搬石那位人兄已經夠痛苦，
但最痛苦可能是那沒知覺的石頭。
2018年1月28日星期日
Overestimate my own capability
Samson is not competent enough to be a registered nurse in Hong Kong although he has the licence. He just reaches the basic requirement as a customer service executive in a university bookstore. He is afraid of the accountability of an occupational therapist even though he has not applied the course this year.
為何窗框要選用鋁材
鋁是易起化學反應的，會自然地與水和/或空氣合成為氧化鋁。 氧化鋁Al2O3，會形成穩定的覆蓋層，保護鋁免受腐蝕或進一步氧化。 該層厚約4奈米，只要該氧化層穩定就能提供腐蝕保護。
Aluminum is reactive and will react spontaneously with water and/or air to form aluminum oxide. Aluminum oxide, Al2O3, forms a stable passive layer that protects aluminum from corrosion or further oxidation. This layer is about 4 nm thick and will provide corrosion protection as long as this oxide layer is stable.
corrosionpro.com
Aluminum is reactive and will react spontaneously with water and/or air to form aluminum oxide. Aluminum oxide, Al2O3, forms a stable passive layer that protects aluminum from corrosion or further oxidation. This layer is about 4 nm thick and will provide corrosion protection as long as this oxide layer is stable.
corrosionpro.com
2018年1月25日星期四
2018年1月21日星期日
隱瞞
父母已經將屯門物業出售，收了細訂。
然而，他們沒有將廁所天花鋼筋外露的問題告訴買家。
我們用金屬假天花覆蓋，之前只以透明噴漆遮蓋鋼筋，防止進一步氧化。
當對方驗樓，會否動怒? 不堪設想。
昨晚，買賣雙方在我家簽文件的時候，我只是望著洗手間天花呆想不作聲。
當買家小豆丁望著電視目不轉睛，筆者將視線轉移在小孩身上。
搬家有很多事情需要處理。
臨時租屋還是寄居在一位親戚家中?
因為那位親戚正租住四房單位。
大學筆記可棄置，因為好友當年已給我 soft copy.
大學用書不想倒進堆填區，未看完的小說散文又要找地方放置。
姐姐留在家的雜物是本人的兩倍，今晚要和她斟斟。
迷你倉的費用如何，棄置舊家具要不要找叔仔幫忙?
將來住在哪一區? 樓價會否持續飆升?
賣了屋財政鬆動了，母親大人勸告我再讀書。
去年，報讀理大OT沒面試機會，已有所洩氣。
GPA低的我沒有讀 Master 的條件，還未想好再讀些什麼。
繼續工作是吸收經驗的正途，但我這份工隨時會被AI取代。
都是見一步行一步，其實我只關心阿媽會否情緒波動。
然而，他們沒有將廁所天花鋼筋外露的問題告訴買家。
我們用金屬假天花覆蓋，之前只以透明噴漆遮蓋鋼筋，防止進一步氧化。
當對方驗樓，會否動怒? 不堪設想。
昨晚，買賣雙方在我家簽文件的時候，我只是望著洗手間天花呆想不作聲。
當買家小豆丁望著電視目不轉睛，筆者將視線轉移在小孩身上。
搬家有很多事情需要處理。
臨時租屋還是寄居在一位親戚家中?
因為那位親戚正租住四房單位。
大學筆記可棄置，因為好友當年已給我 soft copy.
大學用書不想倒進堆填區，未看完的小說散文又要找地方放置。
姐姐留在家的雜物是本人的兩倍，今晚要和她斟斟。
迷你倉的費用如何，棄置舊家具要不要找叔仔幫忙?
將來住在哪一區? 樓價會否持續飆升?
