查询词典 mass-production

Objective To observe the characteristics of low bone mass in amenorrhea with elevated follicle stimulating hormene.

目的 了解高促卵泡激素卵巢性闭经患者低骨量的特点。

Population variation and differences in serum leptin independent of adiposity: a comparison of Ache Amerindian men of Paraguay and lean American male distance runners - Background: Serum leptin variation is commonly associated with fat percentage, body mass index, and activity.

人口变化和差异瘦素独立肥胖：比较酸痛精益美洲印第安人和巴拉圭男子中长跑男-背景：瘦素变化都与脂肪百分比，身体质量指数、活性。

Poly was synthesized with calcium ammine as catalyst system and hexane as solvent,and the relationship among catalyst amounts,polymerization temperature,polymerization time and moisture of solvent with the yield of PEO and its relative molecular mass were investingated.

阐述了采用氨钙体系催化剂、以正己烷为溶剂的沉淀聚合制备聚氧化乙烯的方法。研究了催化剂用量、反应温度、反应时间及溶剂含水量与PEO收率及其相对分子质量的关系。

The composition of Jupiter is 75% hydrogen and 25% helium by mass, with traces of ammonia, water and methane.

木星的组成是75％，氢和氦25％的质量与氨，水和甲烷的痕迹。

Flow and mass transfer model as well as scale-up of an external-loop ammoniation reactor are studied under commercial condition in this paper.

本文以前期研究 6，7 为基础，研究外环流氨化反应器的数学模型和放大规律，以实现工业化、大型化。

The ammoniation of phosphoric acid is an instantaneous fast gas-liquid reactioncontrolled by gas-film mass transfer.

从节能、降耗、减排的角度出发，有必要开发一种流程短，排污环节少，能耗低的新工艺流程。

The previous research, in which macro-kinetics of ammoniation of phosphoric acid was measured in a double magnetic stirring reactor,found that the reaction between wet phosphoric acid and gaseous ammonia was a rapid reaction controlled by the gas-film mass transfer.

本文采用数学模型法，根据氨化反应过程的机理，通过小试建立数学模型并经合理简化，再通过中试对模型进行修正和完善，最后用工业大装置加以验证，使所得的模型可用于工业放大。

A mass of ammonifiers in water body and sediment can make ammonia accumulate in water body through ammonification .

水体与底泥中大量氨化菌可能通过转氨作用产生的氨氮积累在水体中。

The mass concentrations of sodium hydroxide,cetyltrimethyl ammonium bromide,sodium citrate and glycerin in the aqueous stripper are 90～100 g·L-1,10 g·L-1,10 g·L-1 and 10 g·L-1,respectively.

该脱漆剂以氢氧化钠水溶液为主体系，其中氢氧化钠的质量浓度为90~100 g.L-1，溴化十六烷基三甲基胺的质量浓度为10 g.L-1，柠檬酸钠的质量浓度10 g.L-1，甘油的质量浓度为

To avoid the influence of ammonolysis, alcoholysis and hydrolysis on molecular structure identification, in this paper, derivational estimation is utilized to confirm molecular structures ofβ-naphthol-containing sulfonyl chloride intermediates. Then the structures of corresponding sulfonamide dyes are also confirmed by FTIR,~1H NMR and mass spectrometry.

为了避免磺酰氯化合物发生水解、醇解和胺解等衍生化反应影响磺酰氯化合物分子结构表征，本文采用衍生化反推法证明了β-萘酚结构磺酰氯化合物的分子结构，并利用红外光谱、核磁共振氢谱、质谱表征了含β-萘酚结构磺酰胺染料的分子结构。

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％。