英文实验记录

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分析化学实验(英文)

Experiment 1PH standard solution preparation and concentration comparison

A Purpose of the experiment

1.Learning to master the instrument commonly used in titration of washing and proper use.

2.Titration analysis of practice operations through an initial grasp of methyl orange, phenolphthalein indicator end point determination.

3.Grasp the pH standard solution preparation method.

Two Experimental principle

0.1 mol / L HCl solution (strong acid) and0.1 mol / L NaOH solution (alkaline) when each titration, pHsp 7.0, the pH titration jump range of 4.3- 9.7, select the color range in jump indicator ( such as methyl orange, phenolphthalein), can be measured to ensure sufficient accuracy.In the case of the same indicator, a certain concentration of HCl solution and NaOH solution each titration, the ratio of the volume consumed by V HCl / V NaOH should be certain, to, you can test titration technique and the ability to judge the end .

实验记录的重要性以及如何做好实验记录

记录的研究资料要经得起时间的考验。
三、如何做好实验记录
（二）实验记录书写的基本要求
1、实验原始记录须记载于正式实验记录本上，实验记录本应按页码装订；须有连续页码编号，不得缺页或挖补。
2、实验记录本首页一般作为目录页，可在实验开始后陆续填写，或在实验结束时统一填写。
3、每次实验须按年、月、日顺序在实验记录本相关页码右上角或左上角记录实验日期和时间，也可记录实验条件，如天气、温度、湿度等。
对实验记录内容的查找；比如在论文中需要使用的某研究结果上可能仅标有日期，按此日期可以查找到具体实验操作的过程记录；地点的记录可以提示具体操作的工作环境、指导老师等信息。
（2）实验名称——是带有统一实验标号的，能反映出某
次实验活动核心内容的一段文字。——便于以后快速阅读与查找。
三、如何做好实验记录
3、可以提供科研重复的依据：
• 本研究需要的必要重复实验； • 以后类似研究工作中需要的重复实验； • 研究被置疑时的科研重复实验。
二、实验记录的重要性
4、有利于培养严谨的科研思维：
• 一本合格的科研记录，记录着研究者科学研究过程中思考问题的轨迹。有成功的经验、有失败的教训，但无论如何都是属于记录者自己科研成长的宝贵财富。
（三）科研记录的正确书写格式
1、科研记录的组成部分：（1）科研设计方案：
通常放在记录本的最前部。简述整个研究的：研究背景——进展、立题依据；研究目的——希望证明或发现什么？研究方案——通过怎样的过程完成；前期准备情况——标本、试剂、技术方法；标本信息应包括：标本的入选标准、排除标准、入选数量、统一代码与编号等。

实验记录英文写作模板

Sentence Template for Notebook and Report Writing

Pfizer Project Management Team

April 12, 2007

Part 1: 反应前的装置描述

1.1: A 3 L three-necked round bottom flask equipped with mechanical stirrer (or magnetic

stirrer), addition funnel and thermometer (or Dean-Stock; drying tube)

1.2: All flasks used in the reaction were heated under vacuum for 30 minutes and purged with

N2 for 10 minutes. (无水反应装置)

Part 2: 加料

2.1: 不同的顺序和表达

2.1.1: A 3 L three-necked round bottom flask equipped with mechanical stirrer (or magnetic

stirrer), addition funnel and thermometer (or Dean-Stock; drying tube) were charged with A

(10 mL, 1 mole), B (2 g, mole) and C (50 mL),

2.1.1.1: a solution of D (10 g, 1 mole) in E (20 mL) was added dropwise (via addition funnel

含水率、密度实验记录表

含水率、密度实验记录表英文回答：

Water Content and Density Test Record Sheet. Sample Identification:

Sample Number: ____。

Sample Description: ____。

Date: ____。

Water Content Test:

Wet Weight: ____ g.

Dry Weight: ____ g.

Moisture Content: ____ %。

Calculation: (Wet Weight Dry Weight) / Dry Weight 100。

Density Test:

Mass: ____ g.

Volume: ____ cm³。

Density: ____ g/cm³。

Calculation: Mass / Volume.

Observations:

____。

中文回答：

含水率、密度实验记录表。

样品信息：

样品编号，____。

样品描述，____。

日期，____。

含水率测试：

湿重，____ g.

干重，____ g.

含水率，____ %。

计算方法，（湿重干重）/ 干重 100。密度测试：

质量，____ g.

体积，____ cm³。

密度，____ g/cm³。

计算方法，质量 / 体积。

观察结果：

____。

初中英语教研组活动记录教学内容

英语教研组活动记录

实验的英文作文范文

英文：

As a researcher, I have conducted many experiments in

my career. Each experiment is unique, and I have learned many valuable lessons from each one.

One of the most memorable experiments I conducted was testing the effects of caffeine on memory retention. We had two groups of participants, one group was given a

caffeinated beverage and the other group was given a non-caffeinated beverage. We then tested their memory retention by having them recall a list of words. The results showed that the group who drank the caffeinated beverage had a higher memory retention rate than the non-caffeinated group.