賣了屋財政鬆動了，母親大人勸告我再讀書。
去年，報讀理大OT沒面試機會，已有所洩氣。
GPA低的我沒有讀 Master 的條件，還未想好再讀些什麼。
繼續工作是吸收經驗的正途，但我這份工隨時會被AI取代。
都是見一步行一步，其實我只關心阿媽會否情緒波動。
2018年1月20日星期六
sex education
1. Place condom on the head of the erect, hard penis. If uncircumcised, pull back the foreskin first.
2. Pinch air out of the tip of the condom.
3. Unroll condom all the way down the penis.
4. After sex but before pulling out, hold the condom at the base. Then pull out, while holding the condom in place.
cdc.gov
Most men ejaculate within a few minutes of starting to thrust during intercourse.
medlineplus.gov
According to parameters developed by the World Health Organization, the average volume of ejaculate for men is 3.7 ml, or roughly three-quarters of a teaspoonful.
menshealth.com
Low estrogen vaginal dryness is most often caused by a decrease in estrogen levels. Estrogen is a hormone that helps keep the tissues of your vagina lubricated and healthy.
everydayhealth.com
From a functional perspective, this means that the breast doubles as a truly sexual organ. It is not just an exciting visual stimulus for (most) men but also a key source of sexual pleasure for most women.
psychologytoday.com
2. Pinch air out of the tip of the condom.
3. Unroll condom all the way down the penis.
4. After sex but before pulling out, hold the condom at the base. Then pull out, while holding the condom in place.
cdc.gov
Most men ejaculate within a few minutes of starting to thrust during intercourse.
medlineplus.gov
According to parameters developed by the World Health Organization, the average volume of ejaculate for men is 3.7 ml, or roughly three-quarters of a teaspoonful.
menshealth.com
Low estrogen vaginal dryness is most often caused by a decrease in estrogen levels. Estrogen is a hormone that helps keep the tissues of your vagina lubricated and healthy.
everydayhealth.com
From a functional perspective, this means that the breast doubles as a truly sexual organ. It is not just an exciting visual stimulus for (most) men but also a key source of sexual pleasure for most women.
psychologytoday.com
2018年1月18日星期四
pneumococcal vaccines
There are two types of pneumococcal vaccines available in the market, namely a 23-valent pneumococcal polysaccharide vaccine (23vPPV) and pneumococcal conjugate vaccines (PCV). 23vPPV consists of pneumococcal capsular polysaccharides for 23 pneumococci serotypes. PCV consists of pneumococcal capsular polysaccharides conjugated to carrier proteins. In Hong Kong, three types of PCV (PCV7, PCV10 and PCV13) consisting of antigens against seven, ten and thirteen pneumococci serotypes are registered.
http://www.chp.gov.hk/en/features/26868.html#FAQ1
Pneumococcal disease is an infection caused by Streptococcus pneumoniae bacteria, sometimes referred to as pneumococcus. Pneumococcus can cause many types of illnesses, including ear infections and meningitis.
https://www.cdc.gov/pneumococcal/about/index.html
A polysaccharide vaccine, which is made using a piece of the polysaccharide capsule that surrounds pneumococcal bacteria. A conjugate vaccine, which is made by joining a piece of the polysaccharide capsule that surrounds pneumococcal bacteria to a protein carrier.
https://www2a.cdc.gov/nip/isd/ycts/mod1/courses/genrec/10351.asp?seg=H
Serotype is a group of intimately related microorganisms distinguished by a common set of antigens.
https://www.merriam-webster.com/dictionary/serotype
http://www.chp.gov.hk/en/features/26868.html#FAQ1
Pneumococcal disease is an infection caused by Streptococcus pneumoniae bacteria, sometimes referred to as pneumococcus. Pneumococcus can cause many types of illnesses, including ear infections and meningitis.
https://www.cdc.gov/pneumococcal/about/index.html
A polysaccharide vaccine, which is made using a piece of the polysaccharide capsule that surrounds pneumococcal bacteria. A conjugate vaccine, which is made by joining a piece of the polysaccharide capsule that surrounds pneumococcal bacteria to a protein carrier.
https://www2a.cdc.gov/nip/isd/ycts/mod1/courses/genrec/10351.asp?seg=H
Serotype is a group of intimately related microorganisms distinguished by a common set of antigens.
https://www.merriam-webster.com/dictionary/serotype
2018年1月16日星期二
原則
大學書店賣教科書不設退換是公司的規則。
印刷、釘裝有問題當然是例外。
今天，有個外籍人士跟我說買錯筆記本，想換貨。
他還拿著單據跟我理論。
我便將單據第一句條款讀給他聽。
Goods will only be exchanged due to printing, binding and other original defects.
