Results 31 to 40 of about 1,027,239 (222)

pH como factor de crecimiento en plantas

open access: yesRevista de Iniciación Científica, 2018
El estudio realizado tuvo como principal objetivo medir el pH de cuatro muestras de suelo, tomadas de diferentes lugares, con el fin de determinar cuál de estas poseía las condiciones más óptimas para el crecimiento de una planta y así conocer con claridad cómo se ve afectado el crecimiento de las plantas según el nivel de acidez que presente el suelo ...
Rivera, Evelin   +2 more
openaire   +4 more sources

Unpacking Welfare Deservingness Theory: Evidence From the Perceived Deservingness of Gig Workers

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT The theory of welfare deservingness provides valuable insights into the social legitimacy of welfare programs and the principles underlying policy design. In examining the question of who deserves what and why, established deservingness criteria emphasize that individuals demonstrating motivation to work (“reciprocity”) are typically perceived
Juhyun Bae
wiley   +1 more source

Crecimiento en peces teleósteos [PDF]

open access: yes, 2015
El crecimiento en los peces teleósteos, al igual que ocurre en otros grupos de animales, es el resultado de un complejo proceso en el que se ven implicados diversos factores (ambientales, endocrinos, nutricionales y genéticos).
Mancera Romero, Juan Miguel
core  

Political Cycles, Electricity Policy, and Mexico's Economy

open access: yesLatin American Policy, Volume 17, Issue 2, June 2026.
ABSTRACT Electricity reform in Mexico should stimulate economic growth, improve energy efficiency, and reduce greenhouse gas emissions. This article evaluates the successes and failures of reform and draws lessons across political cycles by analyzing changes in political dynamics—often tied to policy reversals—and the legal framework during the pro ...
David Bonilla
wiley   +1 more source

Productivity and saving channels of economic growth as latent variables: An application of confirmatory factor analysis.

open access: yesEstudios de Economía, 2000
En el intento de medir las fuentes del crecimiento económico y diseñar conclusiones de política económica, los economistas confían en la contabilidad del crecimiento.
Ricardo N. Bebczuk
doaj  

Estudio inmunocitoquímico y molecular de cultivo primario de tejido molar

open access: yesBiomédica: revista del Instituto Nacional de Salud, 2006
Introducción. La enfermedad trofoblástica gestacional comprende un conjunto de patologías caracterizadas por crecimiento e invasión anómalos del trofoblasto.
Yinth Andrea Bernal   +6 more
doaj   +1 more source

Shaping future forests: how can ecophysiology support climate‐smart forest management?

open access: yesNew Phytologist, Volume 250, Issue 5, Page 2778-2813, June 2026.
Summary Climate change, particularly the associated increase in extreme events and disturbances, threatens the numerous environmental, social, and economic benefits that forests provide, both locally and globally. Heat and drought pose significant risks to forest ecosystems; the anticipated future climate is expected to exacerbate this trend ...
Arthur Gessler   +18 more
wiley   +1 more source

Beyond Preeclampsia: Focal and Segmental Glomerulosclerosis Presenting as Nephrotic‐Range Proteinuria During Pregnancy, A Clinical Case Report

open access: yesClinical Case Reports, Volume 14, Issue 5, May 2026.
Nephrotic‐range proteinuria during pregnancy is not always preeclampsia. This case illustrates a steroid‐responsive tip‐variant podocytopathy with normal angiogenic biomarkers (sFlt‐1/PlGF), supporting a non‐placental origin. Renal biopsy confirmed the diagnosis, while concurrent CMV infection may have acted as a potential immunologic trigger ...
Sierra Acuña Ximena Rosario   +1 more
wiley   +1 more source

Factores de crecimiento insulino símiles: estructura, bioactividad y métodos de ensayo [PDF]

open access: yes, 1998
El sistema de los factores de crecimiento insulino-símiles (IGF) se halla involucrado en diferentes aspectos de la regulación celular y tisular, como así también en el desarrollo y el crecimiento corporal.
Cortizo, Ana María, Mccarthy, Antonio
core   +1 more source

Hurdles to overcome to achieve biostimulant‐driven, low chemical input crop production

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 3, Page 783-791, May 2026.
Crop production requires considerable chemical inputs that result in significant greenhouse gas emissions and other environmental costs. Biostimulants are natural agents, such as microorganisms or seaweed, applied to plants and soil to stimulate plant growth and reduce chemical inputs. Biostimulant use is rapidly increasing globally, but hurdles remain,
Wolfram Buss   +6 more
wiley   +1 more source

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