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The results indicated that the main composition of the sample is α-AsS, with monoclinic crystal system, and there are some trace elements of Ca, K, Mg, Fe, Al, Pb. The appearance of the sample is block and pillar. when heated to about 273.2℃,α-AsS is translated to β-AsS, the melting point is about 304.4℃, and at about 355.5℃, the sample starts losing weight and decomposing.

结果表明：该雄黄标本主要物相为α雄黄，单斜晶系，含有少量α石英(α-SiO2)和雌黄(As2S3)，及微量Ca、K、Mg、Fe、Al、Pb等元素，表面自然结构为柱状或块状，273.2℃时发生AsS由α型转变为β型的相变，304.4℃时为AsS的熔点，355.5℃时失重分解。

The results show that the reason of pockmarks is significantly related to nonmetallic inclusions of Si,Al and Ca.

结果表明，其产生的原因与Si、Al、Ca形成的脆性夹杂物有关，在金属塑性变形及冷、热加工过程中，由于受到拉应力作用，脆性夹杂物碎裂后脱落而造成。

I tacked it in with thin CA and backed it up inside the hull with plumbers epoxy.

i tacked它在与薄CA和后盾，它内部的船体与水电工环氧。

It demonstrates the existence of two type distorted MnO〓 octahedra in the Ca-deficient system that the infrared transmission spectra show two stretching phonon modes of MnO〓 octahedra and the second resistivity peak nearly does not change under magnetic field.

根据以上实验结果，我们提出在缺钙稀土锰氧化物体系中存在两类不同的畸变MnO〓八面体：一类是Mn〓离子的JT效应导致的MnO〓八面体畸变；另一类是Ca位空穴引起的MnO〓八面体悬挂顶点氧导致的MnO〓八面体畸变。

Although K and Ca did not have significant effects on turf growth and quality in winter, they could keep leaf green, implying that these nutrients could increase turfgrass's cold tolerance to some extent.

虽然K、Ca对冬季草坪草的生长与草坪质量未产生显著影响，但能有效保持叶片绿色，似对增加草坪草的耐寒性有一定作用。

Based on the investigation of a large amount of the related academic literatures at home and abroad, a series of new heat-resistant magnesium alloys have been investigated based on AE41 alloy by Ca and Si alloying as well as substituting LPC mixed rare-earth metal for Di mixed rare-earth metal in this paper.

在阅读分析国内外相关技术文献的基础上，本文以AE41合金为基础，通过Ca、Si元素的微合金化以及用无钕的LPC稀土替代稀土Di，以获得常温力学性能相当于和150℃～175℃耐热性能优于AE42的廉价镁合金。

The effect of addition rare-earth metal,Ca and Mg elements on the microstructure,toughness of and the formation of intragranular acicular ferrite in hot affect zone of large heat-input welded low alloy non quenched-tempered steel plate was investigated.

研究了低合金高强度非调质中厚板钢中添加稀土和Ca、Mg微量元素对大线高能焊接热影响区显微组织微细化和晶内针状铁素体形成的影响。

The osmoregulation of Aloe vera seedlings was stronger under water stress than under iso-osmotic NaCl treatment, the main osmoregulatory substances of Aloe vera seedlings were soluble sugars, organic acids, K〓, Ca〓 and Cl〓, strong osmotic osmoregulation of Aloe vera under water stress was mainly caused by accumulation of organic solutes.

水分胁迫下芦荟幼苗的渗透调节能力高于等渗盐分胁迫，主要渗透调节物质可溶性糖、有机酸、K〓、Ca〓和Cl〓，有机溶质含量高是水分胁迫下渗透调节能力较强的主要因素。

The CA certificate tells users whether they can trust the Web server certificate when it's presented to the browser.

CA证书告诉用户，当Web服务器证书出示给浏览器时，他们是否能信任它。

Inflorescences centrifugal (uppermost flower or flower closest to axis opening first), usually clearly cymose, sometimes grouped into elongated thyrses or reduced to axillary flowers or clusters of flowers; stigma lobes usually linear to tongue-shaped ca

花序离心的(最上部的花或花最接近于轴开阔的的1)，柱头裂片通常线形在舌形ca

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。