最後，我還說了句 I am sorry.
然後他氣沖沖轉身走，用力將想換的貨品扔在車頭臺。
他理虧，又欠禮貌又欠風度，年輕不是藉口吧。
個人認為，如果隨便給他換文具，那麼對買錯教科書的學生便很不公平。
如果不是店長吩咐或同事答應了客人，我很少替客人換貨。
他的家鄉可能沒有「貨物出門，恕不退換」的文化。
但試想如果您在餅店買了件蛋糕，然後您想換另一款味道，店員會換給您嗎?
道理相信是一樣的。
印刷、釘裝有問題當然是例外。
今天，有個外籍人士跟我說買錯筆記本，想換貨。
他還拿著單據跟我理論。
我便將單據第一句條款讀給他聽。
Goods will only be exchanged due to printing, binding and other original defects.
最後，我還說了句 I am sorry.
然後他氣沖沖轉身走，用力將想換的貨品扔在車頭臺。
他理虧，又欠禮貌又欠風度，年輕不是藉口吧。
個人認為，如果隨便給他換文具，那麼對買錯教科書的學生便很不公平。
如果不是店長吩咐或同事答應了客人，我很少替客人換貨。
他的家鄉可能沒有「貨物出門，恕不退換」的文化。
但試想如果您在餅店買了件蛋糕，然後您想換另一款味道，店員會換給您嗎?
道理相信是一樣的。
2018年1月13日星期六
South Korean Flag
1882年，朝鮮使臣朴泳孝和金玉均即將出使日本，臨行前向清朝政府請求將中國的黃龍旗作為國旗使用，清朝回復稱藩屬國不能用五爪龍旗只能用四爪龍旗。其時奉李鴻章之命出使朝鮮的中國使節馬建忠（中國近代大語言學家，當時和其兄復旦大學創始人馬相伯一起出使朝鮮）建議朝鮮政府採用中國傳統的太極八卦旗作為國旗使用，這個建議得到了朝鮮政府的採納，所以，最早的朝鮮國旗是一面不折不扣的白底黑色圖案的太極八卦旗。後來，一名英國駐朝鮮的使節用西方美學的角度為這面太極八卦旗做了修改，去掉了八卦中的四卦，把剩下的四卦斜向對稱拉伸，使整個國旗圖案呈長方形，把陰陽魚圖案改為紅藍兩色，這樣才有了我們看到的韓國太極旗。
1948年，韓國政府成立時，決定將太極旗作為韓國國旗，並於1949年頒布了製作標準：太極旗橫豎比例為3比2；白底代表神聖的國土；太極圖象徵宇宙天地渾成以及單一民族構成的國家。中間太極的圓代表人民；太極的兩儀為上紅下藍，分別代表"陽"和"陰"。
Source: read01.com
1948年，韓國政府成立時，決定將太極旗作為韓國國旗，並於1949年頒布了製作標準：太極旗橫豎比例為3比2；白底代表神聖的國土；太極圖象徵宇宙天地渾成以及單一民族構成的國家。中間太極的圓代表人民；太極的兩儀為上紅下藍，分別代表"陽"和"陰"。
