Biología floral de Mammillaria huitzilopochtli, una especie rara que habita acantilados.

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Una evidencia robusta de que el algoritmo DES fortalecido con una permutación inicial variable es eficiente

By using the JV Theorem, it is possible to associate a number of size 10 89 to a 64 position permutation in 63 steps. This result has been applied to strengthening the DES algorithm by using a variable initial permutation, increasing the computational complexity of the algorithm, given that each permutation works as a key. However, it still remains to be seen how the variable initial permutatio...

متن کامل

An Unusual Complication of Exercise Echocardiography Una rara complicación de la ecocardiografı́a de esfuerzo

A 53-year-oldwomanwas referred for stress echocardiography. Her clinical record included a history of high blood pressure and VVIR pacemaker implantation secondary to atrioventricular nodal ablation for symptomatic refractory paroxysmal atrial fibrillation. During the previous 3 months, she reported episodes of precordial oppression and dyspnea triggered by emotionally stressful situations. Exe...

متن کامل

Perfil de los fumadores que solicitan tratamiento en una unidad de tabaquismo

OBJECTIVES: The variety of smoking cessation therapies that have proven effective ranges from simple counseling to intensive interventions. The objective of our study was to identify the characteristics of smokers who currently seek treatment at a smoking cessation clinic. METHODS: Descriptive observational study. The target population consisted of smokers who sought treatment at a smoking cess...

متن کامل

A New Species of Rain Forest Canopy Tree from the Isthmus of Tehuantepec, Mexico

Ocotea heribertoi is a remarkable new species from very high precipitation rain forests of the Chimalapa-Uxpanapa region of the Isthmus of Tehuantepec in Oaxaca and Veracruz, Mexico. It sports the largest known globose fruit within this large genus, borne in an unusual cupule, while the combination of vegetative and floral features indicate that it is apparently not closely related to any descr...

متن کامل

Comparación de técnicas metaheurísticas para la generación automática de casos de prueba que obtengan una cobertura de software

Resumen. La prueba del software es un proceso difícil y caro que consume normalmente el 50% de los costes en un desarrollo software. Por ello el uso de técnicas que permiten la automatización de este proceso es muy importante. Los últimos métodos para la generación automática de casos de prueba para la obtención de cobertura software utilizan la técnica metaheurística denominada Algoritmos Gené...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Botanical Sciences

سال: 2014

ISSN: 2007-4476,2007-4298

DOI: 10.17129/botsci.13