GRAFENO PARTE - D

Exit

Question 1 of 1

  Time Left


0 [{"id":429262,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"Cient\u00edficos de la Universidad de \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026... han demostrado que el \u00f3xido de grafeno, una forma modificada del grafeno, act\u00faa como agente anticancer\u00edgeno que se dirige directamente a las c\u00e9lulas cancerosas.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429260,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"Al ser capaz de conducir electrones de muy buena forma casi sin calentarse en el proceso, investigadores descubrieron que una l\u00e1mina de grafeno puede usarse en el desarrollo de \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026...\n","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429252,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"Propiedades del GRAFENO: Es extremadamente duro: 100 veces m\u00e1s resistente que una hipot\u00e9tica \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. del mismo espesor. Es muy flexible y el\u00e1stico. Es transparente.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429250,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"Se llama grafeno, es hiperfino, flexible y tiene una gran \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026..., y aunque hace ya a\u00f1os que se habla de \u00e9l, es ahora cuando se est\u00e1n viendo las primeras aplicaciones reales de esta sustancia.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429257,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"Muchas \u2026\u2026\u2026\u2026\u2026\u2026\u2026.. recientemente descubiertas, como los nanotubos de carbono, est\u00e1n relacionadas con el grafeno. Tradicionalmente, a estos nanotubos se les ha descrito como \u00abhojas de grafeno enrolladas sobre s\u00ed mismas\u00bb.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429258,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"Investigadores est\u00e1n indagando m\u00e9todos tales como transferencia de hojas de grafeno desde grafito (exfoliaci\u00f3n) o crecimiento epitaxial (como la grafitizaci\u00f3n t\u00e9rmica de la superficie del carburo de silicio: SiC).","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429256,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"El inter\u00e9s cient\u00edfico por el grafeno, su estructura y el enlace qu\u00edmico se describieron durante el decenio de 1930. \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026... calcul\u00f3 por primera vez (en 1949) la estructura electr\u00f3nica de bandas.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429249,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"En realidad, la estructura del \u2026\u2026\u2026\u2026\u2026\u2026\u2026. puede considerarse una pila de gran cantidad de l\u00e1minas de grafeno superpuestas. ","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429248,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"El Premio Nobel de F\u00edsica de 2010 se les otorg\u00f3 a los cient\u00edficos \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. y Konstant\u00edn Novosi\u00f3lov por sus revolucionarios descubrimientos acerca de este material.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429254,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"Comportamiento como cuasipart\u00edculas sin masa de los electrones que se trasladan sobre el grafeno. Son los\ndenominados \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.., que se mueven a velocidad constante, de manera independiente de su energ\u00eda.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429259,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"En los \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026... muy veloces, los electrones se desplazan r\u00e1pidamente en \u00e9l. As\u00ed, se prometen cables de grafeno que podr\u00edan mover informaci\u00f3n cientos de veces m\u00e1s r\u00e1pido que uno actual","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429251,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"Muchas son \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. que podr\u00edan aplicar este material para mejorar sus actuales productos. Una es la del m\u00f3vil, con pantallas flexibles y bater\u00edas m\u00e1s duraderas, pero tambi\u00e9n est\u00e1 el autom\u00f3vil o la aeron\u00e1utica.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429255,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"Aunque no deja pasar el \u2026\u2026\u2026\u2026\u2026.., s\u00ed permite paso al agua: en un recipiente de grafeno cerrado se evapora pr\u00e1cticamente a la misma velocidad que si estuviese abierto.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429261,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"Seg\u00fan los investigadores, sin mucho trabajo posterior para \"afinar\" \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. y darles un tratamiento especial,\nse consigui\u00f3 un sonido a la par de productos actuales de alta calidad.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":429253,"quiz_id":"21817","answer_id":null,"answerType_id":"0","created_at":"2018-04-10 23:12:38","updated_at":"2018-04-10 23:12:38","questionName":"Propiedades del GRAFENO: Se puede \u2026\u2026\u2026\u2026\u2026.. introduciendo impurezas para cambiar su comportamiento primigenio de manera que, por ejemplo, no repela el agua o que incluso cobre mayor conductividad.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null}]
429262
0
25
block

Científicos de la Universidad de ……………………... han demostrado que el óxido de grafeno, una forma modificada del grafeno, actúa como agente anticancerígeno que se dirige directamente a las células cancerosas.

Select the Correct Answers  

(0/0)












429260
0
25
none
429252
0
25
none
429250
0
25
none
429257
0
25
none
429258
0
25
none
429256
0
25
none
429249
0
25
none
429248
0
25
none
429254
0
25
none
429259
0
25
none
429251
0
25
none
429255
0
25
none
429261
0
25
none
429253
0
25
none