Source: read01.com
How to eat spaghetti
1. Take the fork in your dominant hand and the spoon in your other.
2. Catch a few strands of spaghetti in your fork.
3. Lift the spaghetti up to separate it from the rest.
4. Press the fork into your spoon.
5. Wind the fork.
6. Eat the bundle of spaghetti.
2. Catch a few strands of spaghetti in your fork.
3. Lift the spaghetti up to separate it from the rest.
4. Press the fork into your spoon.
5. Wind the fork.
6. Eat the bundle of spaghetti.
Source: wikihow.com
2018年1月12日星期五
abortion
小時候，筆者跟父母去東瀛旅遊。
嚮導在旅遊巴上分享他的經歷。
一次，一位年輕旅客玩過山車流產。
他敘述，她曾經多次墮胎。
所以，胎兒才會這樣不穩。
板主認為外地醫藥費不是重點，但依稀記得導遊著墨不少。
不了解她的背景，很難批評她。
旁人，不用指責她。
她的心有多傷，旁人無法理解。
非人工流產才是今天我想討論的主題。
意外流產之苦是常人不可理解之痛苦。
有人說，自然分娩是十級痛楚。
那麼，意外流產或者嬰兒出生時夭折帶來的心傷又如何量化?
心靈上的痛楚相信是長久而不容易消逝的。
小弟對婦產科知識有限，不知道多次意外流產會不會導致不育。
如果會的話，對一個婦人又是何等悲涼。
嚮導在旅遊巴上分享他的經歷。
一次，一位年輕旅客玩過山車流產。
他敘述，她曾經多次墮胎。
所以，胎兒才會這樣不穩。
板主認為外地醫藥費不是重點，但依稀記得導遊著墨不少。
不了解她的背景，很難批評她。
旁人，不用指責她。
她的心有多傷，旁人無法理解。
非人工流產才是今天我想討論的主題。
意外流產之苦是常人不可理解之痛苦。
有人說，自然分娩是十級痛楚。
那麼，意外流產或者嬰兒出生時夭折帶來的心傷又如何量化?
心靈上的痛楚相信是長久而不容易消逝的。
小弟對婦產科知識有限，不知道多次意外流產會不會導致不育。
如果會的話，對一個婦人又是何等悲涼。
2018年1月7日星期日
Light with eyes closed
These strange blobs you see have a name; they’re called “phosphenes,” and researchers believe that actual light may play a role. But not ordinary light — this light comes from inside your eyes. In the same way that fireflies and deep-sea creatures can glow, cells within our eyes emit biophotons, or biologically produced light particles.
Source: scienceline.org
Source: scienceline.org
love with hurt
"The loves that may hurt the least are not the best loves. When we love, we accept the dangers of injury and loss." John Rawls, A Theory of Justice
Referred itch
About one person in four or five is conscious that scratching an irritation may produce an itch elsewhere. The sensation is well localised, comes and goes quickly, and recurs (occurs) when scratching is repeated a short while later. Scratch and referred itch are ipsilateral (belonging to or occurring on the same side of the body); scratching the site of the referred itch does not cause the original spot to itch. Scatching face, palms, or soles does not produce referred itching. Different people stimulated in the same region do not necessarily feel referred itch in the same place. The mechanism of the phenomenon is unknown, though it may be thalamic.
Br Med J 1976; 2 doi: https://doi.org/10.1136/bmj.2.6040.839
Why Do I Sometimes Scratch One Body Part and Feel It on Another?
Lots of people report feeling a sensation from a scratch in places far from where they’re scratching.
English clergyman (牧師)/scientist Stephen Hales first described the phenomenon in the 1730s, referring to it as “instances of the sympathy of the nerves.”
For most people, referred itch is just a weird annoyance. It doesn’t do any damage or have any ill effects, and so it doesn’t get a whole lot of research attention.
One idea is that referred itch is the product of our complex system of nerves being “rather irregularly distributed” throughout the body.
It could also be that the mix up isn’t in the nerves, but the brain.
Source: mentalfloss.com
Br Med J 1976; 2 doi: https://doi.org/10.1136/bmj.2.6040.839
Why Do I Sometimes Scratch One Body Part and Feel It on Another?