Another experiment I conducted was testing the effects

酸奶发酵实验报告过程记录

英文回答：

The experiment I conducted was to observe the process of yogurt fermentation. I followed the steps below:

1. Preparation: I gathered all the necessary materials, including milk, yogurt starter culture, a thermometer, and glass jars.

2. Heating the milk: I poured the milk into a pot and heated it over medium heat until it reached a temperature of 82°C. This step is important to kill any harmful bacteria present in the milk.

3. Cooling the milk: After heating, I let the milk cool down to a temperature of around 43°C. This is the ideal temperature for the yogurt starter culture to work effectively.

4. Adding the starter culture: I added a small amount of yogurt starter culture to the milk and stirred it gently to ensure it is evenly distributed.

描述实验英文作文

英文：

I remember one of the most interesting experiments I participated in during my high school years. It was a science experiment where we had to test the effects of different types of fertilizers on the growth of plants. The purpose of the experiment was to determine which fertilizer would produce the healthiest and fastest-growing plants.

We were divided into groups and each group was given a different type of fertilizer to use on their plants. My group was assigned to use organic fertilizer, while other groups used chemical and natural fertilizers. We planted the same type of seeds in identical pots and began our experiment.

Over the course of several weeks, we carefully monitored the growth of our plants, taking note of their height, the number of leaves, and the overall health of the

实验记录英文写作模板

Sentence Template for Notebook and Report Writing

Pfizer Project Management Team

April 12, 2007

Part 1: 反应前的装置描述

1.1: A 3 L three-necked round bottom flask equipped with mechanical stirrer (or magnetic

stirrer), addition funnel and thermometer (or Dean-Stock; drying tube)

1.2: All flasks used in the reaction were heated under vacuum for 30 minutes and purged with

N2 for 10 minutes. (无水反应装置)

Part 2: 加料

2.1: 不同的顺序和表达

2.1.1: A 3 L three-necked round bottom flask equipped with mechanical stirrer (or magnetic

stirrer), addition funnel and thermometer (or Dean-Stock; drying tube) were charged with A

(10 mL, 1 mole), B (2 g, mole) and C (50 mL),

2.1.1.1: a solution of D (10 g, 1 mole) in E (20 mL) was added dropwise (via addition funnel

实验报告英语作文模板

英文回答：

Introduction。

The purpose of this experiment was to investigate the effect of temperature on the rate of a chemical reaction. The reaction studied was the decomposition of hydrogen peroxide (H2O2) into water (H2O) and oxygen (O2). The hypothesis was that the rate of the reaction would increase as the temperature increased.

Methods。

The experiment was conducted by measuring the volume of oxygen produced over time at different temperatures. The following materials were used:

100 mL of 3% hydrogen peroxide solution。

10 mL of catalase enzyme solution。

250 mL graduated cylinder。

Thermometer。

Stopwatch。

The procedure was as follows:

1. The hydrogen peroxide solution was poured into the graduated cylinder.

化学实验室标准流程SOP记录模板英文版

ENTER TITLE HERE

Standard Operating Procedure

Department:

PI/Manager of Space:

Written By:

Section 1: Overview

Type of SOP: ☐Process ☐Hazardous Material ☐Hazardous Class of Materials ☐Equipment Synopsis:

Section 2: Risk Assessment Summary (Hazards and control measures)

Information obtained from performing a risk assessment should be entered into this section.

Section 6: Additional Information

Training Documentation

Signing this document means that you have read and understand all aspects of this Standard Operating Procedure. The supervisor is the person that acknowledges you took the training and understand the procedure. They can be a

21CFR211中英文对照版(SMART)

