Results 111 to 120 of about 10,504 (258)

Construction and Software Design for a Microcomputer Controlled pH/Ion Titrator [PDF]

open access: yes, 1984
The construction of an automated titration device is described. The major components include an Apple II+ Microcomputer and 8-bit parallel interface.
Mackey, James E.   +2 more
core   +2 more sources

Sintesa Precipitated Calcium Carbonate (PCC) dari Cangkang Kerang Darah ( Anadara Granosa) dengan Variasi Suhu Kalsinasi dan Variasi Rasio CaO/HNO3 [PDF]

open access: yes, 2015
Precipitated Calcium Carbonate (PCC) is a calcium based chemical product that recently has widely utilized in application. The purpose of this research is to obtain PCC at once as the waste problem solver.
', Y. (Yelmida)   +3 more
core  

Role of a cyanobacterial cover on structural stability of sandy soils in the Sahelian part of western Niger

open access: yes, 2001
Microbiotic soil crusts, mostly formed by cyanobacteria, are widespread on the surface of fallow land in western Niger. They lie adjacent to completely bare soils.
Défarge, Christian   +3 more
core   +3 more sources

Aggregate stability in soils cultivated with eucalyptus. [PDF]

open access: yes, 2019
The objective of this work was to evaluate the aggregate stability of tropical soils under eucalyptus plantation and native vegetation, and assess the relationships between aggregate stability and some soil chemical and physical properties.
AVANZI, J. C.   +5 more
core  

Assessing soil aggregate stability by measuring light transmission decrease during aggregate disintegration

open access: yesSoil and Water Research
Advancements in technology have recently enabled to assess soil aggregate stability (SAS) using digital devices. To address the need for a faster and more efficient method of measuring SAS, we have developed a simple yet effective approach using a ...
Mikuláš Madaras   +2 more
doaj   +1 more source

Biotic and abiotic binding and bonding mechanisms in soils with long-term differences in management [PDF]

open access: yes, 2000
During the last decades Denmark has experienced a growing interest in low-input farming systems like organic farming. These systems rely on a high soil fertility to maintain nutrient availability and plant health.
Debosz, Kasia   +3 more
core  

Microplastic surface retention and mobility on hiking trails. [PDF]

open access: yesEnviron Sci Pollut Res Int, 2023
Forster NA, Wilson SC, Tighe MK.
europepmc   +1 more source

The economic sustainability of second crops implementation in organic maize production [PDF]

open access: yes, 2008
Although organic crop production has numerous advantages, concerns about economic sustainability, both environmental and financial, make farmers reluctant to convert their conventional production into the organic production. Certain agricultural methods,
Birkás, Márta   +6 more
core  

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