Lots of people report feeling a sensation from a scratch in places far from where they’re scratching.
English clergyman (牧師)/scientist Stephen Hales first described the phenomenon in the 1730s, referring to it as “instances of the sympathy of the nerves.”
For most people, referred itch is just a weird annoyance. It doesn’t do any damage or have any ill effects, and so it doesn’t get a whole lot of research attention.
One idea is that referred itch is the product of our complex system of nerves being “rather irregularly distributed” throughout the body.
It could also be that the mix up isn’t in the nerves, but the brain.
Source: mentalfloss.com
2018年1月2日星期二
個人意見
先不論廿三條是否屬於一條惡法，但按現時的政治氣候來看，是大勢所趨，本地立法只是遲早的事情。至於民間反抗力量有多大，會否重演零三年五十萬港人上街，令香港政府卻步，是未知之數。有了法律框架，中央會否以廿三條處理港獨問題，也許是言之過早。先不論筆者是否認同港獨，但實行時一定是會流血收場，相信大多數人都不會願意看到。在此，希望大家先看看廿三條的條文，再深思一下支持或反對的理據。
The Hong Kong Special Administrative Region shall enact laws on its own to prohibit any act of treason, secession, sedition, subversion against the Central People's Government, or theft of state secrets, to prohibit foreign political organizations or bodies from conducting political activities in the Region, and to prohibit political organizations or bodies of the Region from establishing ties with foreign political organizations or bodies.
The Hong Kong Special Administrative Region shall enact laws on its own to prohibit any act of treason, secession, sedition, subversion against the Central People's Government, or theft of state secrets, to prohibit foreign political organizations or bodies from conducting political activities in the Region, and to prohibit political organizations or bodies of the Region from establishing ties with foreign political organizations or bodies.
香港特別行政區應自行立法禁止任何叛國、分裂國家、煽動叛亂、顛覆中央人民政府及竊取國家機密的行為，禁止外國的政治性組織或團體在香港特別行政區進行政治活動，禁止香港特別行政區的政治性組織或團體與外國的政治性組織或團體建立聯繫。
2018年1月1日星期一
甲狀腺機能亢進
Graves’s Disease, the most common type of hyperthyroidism,
results from an excessive output of thyroid hormones caused by abnormal
stimulation of the thyroid gland by circulating immunoglobulins…
Patients with well-developed hyperthyroidism exhibit a characteristic group of signs and symptoms. The presenting symptom is often nervousness. These patients are often emotionally hyperexcitable, irritable, and apprehensive (憂慮的，恐懼的); they cannot sit quietly; they suffer from palpitations; and their pulse is abnormally rapid at rest as well as on exertion. They tolerate heat poorly and perspire (出汗) unusually freely. The skin is flushed continuously, with a characteristic salmon color, and is likely to be warm, soft, and moist…
Patients may exhibit bulging eyes, which produces a startled (吃驚的; 受驚的) facial expression…Other manifestations include an increased appetite and dietary intake, progressive weight loss, abnormal muscular fatigability and weakness, amenorrhea (for female), and changes in bowel function…
Blood pressure is elevated; atrial fibrillation may occur; and cardiac decompensation in the form of heart failure is common, especially elderly patients. Osteoporosis and fracture are also associated with hyperthyroidism…
The thyroid gland invariably is enlarged to some extent…
Appropriate treatment of hyperthyroidism depends on the underlying cause and often consists of a combination of therapies, including anti-thyroid agents, radioactive iodine, and surgery. Treatment of hyperthyroidism is directed toward reducing thyroid hyperactivity to relieve symptoms and preventing complications. Use of radioactive iodine is the most common form of treatment for Graves’ disease. Beta-adrenergic blocking agents (e.g. propranolol) are used as adjunctive (附屬的) therapy for symptomatic relief, particularly in transient thyroiditis. Surgical removal of most of the thyroid gland is a non-pharmacologic alternative…
All three treatments share the same complications: relapse or recurrent hyperthyroidism and permanent hypothyroidism.
