Methods:The histopathology and immunophenotype of 26 cases breast carcinosarcoma and 30 cases breast cacinoma were reviewed. Clinical data such as operation, pathological and biology features were studied.

回顧性分析經(jīng)手術(shù)和病理學(xué)證實(shí)26例乳腺癌肉瘤的臨床資料国产1级在线视频网站免费，并將30例乳腺癌作為免疫表型的對(duì)照組人人干人人操人人，研究該腫瘤的臨床特點(diǎn)和病理生物學(xué)特性久久99精品久久久久久66。

Founded in 1788, the Linnean Society of London takes its name from the famous Swedish naturalist Carl Linnaeus. It uniquely embraces the entire sweep of biology, and particularly areas concerning the diversity and interrelationships of organisms.

倫敦林奈學(xué)會(huì)創(chuàng)建于1788年91中文字幕永久在线看，以著名的瑞典博物學(xué)家卡爾·林奈的名字命名，它是唯一囊括整個(gè)生物學(xué)領(lǐng)域的研究團(tuán)體国产精品区在线，對(duì)研究生物體的多樣性和相互關(guān)系尤為關(guān)注欧美三级欧美一级69。

And, as it is with people, so it is with plants—at least, that is the conclusion of a paper published in Biology Letters by Naomi Cappuccino, of Carleton University, and Thor Arnason, of the University of Ottawa, both in Canada.

人是這樣，植物也是如此至少又黄又刺激视频，《生物書簡(jiǎn)》上發(fā)表的一篇論文是這么認(rèn)為的人人干,人人草，是來(lái)自加拿大加里敦大學(xué)的納奧米·卡普奇諾和渥太華大學(xué)的索爾·阿納森欧欧美一级a爱高清成在线看。

Tomato was an important cash crop and a model plant in molecular biology field.

番茄是重要的經(jīng)濟(jì)作物和分子生物學(xué)研究中的重要的模式植物欧美一级www。

With the development of molecular biology techniques,the research on the mechanism of congenital cataract has made great progress.

隨著分子生物學(xué)技術(shù)的發(fā)展，對(duì)于先天性白內(nèi)障發(fā)病機(jī)制的研究有了很大的進(jìn)展欧美一区二区三A片。

In this articl, the background, the thoretical source and the basic content of Cuvis catastrophism are discussed, It is shown that it is not a subjective fabrication by Cuvier, but rather it is inherited from reforming former catastrophic ideas, on the basis of his long-term scientific practic, Therefore it helped to push forward the dvelopment of gology and biology.

本文論述了居維葉災(zāi)變論的產(chǎn)生背景爱操视屏免费网站，理論來(lái)源及其基本內(nèi)容，證明它并不是居維葉的主觀臆造国产高清无码强奸视频网址，而是他在長(zhǎng)期科學(xué)實(shí)踐基礎(chǔ)上對(duì)前人災(zāi)變思想的繼承和改造一级av一片免费观看高清。因此它對(duì)地質(zhì)學(xué)和生物學(xué)的發(fā)展曾起到巨大推動(dòng)作用。本文還論述了居維葉災(zāi)變論與其它災(zāi)變學(xué)說的區(qū)別插插受不了视频；并列舉大量現(xiàn)代科學(xué)發(fā)現(xiàn)證明居維葉所謂的災(zāi)變是不可否認(rèn)的事實(shí)国产免费AⅤ片在线观看播，是自然界中具有確定原因的必然發(fā)生的歷史事件。

At a national conference on biology,he cautiously advanced his new theory of life.

他在一次全國(guó)性的生物會(huì)議上審慎地提出了自己新的生命理論国产800AV私人在线观看。

See [90]. The theoretical work by these mathematicians supplied many of the ideas and approaches that were later used in more applied situations in physics, celestial mechanics, chemistry, biology, and other fields.

這些數(shù)學(xué)家的理論工作提供了很多思想和方法日韩小视频在线，這些后來(lái)都被應(yīng)用于物理、天體力學(xué)潮喷人人操、化學(xué)亚洲日本网、生物學(xué)和其它領(lǐng)域更為復(fù)雜的情形。

Modern biotechnology has become an applied area of science with a multidisciplinary approach embracing recombinant DNA technology, cellular biology, microbiology, biochemistry, as well as process design, engineering, modeling and control....

現(xiàn)代生物技術(shù)已經(jīng)成為科學(xué)應(yīng)用領(lǐng)域涵蓋了多學(xué)科的重組DNA技術(shù)视色视频免费在线观看，細(xì)胞生物學(xué)久久阿只有精品，微生物學(xué)，生物化學(xué)方法，以及工藝設(shè)計(jì)无码视少妇视频一区二区三区，工程設(shè)計(jì)欧美大一片免费网站，建模和控制。www.爱99。国产精品特黄特级AAAAAA片。。

One goal of synthetic biology is to make what is known as cellulosic ethanol.

合成生物學(xué)的一個(gè)目標(biāo)就是制造纖維素乙醇处女开破视频。