Polycrystalline silicon is an aggregation of small silicon crystals.

1、

Transgranular fracture. Fracture of polycrystalline materials by crack propagation through the grains.

多晶材料裂纹穿过晶粒扩展而断裂.

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2、

Intergranular fracture. Fracture of polycrystalline materials by crack propagation along grain boundaries.

多晶材料裂纹沿着晶界扩展而断裂.

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3、

Process of enhancing wear resistance of polycrystalline sintered compact has been studied.

研究了提高多晶烧结体耐磨性的方法.

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4、

Polycyclic aromatic hydrocarbons ( PAHs ) are group of commonly seen environmental pollution, and existed in environment wide-ranging.

多环芳烃是一类常见的环境污染物, 在环境中广泛存在,由于其致癌性和致突变性而受到广泛关注.

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5、

The polycyclic aromatic hydrocarbons ( PAHs ) in soil have serious latent danger to our human health.

土壤中的多环芳烃对人体健康具有潜在的危害.

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6、

On Earth, polycyclic aromatic hydrocarbons are found on burnt toast and in automobile exhaust.

在地球上, 可以在烤土司和汽车尾气中找到多环芳烃.

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7、

Incense in many Chinese homes and polycyclic aromatic hydrocarbons have been recovered from incense smoke.

很多中国人家里点香,香的烟中已经发现有多环芳香族碳氢化合物.

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8、

Polycyclic aromatic hydrocarbons are group of ubiquitous pollutants.

多环芳烃是一类普遍存在的环境污染物.

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9、

Charcoal-grilled foods contain a comparatively higher level of Polycyclic Aromatic Hydrocarbons ( PAHs ) .

碳烧食物所含的多环芳香族碳氢化合物通常相对较高.

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10、

Sometimes the liver ( as seen here ) can be affected as well by polycystic change.

多囊改变有时也可影响肝脏 ( 如图所示 ).

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11、

Numerous cysts appear in this liver from a patient with dominant polycystic kidney disease ( DPKD ).

显性遗传性多囊肾 ( DPKD ) 患者的肝脏中具有大量包囊.

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12、

What causes polycystic ovarian syndrome ( PCOS ) ?

多囊卵巢综合征原因是什么?

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13、

Does polycystic ovarian syndrome happen in adolescents?

青少年会患上多囊卵巢综合征吗 ?

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14、

The role of insulin in the pathogenesis of polycystic ovarian syndrome.

胰岛素与多囊卵巢综合征发病的关系.

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15、

How is polycystic ovarian syndrome diagnosed?

如何诊断多囊卵巢综合症?

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16、

What treatments are available for polycystic ovarian syndrome?

有什么治疗方法可用于多囊卵巢综合征?

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17、

Women with polycystic ovary syndrome who are overweight are at an increased risk of developing diabetes.

伴有多囊性卵巢的肥胖妇女也有罹患糖尿病的可能.

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18、

Objective: To compare effects of Diane 35 and GnRH-a : with Diane 35 alone on patients with polycystic ovary syndrome ( PCOS ).

目的: 为了比较GnRHa 加达因35与单用达因35对治疗多囊卵巢综合征 ( PCOS ) 的疗效.

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19、

Pomegranate: The pomegranate-temperature acid Sweet living body fluid, only the role of polydipsia.

石榴: 石榴性温味甘酸,有生津液、止烦渴作用.

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20、

The generated polymers exhibit good solubility in water, controlled molecular weights and narrow polydispersity.

这类高分子具有良好的水溶性, 展现出分子量高度可控性和窄的分子量分布.

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