I need to go to the dentist this morning.

1、

What time is it when you have to go to the dentist?

你什么时候必须要去看牙医？

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2、

Hydrogen can cause hydrogen attack to the steel material while CO2 can lead to the corrosion and spitting corrosion of the process equipment.

氢气可以使金属材料产生氢损伤，二氧化碳水溶液可引起设备产生全面腐蚀和点蚀。

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3、

The large welding current caused the formation of quenched martensite and the high residual stresses in the welding zone, resulting in the increase of zinc sensitivity of hydrogen attack.

结果表明：由于焊接电流过大，使焊缝产生淬火马氏体组织及较大的焊接残余应力，导致镀锌氢脆敏感性增加，造成吸油盘发生氢脆开裂。

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4、

The results showed that the reduction of mechanical properties for 20G steel resulted from decreasing of pearlite amount and existing of as caused by hydrogen attack.

并用扫描电镜分析了拉伸断口的特征.结果表明：20G钢力学性能的下降是由于氢蚀造成珠光体的减少和裂纹的出现；

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5、

And the hydrogen attack resistance of Ti-B treated steel is better than that of Al-B treated steel where the B content is equivalent;

当B含量相当时.Ti－B处理钢的抗氢蚀性能优于Al-B处理钢；

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6、

Hydrogen attack inspection on high pressure vessel in service under high temperature, high pressure and hydrogen enviroment

高温、高压、临氢在用压力容器的氢腐蚀检验

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7、

Effect of Hydrogen Attack on Fatigue and Fracture Behaviour of Steels

氢蚀程度对钢疲劳断裂性能的影响

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8、

Burst of steam pipeline caused by hydrogen attack and prevention measures

稠油热采蒸汽输送管的氢蚀爆裂及其预防

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9、

Study of Mechanical Properties and Structures for Pressure Vessel Steels After Hydrogen Attack

压力容器用钢氢蚀后组织与力学性能研究

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10、

Ultrasonic back-scatter detection of hydrogen attack in low carbon steel

20G钢氢腐蚀的超声背散检测

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11、

Corrosion hydrogen attack on austenitic steel 304 under high temperature and high pressure

304奥氏体钢的高温高压氢腐蚀

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12、

Crack Healing of Hydrogen Attack in Carbon Steel by Heat Treatment

热处理作用下碳钢氢腐蚀裂纹愈合规律

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13、

An endophytic fungus resistance to penicillin was isolated from Hyacinthus orientalis by culturing on a preliminary screening medium and it vitro cultured and its anti-microbial activity was detected.

通过用初筛培养基培养，从风信子叶子中分离出一种抗青霉素的内生菌，进行离体培养和抑菌活性检测。

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14、

primroses, anemones; the early tulippa; hyacinthus orientalis; chamairis; fritellaria.

樱草、白头翁、早开的郁金香、荷兰风信子、小鸢尾、贝母。

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15、

Hyacinthus orientalis is a famous bulb plant with high ornamental value, currently cultivated in many parts of China, but the bulbs still import from the Netherlands.

风信子是世界著名球根花卉，观赏价值高，国内目前主要依赖从荷兰进口种球。

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16、

Role of exogenous hormones in inducing cells in different positions of perianth explants to regenerate flower buds in Hyacinthus orientalis

外源激素在诱导风信子花被外植体不同部位细胞再生花芽中的作用

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17、

He was passionately fond of a youth named Hyacinthus.

他十分喜爱一个名叫雅辛托斯的少年。

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18、

Using bioinfomatics to analyze the HPI 1 ( Hyacinthus PI 1) gene and its product protein

用生物信息学软件分析风信子HPI1基因及其产物蛋白

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19、

Cloning and Sequencing Full-length cDNA of DFR Gene in Hyacinthus

风信子DFR基因全长cDNA的克隆及序列分析

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20、

The Exogenous Hormonal Control of the Development of Regenerated Flower Buds in Hyacinthus orientalis

外源激素对风信子再生花芽发育的控制

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