Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Maojian WEI"'
Publikováno v:
Engenharia Agrícola, Vol 42, Iss 6 (2022)
ABSTRACT In high speed seeding operation, the random collisions of seeds in the seed delivery tube seriously affect the seeding accuracy. In order to improve seeding uniformity and stability in high speed operation, the seed delivery device with a ro
Externí odkaz:
https://doaj.org/article/6d4d1fbb7a5049eb85208dd2183661ea
Publikováno v:
INMATEH Agricultural Engineering. :155-165
In order to reduce the problems of high grain breakage rate and uncleaned material rate in the threshing and separating device of longitudinal axial flow corn, a threshing device of "front flexible nail tooth + rear pressure spring elastic short grai
Publikováno v:
INMATEH Agricultural Engineering. :47-56
During silage harvesting, silage corn stalk is compressed by a feeding device and fed into the shearing device to be sheared into qualified segments to make silage fermentation easier. To optimize the working quality of the existing silage harvester
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 40, Iss 3, Pp 291-296 (2013)
以甘氨酸(Gly)与碳酸亚铁为原料合成了阴离子干扰少、纯度较高的甘氨酸亚铁螯合物.以反应体系的pH值为5.5~6.0、抗氧化剂用量为甘氨酸质量的10%、配位比(Gly/Fe)为2:1、反应温度为80 ℃的优化
Externí odkaz:
https://doaj.org/article/49bdb1a685a74c09bcbe68baf93a6ad2
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 38, Iss 5, Pp 536-540 (2011)
用正交试验设计法研究了复合酶酶解法提取褐藻糖胶,使用sevage法脱蛋白,经DEAE-Sepharose FF离子交换层析后得到2个组分F1和F2,并分析了2个褐藻糖胶组分的结构,探讨了褐藻糖胶的抗氧化活
Externí odkaz:
https://doaj.org/article/b1ece089dbe74498bb13ca743165bb34
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 37, Iss 6, Pp 661-664 (2010)
设计的生物质与聚合物共裂解工艺,共裂解产物中C3-C4烃成分占气态烃类的大部分,为可燃气的开发提供理论基础.从生物质与聚合物共裂解产物中气态烃类的分布可见:生物质与聚合物常压共
Externí odkaz:
https://doaj.org/article/933533f5a3a94901b0343e5e4803075d
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 35, Iss 4, Pp 442-447 (2008)
简化了甘氨酸锌螯合物的合成,以甘氨酸和碱式碳酸锌为原料,按摩尔比为2 : 1的比例在水相中合成,90~95 ℃间反应6 h,得到了产率为94.6%的水合甘氨酸锌螯合物.产品经纯化处理后用元素分
Externí odkaz:
https://doaj.org/article/1f98d4eddb7746e5879d21ede0fdaac3
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 31, Iss 1, Pp 62-65 (2004)
建立了用薄层层析和薄层扫描法对N-乙酰-L-半胱氨酸合成进行流程诊断的方法.采用硅胶G板,以正丁醇-醋酸-水(4.5∶1.5∶1)为展开剂,单波长直线扫描,扫描波长λ=700 nm.对合成反应的初始阶段、反
Externí odkaz:
https://doaj.org/article/03fc201a11914948a0ba120f2648795a
Autor:
Meizhou Chen1 chenfeng2830@163.com, Guangfei Xu2 gfxu@sdut.edu.cn, Maojian Wei1 wmjsyjs2020@163.com, Xiaowei Li2 921878985@qq.com, Yuanzhen Wei3 549460141@qq.com, Peisong Diao1 dps2003@163.com, Peide Cui1 1220830601@qq.com, Shaomin Teng4 415237290@qq.com
Publikováno v:
International Journal of Agricultural & Biological Engineering. May2023, Vol. 16 Issue 3, p64-77. 14p.