Results 91 to 100 of about 2,834 (212)
BIẾN ĐỘNG MẬT ĐỘ VI KHUẨN HỮU ÍCH TRONG AO NUÔI TÔM SÚ (PENAEUS MONODON) THÂM CANH
Tạp chí Khoa học Đại học Cần Thơ, 2010 Tổng vi khuẩn, Vibrio và một số nhóm vi khuẩn hữu ích đã được xác định trong ao nuôi tôm thâm canh tại tỉnh Sóc Trăng. Phương pháp thu mẫu được áp dụng theo (Huy 2003 và Chinabut et al., 2003).
Phạm Thị Tuyết Ngân +1 more
doaj
, 2022 Probiotics are feed additives (supplements) that contain nonpathogenic microorganisms that involve actively in the digestive system to increase productivity and health of the livestock.
Nurkholis, M +2 more
core
Fortifikasi probiotik dalam pakan untuk meningkatkan pertumbuhan ikan gurami (Osphronemus gouramy)
Acta Aquatica, 2018 Abstrak Ikan gurami (Osphronemus gouramy) merupakan komoditas ikan air tawar yang bernilai ekonomis penting tetapi mempunyai kendala dalam budidaya, salahsatunya pertumbuhannya lambat.
Riri Ezraneti +2 more
doaj +1 more source
Action spectrum of Nitrobacter agilis
, 1968 The physiological literature on Nitrobacter is reviewed and a list of the unsolved problems presented. Modifications to the action spectrum apparatus built by Brooks (1967) are described.
Hill, Joan Emily
core
, 1998 Five strains of lithotrophic, nitrite-oxidizing bacteria (AN1-AN5) were isolated from sediments of three soda lakes (Kunkur Steppe, Siberia; Crater Lake and Lake Nakuru, Kenya) and from a soda soil (Kunkur Steppe, Siberia) after enrichment at pH 10 with ...
Sorokin, D. +4 more
core +1 more source
SẢN XUẤT THỬ NGHIỆM CHẾ PHẨM MEN VI SINH VÀ CHẾ PHẨM XỬ LÝ MÔI TRƯỜNG CHO SINH VẬT THỦY SINH
Tạp chí Khoa học Đại học Đà Lạt, 2012 Chế phẩm men tiêu hóa elacmen gồm 4 chủng vi sinh vật L. acidophillus, L. sporogenes, B. subtilis, S.cerevisiae trong 1 sản phẩm và chế phẩm xử lý môi trường biozeo gồm 5 chủng vi sinh vật Nitrobacter sp, Nitrosomonas sp, B.megaterium, B.licheniformis, B.
Hoàng Việt Hậu +2 more
doaj +1 more source
, 2006 The complete norX/nxrX sequence of five Nitrobacter strains was determined showing that the norAXB/nxrAXB gene cluster is present in all hitherto described Nitrobacter species.
Vanparys, B. +3 more
core +1 more source
Produk pertanian merupakan sumber pokok utama untuk memenuhi kebutuhan pangan masyarakat Indonesia yang berasal dari kegiatan budidaya. Kegiatan budidaya mengalami permasalahan yaitu adanya alih fungsi lahan pertanian menjadi tempat industri.
Candra Setiawati, Tri +1 more
core +1 more source
Frontiers in Microbiology, 2018 Typically, nitrification is a two-stage microbial process and is key in wastewater treatment and nutrient recovery from waste streams. Changes in salinity represent a major stress factor that can trigger response mechanisms, impacting the activity and ...
Chiara Ilgrande +6 more
doaj +1 more source
Time response of Nitrobacter to toxicity
Environment International, 1984 Abstract Nitrobacter toxicity experiments were conducted by using a mixed culture obtained from biomass on rotary biological contactors. The culture was treated with inorganic and organic toxicants, and the toxic effect was expressed in nitrite consumption. Contact time was found to be an important factor in toxic effect.
openaire +1 more source