Results 21 to 30 of about 38,740 (215)

The growth of ‘botos feeding tourism’, a new tourism industry based on the boto (Amazon river dolphin) Inia geoffrensis in the Amazonas State, Brazil [PDF]

open access: yesSITIENTIBUS série Ciências Biológicas, 2011
The Amazon’s reputation and ability to draw tourists is strongly associated with the natural environment and with tourist’s ability to sight and interact with iconic animals. In Brazil, four cases of aggregations of wild boto (Amazon River dolphin; Inia geoffrensis), becoming conditioned to human contact through food provisioning are occurring in ...
de Sá Alves, LCP   +3 more
openaire   +1 more source

Las ‘creaciones expresivas’ del "Diccionario crítico etimológico castellano e hispánico" en contexto románico e indoeuropeo. Un nuevo (y a la vez antiguo) enfoque

open access: yesRevista de Filología Románica, 2018
La similitud fonética y semántica entre un gran número de palabras de varios idiomas que sin embargo no se pueden reducir al mismo étimo le sugiere a Corominas (en el DCECH) un origen espontáneo en cada lengua, como resultado de la intención de ...
Simona Georgescu
doaj   +1 more source

Sub-wavelength lithography over extended areas [PDF]

open access: yes, 2001
We demonstrate a systematic approach to sub-wavelength resolution lithographic image formation on films covering areas larger than a wavelength squared. For example, it is possible to make a lithographic pattern with a feature size resolution of $\lambda/
A. Flock   +33 more
core   +2 more sources

A visão dos pescadores sobre a importância da participação dos Botos na pesca artesanal de tarrafa em dois estuários do sul do Brasil

open access: yesBiodiversidade Brasileira, 2022
As populações costeiras do boto, Tursiops truncatus, apresentam uma relação única com pescadores artesanais de tarrafa em alguns estuários do sul do Brasil, denominada pesca cooperativa.
Yasmin Camargo Gonçalves   +1 more
doaj   +1 more source

Two-photon imaging and quantum holography [PDF]

open access: yes, 2002
It has been claimed that ``the use of entangled photons in an imaging system can exhibit effects that cannot be mimicked by any other two-photon source, whatever strength of the correlations between the two photons'' [A. F. Abouraddy, B. E. A.
Abouraddy A F   +14 more
core   +2 more sources

Entre o fantástico e o real maravilhoso

open access: yes2i Revista de Estudos de Identidade e Intermedialidade
O trabalho objetiva discutir a relação discursiva e estética estabelecida entre o fantástico e o humor, tomando como corpus uma narrativa oral sobre o boto, recolhida no Vale do Guaporé, em Rondônia, na Amazônia. A narrativa, que se alinha à vertente do
Marisa Martins Gama-Khalil
doaj   +1 more source

Pengaruh Konsentrasi Asam Terhadap Sifat Fisik dan Muatan Permukaan Selulosa Termodifikasi

open access: yesAlchemy, 2019
Selulosa merupakan salah satu biopolimer melimpah yang banyak digunakan dalam berbagai bidang seperti kertas, energi dan material komposit. Hidrofilisitas, dapat diperbaharui, ramah lingkungan dan aman adalah sifat-sifat selulosa yang dapat berpotensi ...
Agus Wedi Pratama   +4 more
doaj   +1 more source

Risk Management of Sugar Production Due to the Magnitude of Losses (Case Study of PT Perkebunan Nusantara X)

open access: yesIndonesian Journal of Business and Entrepreneurship, 2017
High sugar consumption cannot be fulfilled by domestic sugar production. The reason is that the performance and efficiency of the national sugar mills (PG) are still relatively low.
Ahmad Zainuddin   +2 more
doaj   +1 more source

Historical Review of Smallholder Coffee Farmers Population in Kayumas Village, Situbondo Regency

open access: yesIHiS (Indonesian Historical Studies), 2023
This study discusses the historical context of the existence of community coffee farmers in Kayumas Village, Arjasa District, Situbondo Regency, starting in 1883 until the formation of a coffee farmer group in 2018. Based on the historical research using
Latifatul Izzah   +4 more
doaj   +1 more source

Two-photon diffraction and quantum lithography [PDF]

open access: yes, 2001
We report a proof-of-principle experimental demonstration of quantum lithography. Utilizing the entangled nature of a two-photon state, the experimental results have bettered the classical diffraction limit by a factor of two.
A. Einstein   +15 more
core   +2 more sources

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