PART 211 211部分

- CURRENT GOOD MANUFACTURING PRACTICE FOR

—制剂药品的CGMP

FINISHED PHARMACEUTICALS

Subpart A--General Provisions A.总则

§211.1 - Scope.211∙1范围

§211.3 - Definitions.211∙3定义

Subpart B--Organization and Personnel B．组织与人员

§211.22 - Responsibilities of quality control unit.211∙22质量控制部门的职责

§211.25 - Personnel qualifications.211∙25人员资格

§211.28 - Personnel responsibilities.211∙28人员职责

§211.34 - Consultants.211∙34顾问

Subpart C--Buildings and Facilities C．厂房和设施

§211.42 - Design and construction features.211∙42设计与建造特征

§211.44 - Lighting.211∙44照明

§211.46 - Ventilation, air filtration, air heating and211∙46通风、空气过滤、空气加热与冷却

§211.48 - Plumbing.211∙48管件

§211.50 - Sewage and refuse.211∙50污水和废料

最全有机实验记录英文描述

最全有机实验记录英文描述各种有机实验记录英文描述

一、加料过程常用表述

1. 添加试剂

2. 催化量的

3. 气体保护

4. 通入气体

5. 通过双针头导管加料

6. 通过注射器加料

二、反应过程常用表述

1. 反应检测

2. 放置过夜

3. 甲苯/乙醇带水

4. 氢化反应

5. 分水器

6. 反应放热

7. 微波反应

三、后处理过程常用表述

1. 过滤

2. 淬灭

3. 磨碎

4. 在两相中分开

5. 静止固化

6. 在冻干机冻干

7. 纯化

过柱

制备HPLC纯化

制备TLC纯化

重结晶

8. 调pH

9. 萃取

10. 浓缩

11. 干燥

干燥

真空干燥

四、部分常见反应现象描述

1. 加料放热

2. 反应过程中或者降温有固体析出

3. 加料不溶解

4. 加热溶解

5. 反应变粘稠/变色

五、特殊结果叙述

1. 无进一步处理

2. 统一和其他批次一起后处理

3. 检测条件，不需要后处理

六、一些易错写法

一、加料过程常用表述

1. 添加试剂

To a mixture (suspension / solution / slurry) ofcompound 12 (487 mg, 1 mmol) and o-plenylenediamine (648 mg, 6 mmol) inCH2Cl2(15 mL) being cooled to 0o C was addedthe DCC (226 mg, 1.1 mmol).

Anhydrous lithium iodide (1.38 g, 10.3 mmol) was added the five portions (dropwise/ in one portion / in portions) to a stirred solution of compound 12 (10.93 g, 51.5mmol) in CH2Cl2(120 mL).

英语作文描写物理实验过程

Title: Exploring the Dynamics of a Physics Experiment。

Physics experiments are not just about observing

natural phenomena; they are journeys into the heart of scientific exploration, where hypotheses are tested, theories are confirmed, and knowledge is expanded. In this essay, we embark on a descriptive journey through the process of conducting a physics experiment.

First and foremost, every physics experiment begins with a question or a hypothesis. This initial spark of curiosity drives the entire process and sets the stage for what follows. Whether it's investigating the behavior of light, the principles of motion, or the properties of matter, the question serves as the guiding star throughout the experiment.

GLP(良好实验室规范)

制定GLP的主要目的是严格控制化学品安全性评价试验的各个环节，即严格控制可能影响实验结果准确性的各种主客观因素，降低试验误差，确保实验结果的真实性。
h
2
GLP(良好实验室规范)
GLP始于20世纪70年代。新西兰是第一个建立实验室登记法的国家。
1976年美国食品药品管理局（FDA）制定了仅限于药品的GLP规范草案。
这些严格的规范被逐渐应用到其它相关领域，尤其是食品行业： GAP（Good Agricultural Practice ）:良好农业规范 GMP（Good Manufacturing Practices） :良好操作规范 GLP （Good Laboratory Practice ）:良好实验室规范 GSP（Good Supplying Practice ）：良好经营（供应）规范
实验室人员应穿着牢固的能遮盖手臂、腿、身体和脚的服装，不得穿着露趾鞋和拖鞋。
A clean, fastened cotton laboratory coat will be worn. Laboratory coats will not be worn in refreshment areas or lunch rooms.
不可用移液管直接从瓶中移取溶剂或溶液，应倾倒入容器内移取，剩余溶剂不可倒回贮液瓶，应作废弃物处理。
A spatula or spoon will not be placed directly into the bottle for solids. The required quantity is decanted into another container from which the material will be retrieved. The remaining material will not be returned to stock bottle. It should be treated as waste.

简单的英语实验报告

引言：

在全球化的时代，英语已经成为了一门国际通用语言。掌握好英语对于个人的

发展和国家的竞争力都具有重要意义。因此，学习英语的方法和技巧也备受关注。本实验旨在探讨一种简单有效的英语学习方法，以期提高学习者的语言能力。

实验设计：

本实验采用了随机对照实验的设计，将参与者随机分为实验组和对照组。实验

组的参与者将采用新的学习方法，而对照组的参与者继续使用传统的学习方法。实验的时间跨度为两个月。

实验方法：

实验组的学习方法是通过多媒体学习，结合听说读写的综合训练。参与者每天

花30分钟观看英语视频，然后进行口语练习和阅读训练。对照组的学习方法是传统的课堂教学，每周三次，每次90分钟。

实验结果：

经过两个月的实验，我们进行了语言能力的测试。结果显示，实验组的参与者

在听说读写四个方面的能力都有了显著提高，而对照组的参与者进步较为有限。尤其是在口语表达和阅读理解方面，实验组的参与者表现出更高的水平。

实验分析：

通过对实验结果的分析，我们可以得出一些结论。首先，多媒体学习的方式可

以激发学习者的兴趣，提高学习的积极性。视频的形式可以帮助学习者更好地

理解和记忆英语知识。其次，口语练习和阅读训练的结合可以提高语言的综合运用能力。口语练习可以锻炼学习者的语音和语调，同时提高他们的口语表达能力。阅读训练可以扩大学习者的词汇量，培养他们的阅读理解能力。最后，学习时间的分配也是影响学习效果的关键因素。每天30分钟的学习时间可以保持学习的连贯性，避免学习的压力过大。

实验结论：

综上所述，通过本实验的研究，我们发现采用多媒体学习的方式，结合口语练习和阅读训练，可以有效提高学习者的英语语言能力。这种学习方法可以激发学习者的兴趣，提高学习的积极性，并且可以培养学习者的听说读写四个方面的能力。因此，我们建议学习者在学习英语时可以尝试这种新的学习方法，以获得更好的学习效果。