese.Author:GUO MO RUO ZHU ZUO BIAN JI CHU BAN WEI YUAN HUI BIAN.Binding:SoftCover.Publisher:People's Press.

Soft cover. Etat : New. Language:Chinese.Author:GUO MO RUO ZHU ZUO BIAN JI CHU BAN WEI YUAN HUI BIAN.Binding:.Publisher:People's Literature Publishing House.

paperback. Etat : New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pub Date :1998-07-01 Pages: 1998 Publisher: China Agriculture Press title: Scientific hatched chickens and brood Original Price: $ 7: Agriculture and Forestry Committee chief editor of Popular Science Writers' Association. Pan Yuhua. Shiu-Feng Huang ed Publisher: China of Agriculture Press Publication Date: 1998-7-1ISBN: 9787109052109 words: Page :1998 -01-01 Edition: Binding: Folio: Product ID: Garden Wing: 430.103 China Agriculture Press Editor's Choice No Summary scientific hatch Chicken and brooding. is to ensure that the survival rate of the chicken. and improve key aspects of the chicken's egg production rate and the rate of production of meat. Book from the scientific hatching chickens and chicks nurture detailed description of two aspects the artificial hatching chickens brood (grower) stage of technical experience. also collected at home and abroad in recent years. some of the hatch and brood of new technologies and new information . The book is easy to understand. illustrations. practicality and operability suitable for chicken specialized households read while available in. small farms rearing reference to. Directory chicken hatching eggs is formed? 2 eggs constructed? 3 eggshell formation and its role is it? 4 eggshell color several? 5 protein is formed? 6 egg yolks is formed? 7 ovules and blastoderm What is the difference? What is the role of the 8 shell membrane and the gas chamber? 9 What are the characteristics of poultry breeding? 10 egg formation process embryos begin to develop it? 11 What is the yolk sac? In the incubation period of embryonic development. what role? The 12 pulp amniotic formed? In the incubation period of embryonic development what role? 13 chorioallantoic membrane is formed? In the incubation period of embryonic development. what role? What are the characteristics of 14 embryos at different developmental stages metabolism? 15 Why engage in artificial incubation? The artificial incubation main factors - temperature how to master? 16 What is the see tires Schwinn? See tire Schwinn artificial incubation in how to master? Humidity 17 artificial incubation and embryonic development. what is the relationship? 18 artificial incubation humidity should be how to master? 19 how to deal with the relationship between the temperature and humidity in the incubator? The 20 artificial incubation ventilation should how to master? The 21 artificial incubation Why turn the eggs? How to master? The 22 artificial incubation Why cool the eggs? How to master? What is 23 throughout the incubation period distribution of embryonic death. and the cause of death? 24 genetic factors on hatchability? 25 hen age and egg production on hatchability? The 26 breeder health and feed on hatchability what? 27 climate and altitude on hatchability? 28 egg quality hatching eggs of the position and the position of the embryo in the egg hatchability have any effect? What are the 29 factors that affect the incubation period? 30 eggs in artificial incubation process why according to the egg? The appropriate Eggtester of what time? 31 developed normally live Peidan with the various anomalies Peidan how to identify? 32 in the process of hatching how to apply the the egg weight changes to check and analyze the effects of hatching? 33 how to check the hatching effect based on the observation of the hatching situation? 34 died young and the stillbirth eggs (hairy egg) with observation and necropsy residual checks hatching? 35 Why rigorous selection of eggs? The 36 malformations egg is produced? 37 of eggs to choose? 38 What is the the physiological critical temperature? 39 eggs under what environmental conditions should be saved? 40 eggs save time and placement should be how to master? 41 Why egg disinfection? 42 eggs which are several ways disinfection? 43 of eggs to be packed and transported? 44 incubators which several types? 45 elec.

Soft cover. Etat : New. Language:Chinese.Author:QUAN GUO REN DA CHANG WEI HUI FA ZHI GONG ZUO WEI YUAN HUI JING JI FA SHI BIAN ZHU.Binding:.Publisher:China Yanshi Press.

paperback. Etat : Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.The hero Junior Reining 47Four Satisfaction guaranteed,or money back.

Soft cover. Etat : New. Language:Chinese.Author:SHI NAN CHANG ZHU BIAN ZHONG GONG SHANG HAI SHI SHE HUI GONG ZUO WEI YUAN HUI ZU BIAN.Binding:Soft cover.Publisher:Shanghai Joint Publishing.

paperback. Etat : Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Young heroes Trainin 32 open Paperback Illustrated 1990 version 6 India]Four Satisfaction guaranteed,or money back.

paperback. Etat : Good. Pub Date :1992-07 Publisher: China Radio and Television Press 21.

paperback. Etat : Good. Drawing the Protection of Minors Act.

paperback. Etat : Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pub Date :1954-01 Publisher: People's Literature Publishing House asked [January 1954] asked the Editorial Board of the Chinese Writers Association. Mao Dun 7 products 6000 Author: Publisher: Category: Old journal publishing: product phase: 7 finished now selling the Price: RMBFour Satisfaction guaranteed,or money back.

paperback. Etat : New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pub Date :1996-01 Publisher: Beijing Children's Publishing House 14Four Satisfaction guaranteed,or money back.

paperback. Etat : Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :1964-06-01 Pages: 252 Publisher: China Youth Press store at: the middle of the house No. 3 shelves gridFour Satisfaction guaranteed,or money back.

paperback. Etat : Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :1992-07-01 Pages: 125 Publisher: People's Posts and Telecommunications Press Binding: Paperback store at: the middle the house A bookshelves B surface grid 2Four Satisfaction guaranteed,or money back.

paperback. Etat : New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :1997-01 Pages: 499 Publisher: Fujian People's Publishing House sheet: 16.125Four Satisfaction guaranteed,or money back.

paperback. Etat : Good. The Mao Zedong Readings [A species of this].

paperback. Etat : Good. Readings of Mao Zedong. the next volume.

paperback. Etat : Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Mao Zedong Readings (B).Four Satisfaction guaranteed,or money back.

Hardcover. Etat : Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Guo Collection (compilation of literature. Volume II) hardcover. no dust jacket [natural old]Four Satisfaction guaranteed,or money back.

paperback. Etat : Good. 1964 India [Mao Zedong Readings (this B).

paperback. Etat : Good. Jilin NLD Brief History 1951 --- 1989.

paperback. Etat : Good. The Mao Zedong Readings A species of this.

Soft cover. Etat : New. Language:Chinese.Author:ZHONG GUO BA SHI NIAN DAI JIAN ZHU YI SHU YOU XIU ZUO PIN PING XUAN ZU ZHI WEI YUAN HUI BIAN.Binding:.Publisher:Economic Management Press.

paperback. Etat : Good. Changting People's Revolutionary History (32 to open of 264 Wang Qisen signature this).

paperback. Etat : Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.[Biography] young heroes TraininFour Satisfaction guaranteed,or money back.