Patients with well-developed hyperthyroidism exhibit a characteristic group of signs and symptoms. The presenting symptom is often nervousness. These patients are often emotionally hyperexcitable, irritable, and apprehensive (憂慮的，恐懼的); they cannot sit quietly; they suffer from palpitations; and their pulse is abnormally rapid at rest as well as on exertion. They tolerate heat poorly and perspire (出汗) unusually freely. The skin is flushed continuously, with a characteristic salmon color, and is likely to be warm, soft, and moist…
Patients may exhibit bulging eyes, which produces a startled (吃驚的; 受驚的) facial expression…Other manifestations include an increased appetite and dietary intake, progressive weight loss, abnormal muscular fatigability and weakness, amenorrhea (for female), and changes in bowel function…
Blood pressure is elevated; atrial fibrillation may occur; and cardiac decompensation in the form of heart failure is common, especially elderly patients. Osteoporosis and fracture are also associated with hyperthyroidism…
The thyroid gland invariably is enlarged to some extent…
Appropriate treatment of hyperthyroidism depends on the underlying cause and often consists of a combination of therapies, including anti-thyroid agents, radioactive iodine, and surgery. Treatment of hyperthyroidism is directed toward reducing thyroid hyperactivity to relieve symptoms and preventing complications. Use of radioactive iodine is the most common form of treatment for Graves’ disease. Beta-adrenergic blocking agents (e.g. propranolol) are used as adjunctive (附屬的) therapy for symptomatic relief, particularly in transient thyroiditis. Surgical removal of most of the thyroid gland is a non-pharmacologic alternative…
All three treatments share the same complications: relapse or recurrent hyperthyroidism and permanent hypothyroidism.
Smeltzer, S.C., & Bare, B.G.
(2008). Brunner & Suddarth's Textbook of Medical-Surgical Nursing.
Philadelphia, PA: LWW
Beta-adrenergic blocking agents are a group of synthetic drugs used in the treatment of a wide range of diseases and conditions of the sympathetic nervous system. Stimulation by epinephrine of beta-adrenoreceptors, which are predominately found in cells of the heart and also are present in vascular and other smooth muscles, results in excitation of the sympathetic nervous system. Beta-blockers diminish reaction at the beta-adrenoreceptors, thereby preventing or decreasing excitation. The drugs are prescribed to control anxiety and hypertension and to treat a variety of cardiac conditions.
Modified from https://www.britannica.com/science/beta-blocker
Beta-adrenergic blocking agents are a group of synthetic drugs used in the treatment of a wide range of diseases and conditions of the sympathetic nervous system. Stimulation by epinephrine of beta-adrenoreceptors, which are predominately found in cells of the heart and also are present in vascular and other smooth muscles, results in excitation of the sympathetic nervous system. Beta-blockers diminish reaction at the beta-adrenoreceptors, thereby preventing or decreasing excitation. The drugs are prescribed to control anxiety and hypertension and to treat a variety of cardiac conditions.
Modified from https://www.britannica.com/science/beta-blocker
There are several reasons why the thyroid
gland in a patient could be producing too much thyroid hormone, leading to
thyrotoxicosis. The most common condition to focus on here is called Graves’
disease. In this condition, the thyroid gland is stimulated by antibodies that
activate the receptor for TSH on the follicular cell of the thyroid. Therefore,
these TSH receptor-stimulating antibodies mimic (模仿) the action of TSH, but are distinct from authentic TSH from the
anterior pituitary gland. These thyroid-stimulating immunoglobulins (TSIs) are
characteristic of an autoimmune disorder in which the patient makes antibodies
that bind to one or more proteins expressed in his or her own tissues.
Widmaier, E.P., & Raff, H. (2008). Vander’s Human Physiology: The Mechanisms of
Body Function. New York, NY: McGraw-Hill.
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