查询词典 Oxygen

Comparing with the old process, the new process makes the content of oxygen half remain, the lowest is 10.9ppm and the average content is 15ppm; the total content of oxide inclusion decreases 45%, the lowest is 16ppm and the average content is 17. 5ppm. The notch toughness value of wheel in the new technology is much increased than that in injecting CaSi powder, in wire-feed and in the conventional process, the notch toughness value at low temperature, such as at -40℃ and -60℃ increased over 40%.

工业性试验结果表明，采用本研究的工艺条件，不仅使车轮钢全面满足GB8601-88和GB8602-88标准中A级车轮的质量要求，而且也满足了铁道部对200km/h高速车轮提出的冶金质量要求，与原工艺相比，使钢中氧含量减少一半，最低为lO.9ppm，平均为15ppm：氧化物夹杂总量下降了45％，最低为16ppm，平均为17.5ppm，车轮的冲击韧性值得到了明显提高，其中-40℃和-60℃的低温冲击韧性值较喷粉、喂线及原工艺高40％以上。

Other interesting aspects of the enzyme and its gene are that intracellular PAC activity is under several regulatory controls, such as temperature, oxygen level, catabolite repression and phenylacetic acid induction.

另外，青霉素G酰化酶的基因表达调控非常复杂，在大肠杆菌中，至少有三个不同的启动子可以起动它的转录；可以在转录、翻译、分泌和折叠加工等不同环节进行调控，它的表达调控受温度，溶氧和碳源等环境因素的影响。

Consider to discover, OSAHS patient appears because of relapsing in nightly Morpheus disease of blood of low oxygen, tall carbonic acid, consensual as disorder as parasympathetic nerve function, already made coronary heart disease (the cardiovascular disease such as CHD) sparks importantly element, can cause all sorts of rhythm of the heart wrong, aggravating cardiac muscle is short of blood, produce sudden death of heart source sex even. 1 O SAH S and hypertensive disease consider to discover, OSAHS patient's nightly small arousal can bring about sympathetic stimulant increase, adrenalin can nerve medium if adrenalin, go adrenalin secretes armour grow in quantity, heighten of material of phenolic amine of catechu of nightly make water.

探究发现，OSAHS患者夜间睡眠中因反复出现低氧、高碳酸血症、交感和副交感神经功能紊乱，已成为冠心病等心血管疾病重要的触发因素，可诱发各种心律失常、加重心肌缺血，甚至发生心源性猝死。1 O SAH S和高血压病探究发现，OSAHS患者夜间的微觉醒可导致交感神经兴奋性增强，肾上腺素能神经介质如肾上腺素、去甲肾上腺素分泌增多，夜间尿儿茶酚胺类物质增高。

It has also been studied that the influence of the cementite formation in catalyst Pt-Fe/C,as it is heated. In the end,the adsorptive oxygen on catalyst surface has been evaluated.

本文对铂铁合金催化剂中形成渗碳体的情况亦做了初步研究，分析了渗碳体的形成对催化剂性质的影响。

Although the pathologic changes of ICP are similar to those of placental ischemia,these alterations influenced directly the plaˉcental blood and oxygen supply function to result in bad pregnancy.

虽然ICP时胎盘病理改变与胎盘缺血缺氧时的改变相比无特异性，但形态学改变直接影响了胎盘的供血和供氧功能，导致了不良妊娠结局。

But clue to lack of greenplants,photosynthesis did not exist,Cephalopoda needing oxygen had tiolive in the sea.Fortunately the deep sea is pitch-dark,just as thesaying in Journey to the Westthat" Becausethere was no calendar time in the mountain,animals did not know thecoming of the new year".

只是少了绿色植物，光合作用不复存在，需要氧气滋润的头足动物只好避入海洋，好在深海一团漆黑，就如同西游记里说"山中无甲子，寒尽不知年"，那时生物也不在乎时间。

Objective To evaluate the clinical effect of hyperbaric oxygen on hypertensive cerebral hemorrhage.

目的评价高压氧治疗高血压性脑出血的疗效。

HIE (hypoxia-ischemic encephalopathy) is a cerebropathy for the newbornsbecause of lacking oxygen during the perinatal period and it always cause greatharmful to the newborns.

新生儿缺氧缺血性脑病是新生儿在围产期内由缺氧而引起的脑部损伤，严重威胁新生儿的生命健康安全。

Doped ceria is a promising intermediate temperature solid electrolyte because of its higher oxygen ion conductivity and good compatibility with cathode and anode.

CeO_2基固体电解质由于具有比ZrO_2基固体电解质更高的离子电导率、很好的电极相容性而成为最有应用前景的中温固体电解质材料。

High-performance rare earth oxygen storage material ceria is the key material of automotive exhaust gas purification catalyst. It determines the performance and life time of the catalyst and has become the focus of competition of all countries in the field of automotive exhaust gas purification catalyst.

高性能稀土储氧材料CeO2是汽车尾气净化催化剂的关键材料，决定着催化剂的性能和寿命，是各国在汽车尾气净化催化剂领域竞争的焦点。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