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What is represented by the symbol AZX is an atomic species called a nuclide of the element X, having an atomic number Z and a mass number A.

符号AZX代表的是元素X的一种核素,其原子序数是Z,质量数为A。

For the first time, Curie temperature and the properties were improved obviously by A-site substitution with A-deficiency, based on the effects of atomic radius and stress on the Curie temperatures.

结合原子半径和应力对材料居里温度的影响,首次利用A位含缺位的复合取代CaBi〓Ti〓O〓中位于A位的Ca,获得了居里温度和压电系数同时大幅度提高的高T〓压电陶瓷。

Seamless interfacing of low cost A/D and D/A for analog audio input and output.

低成本的无缝连接的 A/D 和 D/A 可用来模拟音频输入和输出。

A pure tone audiogram identified severe bilateral symmetric down-sloping sensorineural hearing loss with otherwise normal caloric testing result. Bilateral optic fundus examination using fluorescein angiography identified retinitis pigmentosa. A diagnosis of Usher syndrome Type Ⅱ was diagnosed based on these findings. The patient has worn a hearing aid with reasonable success, and has been advised to eat green vegetables and fruit to minimize further visual impairment.

纯音听力检查两耳为对称性重度感觉神经性听力障碍,视野检查为周边视野缺损,眼底血管萤光摄影显示色素变性,前庭功能检查正常,经诊断为Usher症候群第二型,目前患者配戴助听器后生活与人沟通尚无大碍、唯视障只能建议其多摄取叶绿蔬果(叶绿素、叶黄素、维他命A等)及眼睛防晒来防止恶化。

All were determined by the acoustic immitance audiometer and pure tone audiometry. Results (1)A type was determined in 33 patients (62.26%), As type in 4 patients (7.55%), B type in 2 patients (3.77%), and C type in 14 patients (26.42%). 35 patients (66.04%) had normal air hearing threshold, 16(30.19%) had a little deafness and 2 (3.77%) had middle deafness.

结果 (1)53例患者中,声阻抗鼓室导抗图A型33例(62.26%),As型4例(7.55%),B型2例(3.77%),C型14例(26.42%);正常听阈35例(66.04%),轻度聋16例(30.19%),中度聋2例(3.77%);(2)As、B、C型异常导抗图、峰压值、同侧对侧镫骨肌反射、坡度在鼻窦炎各分型与对照组、各分型之间比较,30组比较中9组有统计学差异。

To study the expression, purification and bioactivity of human augmenter of liver regeneration in Pichia Pastoris, the expression plasmid pPICZαA- ALR was constructed and transformed into P. Pastoris by the method of electroporation transformation. Induced with 0.5% methanol, the 30 kD protein in the culture supernatant of recombinant P. Pastoris was confirmed to be rhALR by SDS-PAGE and Western blot. Quantitative analysis showed that the target protein was in a level of 66% of the total protein of the culture supernatant, with a yield of 40mg/L.we had performed DEAE anion exchange chromatography two times with excessive and regular adsorption quantity consecutively, and then the rhALR above 95% purity and 52% protein recovery could be obtained by G75 molecular sieve chromatography at last step. The bioactivity assay of the purified product showed that rhALR could stimulate the proliferation of HepG2, SMMC-7721 and NIH-3T3 in vitro.

为在毕赤酵母中分泌表达人肝再生增强因子,以色谱法分离纯化后进行体外活性研究,构建表达载体pPICZαA- ALR,经电穿孔转入毕赤酵母中,用0.5%甲醇诱导表达;重组酵母培养上清经SDS-PAGE电泳和western blot鉴定后表明, rhALR以分子量为30kD的二聚体为主;定量分析结果表明,重组酵母培养上清中rhALR约占总蛋白的66%,表达量约为40mg/L;经DEAE柱和G75柱纯化后,获得的rhALR纯度大于95%,得率为52%;体外生物学活性实验表明,rhALR能明显促进HepG2、SMMC-7721和NIH-3T3细胞的增殖。

In order to achieve a high concentration and high productivity of exopolysaccharide from Auricularia auricula, the effect of pH on the performance of EPS production in submerged fermentation was investigated. It was showed that the maximum yield of EPS (7.54 g/L) was obtained at pH 5.5, but the mycelial growth rate was enhanced at pH 5.0 and the maximum dry cell weight was

为了实现黑木耳深层发酵生产胞外多糖的高产量和高生产强度的统一,在7L发酵罐中研究不同pH对A.auricula分批发酵生产黑木耳多糖的影响。A.auricula细胞生长的最适pH为5.0,而黑木耳胞外多糖合成的最适pH为5.5。

in order to establish a rapid, sensitive and specific detection method for identification of four kinds of food-borne pathogenic bacteria including salmonellla spp, listeria monocytogenes, staphylococcus aureus and bacillus cereus by using multiplex pcr, according to invasion protein a geneof salmonellla spp, transcriptional regulatory protein gene of listeria monocytogenes, autolysin gene ofstaphylococcus aureus and gyrase b subunit gene of bacillus cereus, four pairs of specific primers were designed for multiplex pcr amplification.

小 摘要:为建立一种利用多重pcr技术检测和鉴定沙门氏菌、单核细胞增生李斯特菌、金黄色葡萄球菌和蜡样芽孢杆菌的方法,根据沙门氏菌侵袭力蛋白a基因、单核细胞增生李斯特菌蛋白转录调控基因、金黄色葡萄球菌自溶素基因、蜡样芽孢杆菌的促旋酶b亚单位基因设计引物,进行多重pcr扩增,并对多重pcr反应体系进行优化。

In chapter 1, one type of maximal subgroups in unitary groups over local rings is obtained. Let R be a local ring with a automorphism φ of order 2: a?

在第一章中,得到了局部环上酉群的一类极大子群:设R是一个特征不为2的局部环,φ:a?

The company developed a plunger-type peroxide crosslinked PEX-a pipe production line and auxiliary machinery and equipment surrounding .

公司主要研制开发了柱塞式过氧化物PEX-a交联管材生产线及周边辅助机械设备。

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推荐网络例句

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%。

However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。