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Also, we discuss possible connections to the positive and cluster geometry of G/B+ × G/B-, which would generalize results of Fomin and Zelevinsky on double Bruhat cells and Marsh and Rietsch on double Schubert cells.
      
These new synthesized compounds evaluated for their antibacterial activities against Gram-positive and Gram-negative bacteria using the tube dilution method.
      
The finding of antibacterial activity study showed that the sulfamide derivative 5 was the best compound of the series, exhibiting antibacterial activity against both Gram-positive and Gram-negative bacteria.
      
Oscillation of forced neutral differential equations with positive and negative coefficients
      
In this paper the forced neutral differential equation with positive and negative coefficients is considered, where f ε L1(t0, ∞) ∩ C ([t0, ∞),R), P,Q,R ε C ([t0, ∞), R+) and r,τ,σ∈(0, ∞).
      
Existence of positive solutions for neutral difference equations with positive and negative coefficients
      
In this paper the sufficient conditions for the existence of positive solutions of the neutral difference equations with positive and negative coefficients are established.
      
Global attractivity of neutral difference equations with positive and negative coefficients
      
Stability of perturbed neutral differential equations with positive and negative coefficients
      
In this paper the perturbed neutral differential equation with positive and negative coefficients is considered.
      
Positive and negative flows in the hierarchy are derived simultaneously.
      
Consumption of Triazine Herbicide Atrazine by Laccase-positive and Laccase-negative Strains of Soil Fungus Mycelia sterilia INBI
      
This technique resulted in isolation of laccase-positive and laccase-negative clones.
      
A model of machine learning from positive and negative examples (JSM-learning) is described in terms of Formal Concept Analysis (FCA).
      
"Positive" and "negative" customers make up simplest flows.
      
Mechanisms of release of secreted polypeptides into the medium differ in Gram-positive and Gram-negative bacteria due to different structure of their cell envelope.
      
The electrolyte contains positive and negative ions and is assumed to be strong.
      
The form of the oscillations and the initial orbit are chosen so that the transverse component of the force of the light pressure acting upon the satellite be positive and the semimajor axis of the orbit would continuously increase.
      
Equations in finite form are obtained for the forces and moments for a rectangular wing of infinite span, and also for triangular wings with positive and negative sweep, for the case when the gust intensity varies linearly.
      
Expressions are obtained for the positive and negative ion flows to a particle in a weakly ionized gas.
      
 

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