Results 31 to 40 of about 967,429 (300)

Conservation tillage and sprinkler irrigation for sustainable water management and enhanced crop yields in maize and field pea cropping system

open access: yesScientific Reports
The conservation agriculture (CA)-based approaches, including zero tillage (ZT)/reduced tillage (RT) with pulse-based cropping systems, support climate resilience in the long-run.
Raghavendra Singh   +14 more
doaj   +1 more source

Miniature multichannel biotelemeter system [PDF]

open access: yes, 1974
A miniature multichannel biotelemeter system is described. The system includes a transmitter where signals from different sources are sampled to produce a wavetrain of pulses. The transmitter also separates signals by sync pulses.
Carraway, J. B., Sumida, J. T.
core   +1 more source

Chirped optical X-shaped pulses in material media

open access: yes, 2004
In this paper we analyze the properties of chirped optical X-shaped pulses propagating in material media without boundaries. We show that such ("superluminal") pulses may recover their transverse and longitudinal shape after some propagation distance ...
Besieris   +17 more
core   +2 more sources

Stable operation of a synchronously pumped colliding-pulse mode-locked ring dye laser [PDF]

open access: yes, 1984
Pulses of 100-fsec duration are obtained by synchronous pumping of a colliding-pulse ring dye laser with a mode-locked Ar+-ion laser. Stable operation of the synchronously pumped colliding-pulse mode-locked laser over hours was obtained by a suitable ...
Leonhardt, R.   +2 more
core   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

Identification of best housekeeping gene for normalization in qRT-PCR data under different development stages and stress conditions in Vigna mungo

open access: yesScientific Reports
The qRT-PCR has emerged as the most sought-after local gene expression profiling technique. The absolute quantification of the mRNA is highly affected by the handling artifacts.
Sudhir Kumar Jha   +10 more
doaj   +1 more source

Biological characterization and variability of the nucleocapsid protein gene of Groundnut bud necrosis virus isolates infecting pea from India

open access: yesPhytopathologia Mediterranea, 2012
A disease of pea characterized by browning in veins, leaves and stems, mostly in growing tips, and brown circular spots on pods, was recorded in four districts of Uttar Pradesh, India.
Mohammad AKRAM, NAIMUDDIN
doaj   +1 more source

Echo tracker/range finder for radars and sonars [PDF]

open access: yes, 1982
An echo tracker/range finder or altimeter is described. The pulse repetition frequency (PFR) of a predetermined plurality of transmitted pulses is adjusted so that echo pulses received from a reflecting object are positioned between transmitted pulses ...
Constantinides, N. J.
core   +1 more source

Frequency modulated pulses for quantum bits coupled to time-dependent baths [PDF]

open access: yes, 2012
We consider the coherent control of a quantum bit by the use of short pulses with finite duration \tau_p. By shaping the pulse, we perturbatively decouple the dynamics of the bath from the dynamics of the quantum bit during the pulse.
Fauseweh, Benedikt   +2 more
core   +2 more sources

Cell wall target fragment discovery using a low‐cost, minimal fragment library

open access: yesFEBS Letters, EarlyView.
LoCoFrag100 is a fragment library made up of 100 different compounds. Similarity between the fragments is minimized and 10 different fragments are mixed into a single cocktail, which is soaked to protein crystals. These crystals are analysed by X‐ray crystallography, revealing the binding modes of the bound fragment ligands.
Kaizhou Yan   +5 more
wiley   +1 more source

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