查询词典 toxic

One on the Romer black Dalbergia (commonly known as big-leaf red sandalwood) toxic news in the industry spread.

什么木材有毒？一则关于卢氏黑黄檀有毒的消息在业内流传开来。

News media did not carry out detailed inspections, but such a raw material for Romer's black Dalbergia the "toxic" issue, the first telephone consultation with the Chinese Academy of Forestry, Mr. Yang Jiaju Institute of Wood Industry.

记者没有对媒体报道进行详察，只是针对卢氏黑黄檀这种原材料的&毒性&问题，首先电话咨询了中国林业科学研究院木材工业研究所的杨家驹先生。

Many investigators have studied the toxic effects of heavy metals on Daphnia.

值得注意的是，在土壤和富营养化的水体中，氮、磷和重金属污染往往同时存在。

Using photosynthetic bacteria that generate this toxic form of oxygen, Elizabeth Campbell, a research associate in Seth Darst's Laboratory of Molecular Biophysics, and her colleagues determined the unique arrangement of atoms in this two-protein complex, called s E /ChrR - and in the process, clarified the key to the structure's function: a single zinc ion.

Seth Darst的分子生物物理学实验室的一位助理研究员Elizabeth Campbell与其同事确定了这个由两种蛋白组成的复合物中原子特有的排布状态。并找到了决定该结构功能的关键：一个单个的锌离子。

Produced a non-toxic harmless, easy to use, save time and energy saving, high-yield products: Dephosphorization agent deacidification agents, depigmenting agents, increasing the crystallization inhibitory agents and agent.

生产出了无毒无害的、使用方便、省时节能、得率高的产品：脱磷剂、脱酸剂、脱色剂、增大剂和抑晶剂。

There are several D-amino acid itself is toxic to plants even in the relative low concentration of D-amino acids because many plants lack the normal channels of D-amino acid oxidation deamidation, Therefore, we can use D-amino acid lyase having the toxicity to plant as a safe selectable marker.

对植物来说，很多组织缺乏正常的途径对D-氨基酸进行氧化脱氨基作用，由于这种消化系统的不同导致的结果是，有几种D-氨基酸本身对植物是有毒性的，即使在D-氨基酸相对浓度较低的情况下。

In the meantime, it still has purify water quality, reduce content of content of float of water horizontally pivoted hung, decolour, deodorization, go peculiar smell, eliminate the function such as harmful and toxic substance, be like: Nitrite, sulfide, wide chart sterilization, provide the security of hygiene and epidemiology respect.

同时，它还有净化水质，降低水中悬浮物含量，脱色、除臭、去异味、消除有害有毒物质等功能，如：亚硝酸盐、硫化物等，广谱灭菌，提供卫生学和流行病学方面的安全。

Toxicity and repellent activity of several plant-based compounds on Blattella germanica were studied, results showed that rotenone, toosendanin and azadirachtin had stomach toxic effect on Blattella germanica, rotenone showed high stomach toxicity and all insects died after 8 hours, matrine also has deformative effect on Blattella germanica , matrine and toosendanin can affect oviposition of Blattella germanica; repellent activity of these botanicals was further studied, results showed that bering hydrochloridum, azadirachtin and sparteinehave had repellent activity against Blattella germanica, observation also showed that rotenone and bering hydrochloridum had high contact toxicity against Blattella germanica, the time of all insects knocked down were 8 and 48 hours.

选取了7种植物源化合物，测定了它们对德国小蠊的毒性和驱避性，结果表明，鱼藤酮、川楝素和印楝素对德国小蠊具有不同程度的胃毒作用，其中鱼藤酮乙酸乙酯溶液作用较强，8小时死亡率已达100％，川楝素和印楝素对德国小蠊也表现出一定的毒杀作用，观察还发现印楝素和苦参碱对德国小蠊的发育有致畸作用，苦参碱和川楝素影响其卵鞘形成；进一步对这几种化合物的驱避性进行研究，结果表明盐酸黄连素、鱼藤酮乳油和印楝素乳油对德国小蠊有不同程度的驱避作用，其驱避率分别为96.7％、51.3％和50.1％，另外观察到鱼藤酮乙酸乙酯溶液和盐酸黄连素对德国小蠊具有较强的触杀活性，供试虫全部被击倒的时间分别为8小时和48小时。

Coke wastewater is typically toxic difficult degradational pollutant.

焦化废水是典型的有毒难降解废水。

In May 2006, the Seattle-based Toxic-Free Legacy Coalition tested Washington residents and found 80 percent had detectible leels of the chemical in their bloodstreams 34 years after it was banned in the United States.

在2006年5月，西雅图无毒素遗留联合会检测了华盛顿居民，发现在美国禁止DDT34年后，80％的居民血液中可检测到这种化学物。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。