The preparation process of yeast extracts is studied. The influence of temperature? pH?

During the culture, medium has been simplified as follows: using sodium lactate and sodium glutamate as carbon source and nitrogen source respectively, yeast extracts as growth factors and trace element.

首先，优化并确定了光合细菌培养基配方：以乳酸钠为碳源，谷氨酸钠为氮源，用酵母膏来替代微量元素和生长因子。

Comparison and analysis of nitrogen compound from two kinds of typical yeast extracts

两种典型酵母抽提物中含氮化合物的比较分析

An Industrial Method of Manufacturing Yeast Extracts

酵母精的工业化生产

Yeast extracts typically intensify and round out flavors and provide intense meaty notes in appropriate applications.

适当使用酵母抽提物可以强化和柔和风味并提供肉风味。

Yeast extracts: the natural flavor enhancer On X-wei

酵母提取物天然味美的调味料论X味

Development and application of yeast extracts to sauce

酱油专用酵母味素的进一步开发与应用

Study on the process of yeast extracts used as food seasoning

酵母抽提物鲜味剂的工艺研究

At ABF Ingredients, sales of feed and bakery enzymes and yeast extracts continued to make strong progress with enzymes particularly benefiting from the success of new products.

在配料业务中，饲料和烘焙酶、酵母抽提物销售收入继续强劲增长，酶制剂由于新产品的成功上市收入增长较快。

The effect of VB added into the culture medium on the nucleic acid was better than the yeast extracts.

在培养基中直接加入酵母膏的效果比在培养基中加入维生素B1的效果要好。

Mr. Koum: For us, it's about staying independent.

：对我们来说，关键是保持独立。

Mr. Koum: To be fair to Mark, I don't understand a whole lot about Facebook's internal metrics and statistics and how the company works and different ways to generate revenue.

：实话实说，我对Facebook的内部指标和统计数据以及该公司如何运作、产生收入的种种来源真的不是很清楚。

The app is so popular, WhatsApp CEO Jan koum revealed earlier this month it has more users than twitter, which reported 200 million-plus members last December.

首席执行官杨•库姆上月早些时候透露，WhatsApp的用户数已赶超Twitter，而后者早在去年12月就号称用户数已经突破了2亿。

Jan Koum, WhatsApp co-founder, said protecting private communication was a core value at WhatsApp, partly because of his own experience growing up in the Soviet Union.

WhatsApp联合创始人简•库姆（Jan Koum）表示，保护私人通信是WhatsApp的核心价值观之一，部分原因是他在苏联长大的经历。

But on his LinkedIn page, the 37-year-old Koum flies more under-the-radar.

但在LinkedIn的个人主页上，现年37岁的库姆有着更多不引人注目头衔和经历。

Rather than be absorbed into Facebook's business, Mr. Koum sees WhatsApp functioning as a separate arm that will help the social network diversify its revenue streams as it grows.

库姆认为今后WhatsApp将单独作为Facebook的一个实体继续运营，帮助Facebook在成长的同时实现收入来源的多元化。

Mr. Koum: It was all his idea.

：这完全是他的主意。

Still, Acton and Koum's late-blooming strategy worked.

不过，阿克顿和库姆大器晚成的战略行之有效。

Before that, he spent three years at Apple AAPL 0.39% and over 11 years at Yahoo, where he met WhatsApp CEO and cofounder Jan Koum and eventually became the company's vice president of engineering.

在此之前，他在苹果（Apple）干了三年，在雅虎干了11年多。阿克顿在雅虎结识了WhatsApp首席执行官兼联合创始人简o库姆，并最终成为WhatsApp公司负责工程设计的副总裁。

Mr. Koum told The Wall Street Journal last December that WhatsApp has 'no plans to sell, IPO, exit,' or get new funding.

Koum去年12月份向《华尔街日报》（The Wall Street Journal）表示，WhatsApp没有出售、上市、退出或筹资的计划。

Jan Koum, WhatsApp chief executive and the guy who just agreed to sell his company to Mr. Zuckerberg for$ 19 billion, is also addressing the congress, along with a stable of chiefs of the world's biggest telecom companies.

WhatsApp首席执行长库姆（Jan Koum）也与世界最大科技公司的一众老板们一道出席大会；库姆刚刚以190亿美元向扎克伯格出售了WhatsApp。