铬的

In the presence of the combination of sulphuric and phosphoric acid, with sodium diphenylamine sulfonate as the indicator, standard solution of potassium dichromate was used to titrate total iron value.

试样以盐酸溶解后，在酸性介质中，先以氯化亚锡将三价铁大部分还原为二价，然后在钨酸钠指示下，再以三氯化钛将剩余的三价铁还原为二价，过量的三氯化钛以重铬酸钾氧化消除干扰，在硫磷混合酸存在下，以二苯胺磺酸钠为指示剂，用重铬酸钾标准溶液滴定全铁量。

The body itself also includes a chrome Corvette grille, a 1953 Corvette-style dash, power door windows and locks, complete custom safety laminate window glasswork, a slew of chrome trim pieces, and a functional tailgate with power window opening.

对该机构本身还包含一个铬克尔维特格栅，一个1953年的Corvette式仪表板，门窗口和电源锁，完全自定义的安全层窗户玻璃，一系列铬装饰件，功能挡板电源窗口开放。

The main products are: all kinds of industrial furnace regenerator with cordierite, mullite, high alumina, corundum honeycomb, and various materials and specifications of the regenerator the ball, and with regenerator tile block; all kinds of industrial furnace series×, corundum brick, clay brick, lightweight insulation materials, heat insulation brick light weight, low-iron mullite brick, silica brick, magnesia brick, aluminum MgO-C Bricks, magnesia-chrome brick, chrome Corundum bricks, a steel trough brick slipway and a variety of refractory materials such as sizing the outlet; all kinds of industrial furnaces with wear-resistant castables, low cement castable high-strength, impermeable material, gravity feed can be plastic, refractory clay, such as amorphous material; a variety of wear-resistant ceramic materials: ceramic lining, grinding balls, ceramic pipes, ceramic cylinder liner, piston, valves and other ceramics.

主要产品有：各种工业炉蓄热室用堇青石质、莫来石质、高铝质、刚玉质蜂窝体以及各种材质和规格的蓄热球，并配有蓄热体挡板砖；各种工业炉用系列高铝砖、刚玉砖、粘土砖、轻质保温材料、轻质隔热砖、低铁莫来石砖、硅砖、镁砖、铝镁碳砖、镁铬砖、铬刚玉砖、出钢槽滑道砖以及各种定径水口等耐火材料；各种工业炉用耐磨浇注料、低水泥高强浇注料、防渗料、自流料、可塑料、耐火泥等不定形材料；各种材质的耐磨陶瓷制品：陶瓷衬板、研磨球、陶瓷管道、陶瓷缸套、柱塞、陶瓷阀门等。

The effect of heat treatment on the properties of high Cr-W cast iron was studied in this paper.

研究了热处理对高铬钨铸铁力学性能的影响，结果表明，高铬钨铸铁经980℃×2h空冷+400℃×2h回火处理可获得较高的力学性能。

The dependence of the effective separation time upon viscosity, magnetic field intensity and flow velocity was examined.

应用高梯度磁分离装置对铬盐浸出浆液中的铬渣进行了实验分离，测量了有效分离时间与流体粘度、磁场强度和流体流速之间的关系。

The feasibility of chromium residue as cement mineralizer was proved theoretically and practically.

研究对比了掺加铬渣前后水泥制品、"三废"排放和装置消耗的各项性能指标，得出了铬渣作水泥矿化剂的最佳掺加量。

By contrast, dexamethasone, a synthetic glucocorticoid, induces a chromaffin cell phenotype characterized by increased cell flattening, loss of neuritic processes, increased chromogranin A and tyrosine hydroxylase proteins, and decreased amounts of secretogranin II and neurofilaments.

作为对照，地塞米松诱导嗜铬细胞表型，具有特征的增加细胞变扁、丧失神经突起，增加嗜铬粒蛋白A和酪氨酸羟化酶蛋白，减少分泌粒蛋白II和神经丝的数量。

The effective separation of potassium chromate and potassium carbonate is of great importance for the regeneration of the Sub-Molten Salt media in the new cleaner production technology of chromate.

铬酸钾－碳酸钾的高效分离是铬盐清洁工艺亚熔盐介质再生的重要环节。

A new cleaner technology for making chromium trioxide and potassium nitrate simultaneously by using nitric acid to decompose potassium dichromate has been brought forward.

提出了硝酸分解重铬酸钾法联产铬酸酐与硝酸钾的清洁工艺，并优选出过程中主要环节的合理操作条件。

The solution of sulfuric acid was added dropwise to the reaction vessel contained 1,3-dichloro-2-propanol, sodium dichromate and water.

将硫酸水溶液滴加到1，3-二氯-2-丙醇与重铬酸钠水溶液的混合物中，在温度23~27℃的条件下搅拌反应5 h，重铬酸钠∶1，3-二氯-2-丙醇=1∶2，此条件下收率为79.6%。

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％。