concentrations的意思

In heavy concentrations, ozone is irritating to the eyes, nose and throat.高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。Large concentrations of capital were in the hands of merchants.大量资本集中在商人手里.The latest data showed that global ozone concentr...

concentrations的音标：concentrations的英式发音音标为：[kɒnsənt'reɪʃnz]concentrations的美式发音音标为：[kɒnsənt'reɪʃnz]...

Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.在有些油田卤水中,钡的浓度大于100毫克/升.At lower concentrations they may even be stimulants of cell division.在浓度较低时,它们甚至能促进细胞分裂.Methods Three different...

The identifiability for causal effects under a type of causal model is treated by equation method.运用方程组求解的方法来解决一类因果效应可识别的充要条件的问题....

n.钓鱼，钓鱼术，角化...

The wise man has no perplexities.贤者,不惑也.It was not her employer who created these perplexities.令她感到慌恐的并非是她的雇主.I walked home in a distracted state, with my two perplexities.我带着这两个棘手的难题,心神不定地走回家去....

fructose的音标：fructose的英式发音音标为：['frʌktəʊs]fructose的美式发音音标为：['frʌktoʊs]...

终于，经过很多苦恼或麻烦之后，总算，算...

“蜘蛛”的拼音为：zhī zhū...

These stresses arise from the exothermic nature of the reaction during gelation and cure.这种残余应力系由凝胶和固化期间化学反应能放出的热引起的.The main characteristics of maltodextrin include stability, hygroscopicity, viscosity, turbidity and ge...

肯普先生，特德一直很难相处——像他爸。Ted's always been difficult, Mr Kemp — he takes after his dad.“爸，”他说，“我觉得不舒服。”"Pa," he said, "I don't feel well."他爸对他要钱的请求给了明确的拒绝.His father gave him a clear no to his request for money....

n.茴香苷...

" And you say that Dant è s has gone to the Catalans? "“ 你说唐太斯已到迦太罗尼亚人那儿去了吗 ”?" No,'said Fernand; " I shall return to the Catalans. "“ 不, ” 弗尔南多回答, “ 我回迦太兰村. ”What do I see down there by the wall , in the direction ...

n.苄基联苯...

“巴西木”的英语可以翻译为：asiletto，braziletto，brazilwood ...

adumbrates的音标：...

However, life would be pleasanter if Rhett would recant his heresies.不过,如果瑞德放其他的那套异端邪说, 生活就会惬意得多.rather die than recant宁死不改变信仰White House officials ordered Williams to recant.白宫官员命令威廉斯公开宣布放弃自己的观点。...a man who had refused...