到目前为止，大部分方式还在依赖象铱那样不实用的稀有原料作为引发反应的催化剂。
Until now, most approaches relied on impractically scarce materials like iridium as a catalyst that triggers the reaction.
这在很大程度上是多晶硅生产规模大幅提升引发太阳能电池板价格下跌的反应。
This was a response to tumbling prices of solar panels, triggered largely by a big increase in polysilicon production capacity.
这一过程释放出大量能量和更多的中子，于是继续将别的铀原子一分为二，引发连锁反应。
The process releases a lot of energy and more neutrons, which go on to split other uranium atoms, triggering a chain reaction.
这些植入应该不会引发免疫反应，从而帮接收者避免了一个潜在的问题。
The implants should not trigger an immune response, getting rid of one potential problem for recipients.
通过减慢呼吸的速率，可以降低你的血压并引发身体的放松反应。
By halving the rate at which you breathe, you lower your blood pressure and trigger the body's relaxation response.
巨大的恒星在死亡时会产生超新星爆炸，所引发的反应，制造了宇宙中大多数的重元素，这是科学家几十年前就已经知道的。
For decades, scientists have known that supernovae, the explosive deaths of giant stars, trigger reactions to forge most of the heavy elements in the universe.
接触过敏食物、亲吻或触碰刚吃过这类食物的人就足以引发强烈反应。
Touching the offending food and kissing or touching someone who has recently eaten the food can be enough to cause a major reaction.
尽管这样的公告可能不会每天都出现，但是我们大多数人都知道，花生能够引发危及生命的过敏反应。
While such an announcement may not be an everyday occurrence, most of us are familiar with the idea that peanuts can trigger a life-threatening allergic reaction.
如果后来受到感染，这些细胞可与病毒结合，引发快速的免疫反应。
On subsequent infection, these cells can bind to the virus and trigger a rapid immune response.
她说，若不能全面解决粮食危机，它将引发的连锁反应会使包括健康和受教育权利在内的其他基本权利也难以保证。
She said a failure to respond to the food crisis in a comprehensive way could trigger a domino effect by putting at risk other fundamental rights, including the right to health or to education.
这些偶尔发生反应的分子确实很好，不过化学工程师更感兴趣的是尽可能安全、尽可能便宜地引发大量的理想反应来生产有用的产品。
Molecules reacting occasionally are all well and good, but chemical engineers are interested in causing a lot of the correct reactions to produce useful products, as safely and cheaply as possible.
并非信念本身，而是由积极信念引发的思想行为连锁反应。
Not because of the belief itself, but because of the chain of thoughts and actions triggered by a positive belief.
作为对病毒感染自然防御的部分，人类细胞的蛋白质会锁住dsRNA，引发级联反应，以阻止病毒的自我复制。
As part of their natural defenses against viral infection, human cells have proteins that latch onto dsRNA, setting off a cascade of reactions that prevents the virus from replicating itself.
甚至领头的高科技公司——包括其产品曾引发连锁反应的那些公司——有时都发现他们自己被只有一个好创意的企业所超越。
Even leading high-tech companies----including those whose products started the chain reaction----sometimes find themselves out-paced by entrepreneurs with little more than a good idea.
可能是潜在的炎症引发的，这是身体里对疾病和损伤的正常反应。
It could be stemming from underlying inflammation—a common bodily response to illness or injury.
一旦有人看了他们的手机，其他人也会觉得有必要这样做，从而引发连锁反应。
Once one person looks at their phone, other people feel compelled to do the same, starting a chain reaction.
如果以这种方式熔化的燃料足够多，或许能够组成一个临界质量，重新引发裂变反应。
If enough molten fuel gathers this way, a critical mass may be assembled, reigniting the fission reaction.
周五他的突然辞世引发了大量强烈反应，其范围之广让我们更为意识到他的影响力是多么巨大。
And as reaction to his sudden death began to pour in Friday, its extent underscored how far his influence had spread.
Ca2 +可以激发酶系统，从而帮助引发人体免疫反应——科学家们想知道Pb 2 +是否有相同的效果。
Ca2 + stimulates enzymatic systems that help trigger the body's immune defences - the investigators wondered if Pb2 + did the same.
此时，附着于皮肤的葡萄似的脂肪细胞会从激光中吸收光能量，从而引发一连串使细胞破裂的生化反应。
Here, bunches of grape-like fat cells attached to the skinabsorb light energy from the laser, triggering a cascade of biochemicalreactions that ends up with the cells rupturing.
这正是他在对9月17日的言辞引发的反应表示遗憾之后，又另表示他想要一场“坦率而真诚”的对话之时所要表达的本意。
This is what he meant when, after lamenting the reaction to his words on September 17th, he added that he wanted a dialogue that was “frank and sincere”.
我们已经研究这个问题超过10年了，之前的一些疫苗能够引发一定的免疫反应，但是并不足够有效。
"We've been working on this problem for over 10 years and the vaccines we've tried in the past have induced some immune responses but they have not been very effective."
不过一种病毒引发的免疫反应可能使宿主免于感染另外一种病毒(参见“季节性流感病毒抗体能对抗猪流感病毒”)。
But it is still possible that the immune response elicited by one virus can offer protection against the other (see Old seasonal flu antibodies target swine flu virus).
它是最后一批建造但仍在运行的，无安全壳的苏联式反应堆之一。它位于地震带上，自日本的地震和海啸引发核危机以来，又重新受到了人们的关注。
One of the last old operating Soviet reactors built without containment vessels, its location in a seismic zone has drawn renewed attention since Japan's earthquake-and-tsunami-triggered crisis.
它是最后一批建造但仍在运行的，无安全壳的苏联式反应堆之一。它位于地震带上，自日本的地震和海啸引发核危机以来，又重新受到了人们的关注。
One of the last old operating Soviet reactors built without containment vessels, its location in a seismic zone has drawn renewed attention since Japan's earthquake-and-tsunami-triggered crisis.
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