查询词典 precipitate

The changes in Ca(superscript 2+) localization in the leaf cells of Garyota urens L. under chilling stress were investigated with calcium antimonate precipitate-electromicroscopic-cytochemical methods.

用焦锑酸钙沉淀的电镜细胞化学方法，研究了低温胁迫下董棕Garyota urens L。

Using modified apple fruit RNA extraction method based on CTAB by adding a step of using KAc and absolute ethanol to precipitate pectin, high-quality total RNA was extracted from the leaf and the inflorescence of jackfruit (Artocarpus heterophyllus Lam.). The yields of total RNA were 74.7 μg/g FW for the leaf and 31.6 μg/g FW for the inflorescence.

以菠萝蜜的叶片和花序为材料，采用改良的十六烷基三甲基溴化胺法（在原来的提取方法基础上，使用乙酸钾和无水乙醇预先沉淀果胶），成功提取菠萝蜜叶和花序的总RNA，平均产率分别为74.7μg/gFW和31.6μg/gFW。

This paper discusses the main reasons why jadeite jade culture was developed in a short time during the middle-late Qing dynasty. It concludes that three main reasons precipitate the rising of jadeite jade culture; the influence of folk customs of the Manchu ethnic group, the power structure of royal estate, and development of aulic culture; the change of social values influenced by Western culture and the commercial development of the Qing dynasty.

文章讨论了导致翡翠玉文化在我国清代中晚期形成的主要原因，认为满族民俗的影响，皇室权力结构改变及宫廷文化的推动；西方文化传入导致的价值观念转变；清代商业经济发展等要素是导致翡翠玉文化能在较短时间内得以与和田玉文化并驾齐驱的主要原因。

It was put forward that there were two species of Cu〓 on the surface of brucite. One was adsorbed on the surface of brucite forming a model of S —O—Cu—OH; another was the bulk precipitate of 〓.

提出Cu〓在水镁石表面有两种存在形态，一种以Cu〓的形式吸附在水镁石表面，形成S—O—Cu—OH的结构；另一种为〓体相沉淀。

Under the alkalescence condition, because of hydrogen key of formation, cause capillaceous gather B two Chuns occurrence stereoscopic twist knot, thus creation precipitate.

在碱性条件下，由于氢键的形成，导致线状的聚乙二醇发生立体扭结，从而产生沉淀。

Ce(NO3)3 serves as capturer. Substrate is catalysed by immobilized oxidase on the electrode to produceH2O2 and the H2O2 is captured by Ce(NO3)3 to form precipitate.

利用酶组织化学中酶的定位原理，结合X-射线能谱分析手段，建立了对酶电极上酶活的微区分析方法。

The effects of deformation temperature and strain on static recrystallization and carbonitride precipitate of HQ685 steel were investigated by two pass compression tests.

2利用单道次压缩变形，研究了变形温度、变形速率、变形程度对HQ685钢高温动态再结晶的影响，建立了HQ685钢的高温变形数学模型。

When ceric iodate is precipitated from acid solution by the addition of asoluble iodate,a gelatinous precipitate is obtained,which is difficult to filterand wash.

在均匀溶液中沉淀的碘酸铈，性质紧密，便利于过滤和洗涤。

The preparation process includes the following steps: mixing 10 mM concentration water solution of chloropalladic acid and 12.5-25 mM concentration water solution of ammonium hexadecyl trimethyl bride in the volume ratio of 1 to 20, heating to 65-95 deg.c, adding 100 mM concentration water solution of ascorbic acid in the volume ratio to the water solution of chloropalladic acid of 0.16 to 1 to react for 30 min, centrifugal separation to collect precipitate, water washing, and drying to obtain cuboidal nanometer Pd material.

该钯纳米长方体材料的制备方法的步骤和条件法如下：把体积比为1∶20的10mM氯钯酸水溶液和12.5-25mM十六烷基三甲基溴化铵水溶液混合，加热至65-95℃，然后加入与10mM氯钯酸水溶液的体积比为0.16∶1的100mM抗坏血酸水溶液，反应30分钟，将溶液离心分离，收集到的沉淀用水洗涤，干燥，得到钯纳米长方体。

According to the existing hours of this lesson, we mainly explain rudimentary knowledge relevant to inorganic chemistry, including colligative property of diluted solution and four balances (Acid-base equilibrium, precipitate-dissolve equilibrium, oxidize-reduce equilibrium and coordinate equilibrium) and two structures (atomic structure, molecular structure ).

从而为后续分析化学，有机化学，物理化学及相关专业课程的学习打下必要的基础。因此，根据现有的实际课时数，主要讲解有关的基础知识。包括稀溶液依数性和四大平衡(酸碱平衡，沉淀-溶解平衡，氧化-还原平衡，配位平衡)，二大结构。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。