查询词典 a trace

Attempts have also been made to trace a connection between the angels of the Bible and the "great archangels" or "Amesha-Spentas" of the Zend-Avesta.

尝试也取得了追查之间的联系天使圣经和"伟大的天使"或" Amesha - Spentas "的Zend公司，阿维斯塔。

Zinc is essential trace elements, which with a child's growth and development are closely related.

锌是人体必需的微量元素，它与儿童的生长发育有着密切的关系。

Yuanjiang is now stored in a large number of samples has fully proved that the extent of natural aging, in Yuanjiang tea depositors year, more than in Kunming keep two or three years, and no trace of wet Wharf flavor, cooked to do on the new tea, late alcoholization especially good, six months after the heap smell and bitter taste disappeared, alcohols increase significantly.

现在元江存放的大量样品充分证明，就自然陈化程度而言，在元江存一年的茶，超过在昆明存两、三年，而且没有一丝湿仓味，对新做的熟茶，后期醇化尤其好，半年后堆味和苦涩味基本消失，醇和度增加明显。

Steven Jones, a PhD physicist formerly of Brigham Young University, says of the 史蒂文琼斯,博士学位的物理学家,以前的杨百翰大学,说的 composition 组成:: [8][ 8 ]Given the mix of trace metals present in anomalously high concentrations in the WTC dust such as zinc, copper and manganese and barium, the formation of iron-aluminum-rich spherules, I have argued that significant aluminothermic reactions occurred, with likely ingredients to include powders of aluminum, iron oxide, copper oxide, zinc nitrate, sulfur, and potassium permanganate.

由于组合的微量金属元素，目前在异常高浓度在世贸中心灰尘如锌，铜，锰，钡，可以形成铁富铝球粒的，我认为，重要的铝热反应的发生，可能与成分，包括粉末铝，氧化铁，氧化铜，硝酸锌，硫，和高锰酸钾。

Fluorometric Determination of Trace Copper with A New Fluorescent Reagent 5-(4-Fluorophenylazo)-8-Salicylidene Aminoquinoline.

新型荧光试剂 5-(4-氯苯偶氮)-8-水杨醛缩氨基喹啉的合成及荧光性质。安徽师范大学学报， 2001，24(4)，353-355

A new catalytic spectrophotometric method for the determinati-on of trace copper is described. This method is based on the oxidation of Phloxine by hydrogen peroxide in ammoniacal medium, catalyzed by copp-er.

本文提出了催化光度法测定痕量铜的新方法，此法是基于萤光桃红在氨性介质中被H_2O_2氧化的反应受到痕量Cu的催化。

Experimental conditions that a great deal of copper matrices were separated as well as trace Se and Te were concentrated in ammoniacal solutions by co-precipitation separation were studied.

研究了采用共沉淀分离手段在氨性条件下分离大量铜基体并富集痕量硒、碲杂质的实验条件。

This paper analyzed the nutrient content of Andrias davidianus, including protein, fat, calcium and phosphorus; compared the nutrient content of 17 amino acids in protein and the main trace elements in muscle of Andrias davidianus with other high-quality aquatic products (fish, shellfish, shrimp, turtle class, frogs, and snakes); and concluded that Andrias davidianus is a new kind of aquaculture with high nutritional value and significant economic benefits.

张红星1，王启军1，赵虎3，张驰2（1陕西省动物研究所，西安，710032；2 汉中天成生物工程有限公司陕西汉中，723200；3河北农业大学动物科技学院，河北保定 071001）摘要：本文分析了大鲵常规营养成分(蛋白质、脂肪、水分、灰分、钙和磷)的含量，同时对其蛋白质的17种氨基酸和肌肉中的主要微量元素铁、铜、锰、锌进行了与其它优质水产品：鱼类，贝类，虾类，龟、鳖类，蛙、蛇类的营养成分的比较，表明大鲵是一种营养价值极高的经济效益显著的水产养殖新品系。

It is shown that the symmetric arcuate tooth trace cylindrical gear is a type of highly durable and heavy-load gear.

对称弧线圆柱齿轮作为一种高性能重载齿轮，适用于石油、矿山等重型机械，也能够满足各种机械对齿轮高精度、低噪音以及结构紧凑的要求。

Positron emission tomography is a kind of atraumatic technology which can detect in vitro the metabolic trace of emitted element in human body and can perform 3D imagings.

正电子发射断层成像技术是一种利用向生物体内部注入正电子同位素标记的化合物而在体外测量它们的空间分布和时间特性的三维成像无创检测技术。

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％。