|
|
|
|
|
Hans Ulrik Riisgård
Sponges have always been filter feeders, in contrast to all the other filter-feeding invertebrate groups for which this feeding mode is a secondary adaptation. This study calls attention to this aspect, which explains why sponges are tolerant to hypoxia,...
ver más
|
|
|
|
|
|
|
|
|
|
|
Huinan Huang, Yan Zhang, Defu Wang, Zijiang Fu, Hui Tian, Junjuan Shang, Mahmoud Helal and Zhijun Lv
The hopper is an important piece of basic equipment used for storing and transporting materials in the agricultural, grain, chemical engineering, coal mine and pharmaceutical industries. The discharging performance of hoppers is mainly affected by materi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tatiana Dumitra Panaite, Gabriela Maria Cornescu, Nicoleta Corina Predescu, Ana Cismileanu, Raluca Paula Turcu, Mihaela Saracila and Cristina Soica
Protein is an essential nutrient for laying hens, playing a crucial role in egg production and supporting their overall health. An 8-week feeding trial was conducted on 120 Lohmann Brown laying hens (aged 38 weeks). The layers were assigned randomly to t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kai Qiu, Zhimin Chen, Aijuan Zheng, Wenhuan Chang, Huiyi Cai, Xin Zhang and Guohua Liu
This study aimed to disclose the effects of a new compound organic acidifier mixing with L-malic acid and L-lactic acid on broiler production. A total of 1000 1-day-old Arbor acres broiler chicks were randomly divided into two treatments of 10 replicates...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ce Zhang, Duanyang Geng, Haigang Xu, Xinao Li, Jiarui Ming, Duanxin Li and Qihuan Wang
The air distribution and speed uniformity of the cleaning fan in the cleaning room have a great influence on the working quality of the cleaning system of the harvester. In view of the problem of uneven air distribution in the cleaning room caused by imp...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tingli Wang, Jian Huang, Hongyuan Fu, Ke Yu and Shan Yao
The quality of high-pressure die casting (HPDC) is largely determined by the process parameters. The objective is to study the influence of process parameters on melt filling and feeding capacity. The research is carried out by means of numerical simulat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Aldo Manzuetti,Washington Jones,Martín Ubilla,Daniel Perea
Pág. 445 - 462
Felidae entered South America from North America during the Ensenadan Stage/Age (Early to Middle Pleistocene). For Uruguay their fossil record is scarce but informative, although mostly correspond to large felids (Smilodon, Panthera onca). In this work d...
ver más
|
|
|
|
|
|
|
|
|
|
|
Diego Borme, Sara Legovini, Alessandra de Olazabal and Valentina Tirelli
Food availability is thought to exert a bottom-up control on the population dynamics of small pelagic fish; therefore, studies on trophic ecology are essential to improve their management. Sardina pilchardus is one of the most important commercial specie...
ver más
|
|
|
|
|
|
|
|
|
|
|
Prabhat Khanal, Rajan Dhakal, Tanka Khanal, Deepak Pandey, Naba Raj Devkota and Mette Olaf Nielsen
In many developing countries, the livestock sector plays a vital role in the national economy, providing a source of food, income, and employment. With changes in demographical, socio-economic, and environmental status, the livestock sector in the develo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Amit Kumar Sharma, Pradeepta Kumar Sahoo, Mainak Mukherjee and Alok Patel
Biodiesel is an emerging alternative fuel that is generally made from edible and non-edible oilseed crops. Jatropha curcus has a high potential for producing biodiesel, which yields 25?35% oil along with 75?65% solid byproduct, generally called a de-oile...
ver más
|
|
|
|
|
|