必需的

Indeed, immediately after the victory, Juve chief Alessio Secco sought out Zalayeta's agent, Paco Casal, to assure him the forward was a required player for the rest of this season.

确实，这场胜利之后，尤文体育经理阿莱西奥·塞科已经联系了萨拉耶塔的经纪人卡萨尔，向他保证在这个特殊的赛季，萨拉耶塔是球队必需的球员。

Fromylsalicylic, the derivative of salicylaldehyde, is an important organic ligand that can be used to synthesize centrosymmetric polynuclear complexes.

牛磺酸是一种含硫氨基酸，它作为一种非蛋白质类氨基酸，是人体必需的重要氨基酸之一，其独特的生理、药理功能，决定了它在医药、食品、化工等方面有着广泛的应用。

The SDS micellar-templated polymerization of aniline is strongly pH-dependent in this case. A wider range at low pH (1.0～4.0) was required to produce the conducting PANI, optimal pH was 3.0 and the transition from emeraldine salt to emeraldine base form of PANI occurred at about pH 10.4 in this anionic micellar system.

结果表明该反应具有明显的pH值依赖性， pH (1.0～4.0)是合成导电聚苯胺所必需的，其最适pH值为3.0，聚苯胺由导电的翠绿亚胺盐转变为本征态发生在pH 10.4。

It is also anti-aging and has significant therapeutic effects on problems such as faucitis, minor hyperthyroidism, chronic inflammation of tonsil etc, It is amazingly helpful in healing sores and pus.

因为南珠通过生物酶作用分解为18种氨基酸和牛磺酸，其中8种是人体必需的，而牛磺酸是人体最理想的镇静剂，另外尚含有多达27种的微量元素及活性钙。

The cold mineral spring is rich in abundant macro-elements such as hydrogen, carbon, phosphor, oxygen and nitrogen, etc., and it abundantly contains 17 microelements such as ferrum, copper, zinc, nickel and silicons, etc. necessary to human body.

冷矿泉富含丰富的宏量元素氢，碳，磷，氧，氮等，富含丰富的铁，铜，锌，镍，硅等到17种人体必需的微量元素。

The cold mineral spring is rich in abundant macro-elements such as hydrogen, carbon, phosphor, oxygen and nitrogen, etc., and it abundantly contains 17 microelements such as ferrum, copper, zinc, nickel and silicons, etc.

冷矿泉富含丰富的宏量元素氢、碳、磷、氧、氮等，富含丰富的铁、铜、锌、镍、硅等到17种人体必需的微量元素。

It can be drawn from our experiment that gracilaria lemaneiformis contains plenty of trace elements which are necessary for human body.

结果表明：龙须菜中含有丰富的人体必需的微量元素，作为食用蔬菜对人体补充微量元素有较高的利用价值。

ConclusionThe contents of trace elements of Hedysarum semenovii Regelet Herd abundant.

结论天山岩黄芪含有丰富的人体必需的微量元素，具有较高的药用价值。

EGFL7 protein is a factor specially secreted by the endothelial cell. It is necessary for formation of vascular lumen, the formation process would be blocked and functions of vascular is incompleted if it is missing.

论文摘要： EGFL7蛋白为一种内皮细胞特异性分泌因子，它是血管管腔形成所必需的因子，它的缺乏将导致管腔形成受阻，从而影响血管功能的完善。

Moreover, because the decompounding to the basement membrane and intramatrical is extremely important to the move of endothelium cell which is essential to the blood vessel forming.

另外，因为对基底膜和基质组织的降解对血管生成所必需的内皮细胞迁移极为重要，所以，认为MMPs是肿瘤血管生成的关键之一。

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％。