查询词典 chemical change

It takes drastic chemical change s to morph a squirmy caterpillar into a beautiful butterfly, and scientists have estimated that this process requires loads of energy to go forward.

美国俄勒冈健康科学大学的科学家们在最新一期《脂肪研究杂志》上发表研究报告指出，一条蠕动的毛毛虫要变成美丽的蝴蝶，需要经过激烈的化学变化。

In an unexposed light-sensitive emulsion or coating, the slow chemical change that occurs when the material is stored in an unlighted area.

中义未曝过光的感光乳剂或涂布在黑暗的环境中会产生缓慢的化学性质改变。

Significant processing steps can include: a phase changes involving either the desired molecule or the solvent, inert carrier or vehicle, e.g., dissolution, crystallization, evaporation, sublimation, distillation or absorption; b a phase separation such as filtration or centrifugation; c any chemical change involving the desired molecule, e.g., removal or addition of water of hydration, acetylization, formation of the salt; d an adjustment of the solution containing the molecule such as adjustment of pH or pO2; e a precision measurement of contained or added BPC components, in-process solutions, recycled materials is performed, i.e., weighing, volumetric measuring, optical rotation, spectrophotometric determinations, etc.; and f changes occur in surface area, particle size, or lot uniformity, e.g., milling, agglomeration, blending.

意义较大的步骤可能会包括：a相变化，包括指定分子或溶剂，惰性载体或溶媒，如溶出作用，结晶，蒸发，升华，蒸馏或吸附；b相分离，如过滤或离心；c涉及指定分子的任一化学变化，如结晶水的除去或添加，乙酰化作用，成盐；d包含分子的溶解的调节，如调节pH或pO2；e 含有或添加原料药组分，过程内溶液，回收物料的精密测量，如，称重，体积测量，旋光度，分光光度测定，等和f 表面，粒度，或批一致性的变化，如磨碎，凝块，混合。

So far as one is concerned.A solid takes part in chemical change in so far as it dissolves or volatilizes.

就这门课程涉及工程学各部门的一般知识而论，它是一门很难的课程。

A solid takes part in chemical change insofar as it dissolve or volatilizes .

固体在溶解或挥发的状态下才能参与化学变化。

Result: Handling with the fresh Herba Andrographis according to current pharmacopeoia's technology, it showed that only dehyandrographolide can be detected. It indicated that the main factor that leads to chemical change is the heating process in the process of production.

结果：穿心莲片按现有的药典工艺生产，穿心莲内酯损失殆尽，只能检测到脱水穿心莲内酯，引致化学变化的主要因素是工艺过程中的加热。

The color of feces and bile of the chemical change is closely related to the color of bile which contains bile pigment type and concentration.

大便的颜色与胆汁的化学变化有着密切的关系，胆汁的颜色与其中所含的胆色素的种类和浓度有关。

As the wrigglers develop, the gelatinous outer membrane decomposes, perhaps triggered by a chemical change in the tadpoles. One by one, they slide off to a life of their own in the water.

受精卵一天天长大，卵胶膜破裂--可能是蝌蚪体内发生了某种化学变化--于是，一只接着一只，它们滑入下方的水中，开始自己的生命周期。

As the wrigglers develop, the gelatinous outer membrane decomposes, perhaps triggered by a chemical change in the tadpoles. One by one, they slide off to a life of their own in the water.

随着这些扭动的小东西慢慢地长大，凝胶状外膜或许受蝌蚪体内某种化学变化的影响而分解开来，它们便一个接一个地滑到水中开始了自己的生活。

As the wrigglers develop, the gelatinous outer membrane decomposes, perhaps triggered by a chemical change in the tadpoles. One by one, they slide off to a life of their own in the water.

随着这些扭动的小东西成长，有可能蝌蚪体中的某种物质引起了化学反应，（包在它们身上的凝胶状外膜破裂，文中未提及）它们一个个地从叶子上滑入水中开使了新生活。

No clear conclusions can be made about the predictie alidity of specific measures, they found, except for criteria for the underuse of drugs for cardioascular disease.

除了心血管病不合理用药标准外，对于特定评价方法的预测效度没有明确的结论。

The third and last is that almost all of them, being infinite in number, have been impostures, and by idle and crafty brains merely contrived and feigned after the event past.

第三、即最后一点是：几乎所有这些不胜枚举的预言都是欺人之谈，都是在事件过后由无聊而狡猾的脑筋推测与凭空捏造的。