查询词典 ferrous

Ring appears armature electro-acoustic transducer, abandoned plane ferromagnetic disk Diaphragm Park, began to use his ring on the armature and the bonding of non-ferrous magnetic Park tapered at the end of radiator to lower the quality of the sound output pressure to increase by 5 decibels, to extend the frequency range of about 500Hz, the successful design, moving iron type electro-acoustic transducer to achieve the ultimate performance.

1950年出现的环型衔铁电声换能器，摒弃了铁磁性平面园盘振膜，开始采用环状衔铁和粘接其上的非铁磁性园锥形辐射体来降底质量，使输出声压提高了5分贝，频率范围扩展了约500Hz，这一成功设计使动铁式电声换能器的性能达到了极致。

The effects of pH value, redox potential, ferrous ions, total iron and uranium concentration were examine...

结果表明，在沥青铀矿石的细菌浸出中，细菌的作用以间接作用为主，即细菌把还原态的硫或单质硫及Fe2+氧化成Fe2(SO4)3。

On the other hand, the higher contents of hematite would not necessarily make the rocks red-colored, due to the suppression by other pigments, such as organic matter in black or ferrous iron of chlorite in green.

总体而言，浅红色岩层含有最高的总铁含量和赤铁矿铁，灰色岩层则以顺磁性的亚铁为主，暗色和绿色岩石仅含有顺磁性的二价铁或者与相对丰度较低的三价铁共存。

Foshan Shunde Dong Lin Non-Ferrous Metals Co., Ltd. was established in 1988, has over 20 years is a professional production of yellow brass, rods, profile of large-scale well-known enterprises in South China reputation.

佛山市顺德区东霖有色金属有限公司成立于一九八八年，是一家有着20多年专业生产黄铜管、棒、异型材的大规模知名企业，在华南地区享有盛誉。

Industry, steel, non-ferrous m etal or building m aterials, in violation of this Law, fails to

油锅炉的，由县级以上地方人民政府循环经济发展综合管理部门责令限期改正；逾

Methods: Cases were selected from patients with serious CHF accompanied by anemia, hospitalized between 2004 Augest and 2005 Augest, and divided at random into treatment group and control group; forwardlooking filing was adopted. Two groups were both rendered regular antiheart failure treatment; control group was added injection of RhEPO and ferrous obiect; after one year followup, difference in objective indices was compared.

选择自2004.8～2005.8月间住院的重度CHF伴贫血的患者，采用前瞻性队列研究，随机分为治疗组和对照组，两组患者均给予常规抗心衰治疗，治疗组加用重组促红细胞生成素注射及铁剂口服治疗，随访1年，比较两组在客观指标上的差别。

This invention discloses one lithium ion battery anode materials, which is made by following steps: a, mixing lithium salt, microcosmic salt and ferrous oxalate for grinding with mole proportion as one to one to one; after drying under nitrogen gas protection in 300-400DEG C for heating for five to eight hours; b, adding addictive agent into the mixture with weight proportion as3-10:1; c, bursting the mixture gas under inertia gas protection under temperature of 500-800DEG C for 10 to 24 hours; d, adding the product into crucible with active carbon 10 to 40 g and adjusting the microwave frequency into 140 to 700 W with control time as 1 to 14 minutes.

本发明公开了一种锂离子电池正极材料，由70-90wt％的LiFePO 4 和10-30wt％的碳组成，按照以下步骤制备：(1)将锂盐、磷盐和草酸亚铁混合球磨，所述锂、铁和磷元素的摩尔比为1∶1∶1，干燥后在氮气保护下300～400℃预热5～8小时；(2)在上述的混合物中加入添加剂，所述混合物与添加剂的重量比为3～10∶1；(3)将步骤(2)得到的混合物在惰性气体保护下，进行焙烧，焙烧温度为500～800℃，焙烧时间为10～24小时；(4)将焙烧后的产物压片，放入装有活性炭10～40g的坩锅，再将坩锅放入微波炉中，微波功率调至140～700W，控制时间为1～14分钟。

Later that day, the six survivors used up their last food and fuel, trapped in high camp in a ferrous hurricane.

他后来仍然坚持攀登并拍摄影片，但他不会再回到那极高的地方了。

The first sulfuric acid in the world was prepared by destructive distillation of green vitriol［ferrous sulfate FeSO4.7H2O］in the second half of 15th century.

世界上最早的硫酸，产生于15世纪后半叶，当时的原料为绿矾石［FeSO4.7H2O］，通过对其加热分解和吸收制出硫酸。

A series of iron proxies have been suggested to distinguish the redox condition of the paleoocean, by studying iron cycling in the modern ocean. On the basis of this methodology, scientists have reconstructed the redox history of paleoocean since the Archaean as a sequential appearance of the ferrous, sulfidic and oxic ocean.

Raiswell、Canfield、Poulton等通过对现代典型海洋环境活性铁循环研究，提出了一系列用于判别古海洋氧化还原条件的活性铁指标体系，并成功地将太古宙以来的古海洋划分成为含铁的大洋、硫化的大洋和氧化的大洋等3个演化阶段。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。