单词：stem apex
stem apex的用法和样例：
例句
- Calli were induced from immature leaves and stem segments of Minqin Chinese date,plant regeneration via organogenesis was obtained by rooting from shoot-tip.以民勤小枣幼茎和幼叶为外植体，诱导出愈伤组织，用茎尖诱导生根获得再生植株。
单词：stem apex 相关文章
Most college students in the United States choose their major, or main field of study for their degree, before or during their first year. For Saskia Fagan, making that choice was not easy. Fagan, who is now 31 years old, grew up in Takoma Park, Mary
2018年VOA慢速英语(一)月
Paris Paris intrigues 1 , astonishes, provokes, overwhelms 2 ... and gets under your skin. The City of Light is the apex 3 of architectural beauty, artistic expression, and culinary 4 delight, and it
英语沙龙2004全年合辑下
Rwanda Invests in STEM Education for Girls Yvonne Kevia is an 18-year-old high school student in Rwanda. She wants to become a chemical engineer. She enjoys doing experiments and taking careful notes in her high school laboratory in Kigali, Rwandas c
2017年VOA慢速英语(十二)月
SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I
科技之光
Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use
世界各地新闻集锦
面见客户时的实用英语 会话场景 接机后的次日，Brian在公司里，为Johnathan介绍自己的老板－Mr. Sun。 B： Mr. Sun， Id like you to meet Mr. Johnathan Mitchell， sales manager for Nortern Reflections of Canada. Mr. Mit
实用英语
By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds
VOA常速英语2008年（二月）
> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59
科技之光
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
It was no surprise in Hollywood last night when British actor Colin Firth and Israeli-American actress Natalie Portman took home Academy Awards(学院奖) for Best Actor and Best Actress. It was the first win for both actors. As the stammering King G
英语新闻
会话场景 接机后的次日，Brian在公司里，为Johnathan 介绍自己的老板-Mr. Sun。 B: Mr. Sun, Id like you to meet Mr. Johnathan Mitchell, sales manager for Nortern Reflections of Canada. (Sun extends hand first; Sun and Mitchell sha
实用英语
NEW DELHI, April 13 (Xinhua) -- In a landmark ruling, India's Supreme Court has rejected a plea by a death row prisoner to commute his sentence to life in jail. Devinder Pal Singh Bhullar -- on death row since 2001 for triggering a bomb blast in Sept
英语新闻
By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia
VOA常速英语2007年（十二月）
It's little more than a decade since Mark Zuckerberg dropped out of Harvard at the age of 19 to launch Facebook. The social network has made him the fourth-richest man in America and a hero to any aspiring college entrepreneur. 十多年前，19岁的马
英语新闻
Japan's government and the country's central bank took action Thursday to dilute the yen. The Japanese currencys strong standing against the dollar is making exports more expensive, hurting efforts to revive the country's moribund economy. After many
英语新闻
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
英语新闻
今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表
英语单词荟萃
Scorning a turnstile wheel at her reverend helm, she sported there a tiller; 它不屑在受人尊敬的船舵上装只旋轮,却开玩笑似地装上一只舵柄; and that tiller was in one mass, curiously carved from the long narrow lower jaw of he
白鲸记
接机后的次日,Brian在公司里,为Johnathan 介绍自己的老板-Mr. Sun。 B: Mr. Sun, Id like you to meet Mr. Johnathan Mitchell, sales manager for Nortern Reflections of Canada. (Sun extends hand first; Sun and Mitchell shake hands) Mr. Mit
实用英语